# Extended Display Identification Data

Extended Display Identification Data (EDID) and Enhanced EDID (E-EDID) are metadata formats for display devices to describe their capabilities to a video source (e.g., graphics card or set-top box). The data format is defined by a standard published by the Video Electronics Standards Association (VESA).
The EDID data structure includes manufacturer name and serial number, product type, phosphor or filter type (as chromaticity data), timings supported by the display, display size, luminance data and (for digital displays only) pixel mapping data.
DisplayID is a VESA standard targeted to replace EDID and E-EDID extensions with a uniform format suited for both PC monitor and consumer electronics devices.

## Background

EDID structure (base block) versions range from v1.0 to v1.4; all these define upwards-compatible 128-byte structures. Version 2.0 defined a new 256-byte structure but it has been deprecated and replaced by E-EDID which supports multiple extension blocks. HDMI versions 1.0–1.3c use E-EDID v1.3.
Before Display Data Channel (DDC) and EDID were defined, there was no standard way for a graphics card to know what kind of display device it was connected to. Some VGA connectors in personal computers provided a basic form of identification by connecting one, two or three pins to ground, but this coding was not standardized.
This problem is solved by EDID and DDC, as it enables the display to send information to the graphics card it is connected to. The transmission of EDID information usually uses the Display Data Channel protocol, specifically DDC2B, which is based on I²C-bus (DDC1 used a different serial format which never gained popularity). The data is transmitted via the cable connecting the display and the graphics card; VGA, DVI, DisplayPort and HDMI are supported.
The EDID is often stored in the monitor in the firmware chip called serial EEPROM (electrically erasable programmable read-only memory) and is accessible via the I²C-bus at address 0x50. The EDID PROM can often be read by the host PC even if the display itself is turned off.
Many software packages can read and display the EDID information, such as read-edid for Linux and DOS, PowerStrip for Microsoft Windows and the X.Org Server for Linux and BSD unix. Mac OS X natively reads EDID information and programs such as SwitchResX or DisplayConfigX can display the information as well as use it to define custom resolutions.
E-EDID was introduced at the same time as E-DDC, which supports multiple extensions blocks and deprecated EDID version 2.0 structure (it can be incorporated in E-EDID as an optional extension block). Data fields for preferred timing, range limits, and monitor name are required in E-EDID. E-EDID also adds support for the Dual GTF curve concept and partially changed the encoding of aspect ratio within the standard timings.
With the use of extensions, E-EDID structure can be extended up to 32 KiB, because the E-DDC added the capability to address multiple (up to 128) 256 byte segments.

### EDID Extensions assigned by VESA

* Timing Extension (00)
* Additional Timing Data Block (CTA EDID Timing Extension) (02)
* Video Timing Block Extension (VTB-EXT) (10)
* EDID 2.0 Extension (20)
* Display Information Extension (DI-EXT) (40)
* Localized String Extension (LS-EXT) (50)
* Microdisplay Interface Extension (MI-EXT) (60)
* Display ID Extension (70)
* Display Transfer Characteristics Data Block (DTCDB) (A7, AF, BF)
* Block Map (F0)
* Display Device Data Block (DDDB) (FF): contains information such as subpixel layout
* Extension defined by monitor manufacturer (FF): According to LS-EXT, actual contents varies from manufacturer. However, the value is later used by DDDB.

## Revision history

* August 1994, DDC standard version 1 – introduce EDID v1.0.
* April 1996, EDID standard version 2 – introduce EDID v1.1.
* November 1997, EDID standard version 3 – introduce EDID v1.2 and EDID v2.0.
* September 1999, E-EDID Standard Release A – introduce EDID v1.3 and E-EDID v1.0, which supports multiple extensions blocks.
* February 2000, E-EDID Standard Release A - introduce E-EDID v1.3 (used in HDMI), based on EDID v1.3. EDID v2.0 deprecated.
* September 2006, E-EDID Standard Release A – introduce E-EDID v1.4, based on EDID v1.4.

## Limitations

Some graphics card drivers have historically coped poorly with the EDID, using only its standard timing descriptors rather than its Detailed Timing Descriptors (DTDs). Even in cases where the DTDs were read, the drivers are/were still often limited by the standard timing descriptor limitation that the horizontal/vertical resolutions must be evenly divisible by 8. This means that many graphics cards cannot express the native resolutions of the most common widescreen flat-panel displays and liquid-crystal display TVs. The number of vertical pixels is calculated from the horizontal resolution and the selected aspect ratio. To be fully expressible, the size of widescreen display must thus be a multiple of 16×9 pixels. For 1366×768 pixel Wide XGA panels the nearest resolution expressible in the EDID standard timing descriptor syntax is 1360×765 pixels, typically leading to 3-pixel-thin black bars. Specifying 1368 pixels as the screen width would yield an unnatural screen height of 769.5 pixels.
Many Wide XGA panels do not advertise their native resolution in the standard timing descriptors, instead offering only a resolution of 1280×768. Some panels advertise a resolution only slightly smaller than the native, such as 1360×765. For these panels to be able to show a pixel perfect image, the EDID data must be ignored by the display driver or the driver must correctly interpret the DTD and be able to resolve resolutions whose size is not divisible by 8. Special programs are available to override the standard timing descriptors from EDID data. Even this is not always possible, as some vendors' graphics drivers (notably those of Intel) require specific registry hacks to implement custom resolutions, which can make it very difficult to use the screen's native resolution.

## EDID 1.4 data format
### Structure, version 1.4

EDID structure, version 1.4 :
| Bytes | Description | Description |
| 0–19 | Header information | Header information |
| 0–7 | Fixed header pattern: 00 FF FF FF FF FF FF 00 | Fixed header pattern: 00 FF FF FF FF FF FF 00 |
| 8–9 | Manufacturer ID. This is a legacy Plug and Play ID assigned by UEFI forum, which is a big-endian 16-bit value made up of three 5-bit letters: 00001, A; 00010, B; ...; 11010, Z. E.g.: 24 4d, 0 01001 00010 01101, "IBM"; "PHL" (Philips). | Manufacturer ID. This is a legacy Plug and Play ID assigned by UEFI forum, which is a big-endian 16-bit value made up of three 5-bit letters: 00001, A; 00010, B; ...; 11010, Z. E.g.: 24 4d, 0 01001 00010 01101, "IBM"; "PHL" (Philips). |
| 8–9 | Bit 15 | 0 = reserved |
| 8–9 | Bits 14–10 | First letter of manufacturer ID (byte 8, bits 6–2) |
| 8–9 | Bits 9–5 | Second letter of manufacturer ID (byte 8, bit 1 through byte 9 bit 5) |
| 8–9 | Bits 4–0 | Third letter of manufacturer ID (byte 9 bits 4–0) |
| 10–11 | Manufacturer product code. 16-bit hex number, little-endian. For Example, "PHL" + "C0CF". | Manufacturer product code. 16-bit hex number, little-endian. For Example, "PHL" + "C0CF". |
| 12–15 | Serial number. 32 bits, little-endian. | Serial number. 32 bits, little-endian. |
| 16 | Week of manufacture; or FF model year flag. Week numbering is not consistent between manufacturers. | Week of manufacture; or FF model year flag. Week numbering is not consistent between manufacturers. |
| 17 | Year of manufacture, or year of model, if model year flag is set. Year = datavalue + 1990. | Year of manufacture, or year of model, if model year flag is set. Year = datavalue + 1990. |
| 18 | EDID version, usually 01 (for 1.3 and 1.4) | EDID version, usually 01 (for 1.3 and 1.4) |
| 19 | EDID revision, usually 03 (for 1.3) or 04 (for 1.4) | EDID revision, usually 03 (for 1.3) or 04 (for 1.4) |
| 20–24 | Basic display parameters | Basic display parameters |
| 20 | Video input parameters bitmap | Video input parameters bitmap |
| 20 | Bit 7 = 1 | Digital input. If set, the following bit definitions apply: |
| 20 | Bits 6–4 | Bit depth: 000 = undefined 001 = 6 010 = 8 011 = 10 100 = 12 101 = 14 110 = 16 bits per color 111 = reserved |
| 20 | Bits 3–0 | Video interface: 0000 = undefined 0001 = DVI 0010 = HDMIa 0011 = HDMIb 0100 = MDDI 0101 = DisplayPort |
| 20 | Bit 7 = 0 | Analog input. If clear, the following bit definitions apply: |
| 20 | Bits 6–5 | Video white and sync levels, relative to blank: 00 = +0.7/−0.3 V 01 = +0.714/−0.286 V 10 = +1.0/−0.4 V 11 = +0.7/0 V (EVC) |
| 20 | Bit 4 | Blank-to-black setup (pedestal) expected |
| 20 | Bit 3 | Separate sync supported |
| 20 | Bit 2 | Composite sync (on HSync) supported |
| 20 | Bit 1 | Sync on green supported |
| 20 | Bit 0 | VSync pulse must be serrated when composite or sync-on-green is used. |
| 21 | Horizontal screen size, in centimetres (range 1–255). If vertical screen size is 0, landscape aspect ratio (range 1.00–3.54), datavalue = (AR×100) − 99 (example: 16:9, 79; 4:3, 34.) | Horizontal screen size, in centimetres (range 1–255). If vertical screen size is 0, landscape aspect ratio (range 1.00–3.54), datavalue = (AR×100) − 99 (example: 16:9, 79; 4:3, 34.) |
| 22 | Vertical screen size, in centimetres. If horizontal screen size is 0, portrait aspect ratio (range 0.28–0.99), datavalue = (100/AR) − 99 (example: 9:16, 79; 3:4, 34.) If both bytes are 0, screen size and aspect ratio are undefined (e.g. projector) | Vertical screen size, in centimetres. If horizontal screen size is 0, portrait aspect ratio (range 0.28–0.99), datavalue = (100/AR) − 99 (example: 9:16, 79; 3:4, 34.) If both bytes are 0, screen size and aspect ratio are undefined (e.g. projector) |
| 23 | Display gamma, factory default (range 1.00–3.54), datavalue = (gamma×100) − 100 = (gamma − 1)×100. If 255, gamma is defined by DI-EXT block. | Display gamma, factory default (range 1.00–3.54), datavalue = (gamma×100) − 100 = (gamma − 1)×100. If 255, gamma is defined by DI-EXT block. |
| 24 | Supported features bitmap | Supported features bitmap |
| 24 | Bit 7 | DPMS standby supported |
| 24 | Bit 6 | DPMS suspend supported |
| 24 | Bit 5 | DPMS active-off supported |
| 24 | Bits 4–3 | Display type (digital): 00 = RGB 4:4:4 01 = RGB 4:4:4 + YCrCb 4:4:4 10 = RGB 4:4:4 + YCrCb 4:2:2 11 = RGB 4:4:4 + YCrCb 4:4:4 + YCrCb 4:2:2 |
| 24 | Bits 4–3 | Display type (analog): 00 = monochrome or grayscale 01 = RGB color 10 = non-RGB color 11 = undefined |
| 24 | Bit 2 | Standard sRGB colour space. Bytes 25–34 must contain sRGB standard values. |
| 24 | Bit 1 | Preferred timing mode specified in descriptor block 1. For EDID 1.3+ the preferred timing mode is always in the first Detailed Timing Descriptor. In that case, this bit specifies whether the preferred timing mode includes native pixel format and refresh rate. |
| 24 | Bit 0 | Continuous timings with GTF or CVT |
| 25–34 | Chromaticity coordinates. 10-bit 2° CIE 1931 xy coordinates for red, green, blue, and white point | Chromaticity coordinates. 10-bit 2° CIE 1931 xy coordinates for red, green, blue, and white point |
| 25 | Red and green least-significant bits (2$^{−9}$, 2$^{−10}$) | Red and green least-significant bits (2$^{−9}$, 2$^{−10}$) |
| 25 | Bits 7–6 | Red x value least-significant 2 bits |
| 25 | Bits 5–4 | Red y value least-significant 2 bits |
| 25 | Bits 3–2 | Green x value least-significant 2 bits |
| 25 | Bits 1–0 | Green y value least-significant 2 bits |
| 26 | Blue and white least-significant 2 bits | Blue and white least-significant 2 bits |
| 27 | Red x value most significant 8 bits (2$^{−1}$, ..., 2$^{−8}$). 0–255 encodes fractional 0–0.996 (255/256); 0–0.999 (1023/1024) with lsbits | Red x value most significant 8 bits (2$^{−1}$, ..., 2$^{−8}$). 0–255 encodes fractional 0–0.996 (255/256); 0–0.999 (1023/1024) with lsbits |
| 28 | Red y value most significant 8 bits | Red y value most significant 8 bits |
| 29–30 | Green x and y value most significant 8 bits | Green x and y value most significant 8 bits |
| 31–32 | Blue x and y value most significant 8 bits | Blue x and y value most significant 8 bits |
| 33–34 | Default white point x and y value most significant 8 bits | Default white point x and y value most significant 8 bits |
| 35–37 | Established timing bitmap. Supported bitmap for (formerly) very common timing modes. | Established timing bitmap. Supported bitmap for (formerly) very common timing modes. |
| 35 | Bit 7 | 720×400 @ 70 Hz (VGA) |
| 35 | Bit 6 | 720×400 @ 88 Hz (XGA) |
| 35 | Bit 5 | 640×480 @ 60 Hz (VGA) |
| 35 | Bit 4 | 640×480 @ 67 Hz (Apple Macintosh II) |
| 35 | Bit 3 | 640×480 @ 72 Hz |
| 35 | Bit 2 | 640×480 @ 75 Hz |
| 35 | Bit 1 | 800×600 @ 56 Hz |
| 35 | Bit 0 | 800×600 @ 60 Hz |
| 36 | Bit 7 | 800×600 @ 72 Hz |
| 36 | Bit 6 | 800×600 @ 75 Hz |
| 36 | Bit 5 | 832×624 @ 75 Hz (Apple Macintosh II) |
| 36 | Bit 4 | 1024×768 @ 87 Hz, interlaced (1024×768i) |
| 36 | Bit 3 | 1024×768 @ 60 Hz |
| 36 | Bit 2 | 1024×768 @ 70 Hz |
| 36 | Bit 1 | 1024×768 @ 75 Hz |
| 36 | Bit 0 | 1280×1024 @ 75 Hz |
| 37 | Bit 7 | 1152x870 @ 75 Hz (Apple Macintosh II) |
| 37 | Bits 6–0 | Other manufacturer-specific display modes |
| 38–53 | Standard timing information. Up to 8 2-byte fields describing standard display modes. Unused fields are filled with 01 01 hex. The following definitions apply in each record: | Standard timing information. Up to 8 2-byte fields describing standard display modes. Unused fields are filled with 01 01 hex. The following definitions apply in each record: |
| 38 | Standard timing 1: X resolution, 00 = reserved; otherwise, (datavalue + 31) × 8 (256–2288 pixels). | Standard timing 1: X resolution, 00 = reserved; otherwise, (datavalue + 31) × 8 (256–2288 pixels). |
| 39 | Bits 7–6 | Standard timing 1: Image aspect ratio: 00 = 16:10 01 = 4:3 10 = 5:4 11 = 16:9 (Versions prior to 1.3 defined 00 as 1:1.) |
| 39 | Bits 5–0 | Vertical frequency, datavalue + 60 (60–123 Hz) |
| 40-41 | Standard timing 2 |
| 42-43 | Standard timing 3 |
| 44-45 | Standard timing 4 |
| 46-47 | Standard timing 5 |
| 48-49 | Standard timing 6 |
| 50-51 | Standard timing 7 |
| 52-53 | Standard timing 8 |
| 54–125 | Display timing descriptor followed by display/monitor descriptors | Display timing descriptor followed by display/monitor descriptors |
| 54–71 | Preferred timing descriptor | 18 byte detailed timing descriptors or display descriptors |
| 72–89 | Descriptor 2 | 18 byte detailed timing descriptors or display descriptors |
| 90–107 | Descriptor 3 | 18 byte detailed timing descriptors or display descriptors |
| 108–125 | Descriptor 4 | 18 byte detailed timing descriptors or display descriptors |
| 126-127 | Extension flag and checksum | Extension flag and checksum |
| 126 | Number of extensions to follow. 0 if no extensions. | Number of extensions to follow. 0 if no extensions. |
| 127 | Checksum. Sum of all 128 bytes should equal 0 (mod 256). | Checksum. Sum of all 128 bytes should equal 0 (mod 256). |

### Detailed Timing Descriptor

EDID Detailed Timing Descriptor :
| Bytes | Description | Description |
| 0–1 | Pixel clock. 00 = reserved; otherwise in 10 kHz units (0.01–655.35 MHz, little-endian). | Pixel clock. 00 = reserved; otherwise in 10 kHz units (0.01–655.35 MHz, little-endian). |
| 2 | Horizontal active pixels 8 lsbits (0–255) | Horizontal active pixels 8 lsbits (0–255) |
| 3 | Horizontal blanking pixels 8 lsbits (0–255) End of active to start of next active. | Horizontal blanking pixels 8 lsbits (0–255) End of active to start of next active. |
| 4 | Bits 7–4 | Horizontal active pixels 4 msbits (0–15) |
| 4 | Bits 3–0 | Horizontal blanking pixels 4 msbits (0–15) |
| 5 | Vertical active lines 8 lsbits (0–255) | Vertical active lines 8 lsbits (0–255) |
| 6 | Vertical blanking lines 8 lsbits (0–255) | Vertical blanking lines 8 lsbits (0–255) |
| 7 | Bits 7–4 | Vertical active lines 4 msbits (0–15) |
| 7 | Bits 3–0 | Vertical blanking lines 4 msbits (0–15) |
| 8 | Horizontal front porch (sync offset) pixels 8 lsbits (0–255) From blanking start | Horizontal front porch (sync offset) pixels 8 lsbits (0–255) From blanking start |
| 9 | Horizontal sync pulse width pixels 8 lsbits (0–255) | Horizontal sync pulse width pixels 8 lsbits (0–255) |
| 10 | Bits 7–4 | Vertical front porch (sync offset) lines 4 lsbits (0–15) |
| 10 | Bits 3–0 | Vertical sync pulse width lines 4 lsbits (0–15) |
| 11 | Bits 7–6 | Horizontal front porch (sync offset) pixels 2 msbits (0–3) |
| 11 | Bits 5–4 | Horizontal sync pulse width pixels 2 msbits (0–3) |
| 11 | Bits 3–2 | Vertical front porch (sync offset) lines 2 msbits (0–3) |
| 11 | Bits 1–0 | Vertical sync pulse width lines 2 msbits (0–3) |
| 12 | Horizontal image size, mm, 8 lsbits (0–255 mm, 161 in) | Horizontal image size, mm, 8 lsbits (0–255 mm, 161 in) |
| 13 | Vertical image size, mm, 8 lsbits (0–255 mm, 161 in) | Vertical image size, mm, 8 lsbits (0–255 mm, 161 in) |
| 14 | Bits 7–4 | Horizontal image size, mm, 4 msbits (0–15) |
| 14 | Bits 3–0 | Vertical image size, mm, 4 msbits (0–15) |
| 15 | Horizontal border pixels (one side; total is twice this) (0–255) | Horizontal border pixels (one side; total is twice this) (0–255) |
| 16 | Vertical border lines (one side; total is twice this) (0–255) | Vertical border lines (one side; total is twice this) (0–255) |
| 17 | Features bitmap | Features bitmap |
| 17 | Bit 7 | Signal Interface Type: 0 = non-interlaced; 1 = interlaced. |
| 17 | Bits 6–5 | Stereo mode (combine bits 6–5 with bit 0): 00 x = none, bit 0 is "don't care"; 01 0 = field sequential, right during stereo sync; 10 0 = field sequential, left during stereo sync; 01 1 = 2-way interleaved, right image on even lines; 10 1 = 2-way interleaved, left image on even lines; 11 0 = 4-way interleaved; 11 1 = side-by-side interleaved. |
| 17 | Bit 4 = 0 | Analog sync. If set, the following bit definitions apply: |
| 17 | Bit 3 | Sync type: 0 = analog composite; 1 = bipolar analog composite. |
| 17 | Bit 2 | Serration: 0 = without serrations; 1 = with serrations (H-sync during V-sync). |
| 17 | Bit 1 | Sync on red and blue lines additionally to green 0 = sync on green signal only; 1 = sync on all three (RGB) video signals. |
| 17 | Bits 4–3 = 10 | Digital sync., composite (on HSync). If set, the following bit definitions apply: |
| 17 | Bit 2 | Serration 0 = without serration; 1 = with serration (H-sync during V-sync). |
| 17 | Bit 1 | Horizontal sync polarity: 0 = negative; 1 = positive. |
| 17 | Bits 4–3 = 11 | Digital sync., separate If set, the following bit definitions apply: |
| 17 | Bit 2 | Vertical sync polarity: 0 = negative; 1 = positive. |
| 17 | Bit 1 | Horizontal sync polarity: 0 = negative; 1 = positive. |
| 17 | Bit 0 | Stereo mode (combines with bits 6–5) |
When used for another descriptor, the pixel clock and some other bytes are set to 0:

### Monitor Descriptors

EDID Monitor Descriptors :
| Bytes | Description |
| 0–1 | 0 = Monitor Descriptor (cf. Detailed Timing Descriptor). |
| 2 | 0 = reserved |
| 3 | Descriptor type. FA–FF currently defined. 00–0F reserved for vendors. |
| 4 | 0 = reserved, except for Display Range Limits Descriptor. |
| 5–17 | Defined by descriptor type. If text, code page 437 text, terminated (if less than 13 bytes) with LF and padded with SP. |
Currently defined descriptor types are:
* FF: Monitor serial number (ASCII text)
* FE: Unspecified text (ASCII text)
* FD: Monitor range limits. 6- or 13-byte (with additional timing) binary descriptor.
* FC: Monitor name (ASCII text), for example "PHL 223V5".
* FB: Additional white point data. 2× 5-byte descriptors, padded with 0A 20 20.
* FA: Additional standard timing identifiers. 6× 2-byte descriptors, padded with 0A.
* F9: Display Color Management (DCM).
* F8: CVT 3-Byte Timing Codes.
* F7: Additional standard timing 3.
* 10: Dummy identifier.
* 00–0F: Manufacturer reserved descriptors.

### Display Range Limits
#### Descriptor

EDID Display Range Limits Descriptor :
| Bytes | Description | Description |
| 0–1 | 00 00 = Display Descriptor | 00 00 = Display Descriptor |
| 2 | 00 = reserved | 00 = reserved |
| 3 | FD = Display Range Limits Descriptor | FD = Display Range Limits Descriptor |
| 4 | Offsets for display range limits | Offsets for display range limits |
| 4 | Bits 7–4 | 00 = reserved |
| 4 | Bits 3–2 | Horizontal rate offsets: 00 = none; 10 = +255 kHz for max. rate; 11 = +255 kHz for max. and min. rates. |
| 4 | Bits 1–0 | Vertical rate offsets: 00 = none; 10 = +255 Hz for max. rate; 11 = +255 Hz for max. and min. rates. |
| 5 | Minimum | vertical field rate (1–255 Hz; 256–510 Hz, if offset). |
| 6 | Maximum | vertical field rate (1–255 Hz; 256–510 Hz, if offset). |
| 7 | Minimum | horizontal line rate (1–255 kHz; 256–510 kHz, if offset). |
| 8 | Maximum | horizontal line rate (1–255 kHz; 256–510 kHz, if offset). |
| 9 | Maximum pixel clock rate, rounded up to 10 MHz multiple (10–2550 MHz). | Maximum pixel clock rate, rounded up to 10 MHz multiple (10–2550 MHz). |
| 10 | Extended timing information type: 00 = Default GTF (when basic display parameters byte 24, bit 0 is set). 01 = No timing information. 02 = Secondary GTF supported, parameters as follows. 04 = CVT (when basic display parameters byte 24, bit 0 is set), parameters as follows. | Extended timing information type: 00 = Default GTF (when basic display parameters byte 24, bit 0 is set). 01 = No timing information. 02 = Secondary GTF supported, parameters as follows. 04 = CVT (when basic display parameters byte 24, bit 0 is set), parameters as follows. |
| 11–17 | Video timing parameters (if byte 10 is 00 or 01, padded with 0A 20 20 20 20 20 20). | Video timing parameters (if byte 10 is 00 or 01, padded with 0A 20 20 20 20 20 20). |

#### With GTF secondary curve

EDID Display Range Limits with GTF Secondary curve :
| Bytes | Description |
| 10 | 02 |
| 11 | 00 = reserved |
| 12 | Start frequency for secondary curve, divided by 2 kHz (0–510 kHz) |
| 13 | GTF C value, multiplied by 2 (0–127.5) |
| 14–15 | GTF M value (0–65535, little-endian) |
| 16 | GTF K value (0–255) |
| 17 | GTF J value, multiplied by 2 (0–127.5) |

#### With CVT support

EDID Display Range Limits with CVT support :
| Bytes | Description | Description |
| 10 | 04 | 04 |
| 11 | Bits 7–4 | CVT major version (1–15) |
| 11 | Bits 3–0 | CVT minor version (0–15) |
| 12 | Bits 7–2 | Additional clock precision in 0.25 MHz increments (to be subtracted from byte 9 maximum pixel clock rate) |
| 12 | Bits 1–0 | Maximum active pixels per line, 2-bit msb |
| 13 | Maximum active pixels per line, 8-bit lsb (no limit if 0) | Maximum active pixels per line, 8-bit lsb (no limit if 0) |
| 14 | Aspect ratio bitmap | Aspect ratio bitmap |
| 14 | Bit 7 | 4∶3 |
| 14 | Bit 6 | 16∶9 |
| 14 | Bit 5 | 16∶10 |
| 14 | Bit 4 | 5∶4 |
| 14 | Bit 3 | 15∶9 |
| 14 | Bits 2–0 | 000 = reserved |
| 15 | Bits 7–5 | Aspect ratio preference: 000 = 4∶3 001 = 16∶9 010 = 16∶10 011 = 5∶4 100 = 15∶9 |
| 15 | Bit 4 | CVT-RB reduced blanking (preferred) |
| 15 | Bit 3 | CVT standard blanking |
| 15 | Bits 2–0 | 000 = reserved |
| 16 | Scaling support bitmap | Scaling support bitmap |
| 16 | Bit 7 | Horizontal shrink |
| 16 | Bit 6 | Horizontal stretch |
| 16 | Bit 5 | Vertical shrink |
| 16 | Bit 4 | Vertical stretch |
| 16 | Bits 3–0 | 0000 = reserved |
| 17 | Preferred vertical refresh rate (1–255) | Preferred vertical refresh rate (1–255) |

### Additional white point descriptor

EDID additional white point descriptor :
| Bytes | Description | Description |
| 0–4 | 00 00 00 FB 00 | 00 00 00 FB 00 |
| 5 | White point index number (1–255). Usually 1; 0 indicates descriptor not used. | White point index number (1–255). Usually 1; 0 indicates descriptor not used. |
| 6 | White point CIE xy coordinates least-significant bits (like EDID byte 26) | White point CIE xy coordinates least-significant bits (like EDID byte 26) |
| 6 | Bits 7–4 | 000 = reserved |
| 6 | Bits 3–2 | White point x value least-significant 2 bits |
| 6 | Bits 1–0 | White point y value least-significant 2 bits |
| 7 | White point x value most significant 8 bits (like EDID byte 27) | White point x value most significant 8 bits (like EDID byte 27) |
| 8 | White point y value most significant 8 bits (like EDID byte 28) | White point y value most significant 8 bits (like EDID byte 28) |
| 9 | datavalue = (gamma − 1)×100 (1.0–3.54, like EDID byte 23) | datavalue = (gamma − 1)×100 (1.0–3.54, like EDID byte 23) |
| 10–14 | Second descriptor. Index number starts with 2; if 0 = unused | Second descriptor. Index number starts with 2; if 0 = unused |
| 15–17 | Unused, padded with 0A 20 20. | Unused, padded with 0A 20 20. |

### Color management data descriptor

EDID color management data descriptor :
| Bytes | Description |
| 0–4 | 00 00 00 F9 00 |
| 5 | Version: 03 |
| 6 | Red a$_3$ lsb |
| 7 | Red a$_3$ msb |
| 8 | Red a$_2$ lsb |
| 9 | Red a$_2$ msb |
| 10 | Green a$_3$ lsb |
| 11 | Green a$_3$ msb |
| 12 | Green a$_2$ lsb |
| 13 | Green a$_2$ msb |
| 14 | Blue a$_3$ lsb |
| 15 | Blue a$_3$ msb |
| 16 | Blue a$_2$ lsb |
| 17 | Blue a$_2$ msb |

### CVT 3-byte timing codes descriptor

EDID CVT 3-byte timing codes descriptor :
| Bytes | Description | Description |
| 0–4 | 00 00 00 F8 00 | 00 00 00 F8 00 |
| 5 | Version: 01 | Version: 01 |
| 6-8 | CVT timing descriptor #1 | CVT timing descriptor #1 |
| 6 | Addressable lines per field 8-bit lsb | Addressable lines per field 8-bit lsb |
| 7 | Bits 7–4 | Addressable lines per field 4-bit msb |
| 7 | Bits 3–2 | Aspect ratio: 00 = 4∶3 01 = 16∶9 10 = 16∶10 11 = 15∶9 |
| 7 | Bits 1–0 | 00 = reserved |
| 8 | Bit 7 | 0 = reserved |
| 8 | Bits 6–5 | Preferred vertical rate: 00: 50 Hz 01: 60 Hz 10: 75 Hz 11: 85 Hz |
| Vertical rate bitmap ||
| 8 | Bit 4 | 50 Hz CVT |
| 8 | Bit 3 | 60 Hz CVT |
| 8 | Bit 2 | 75 Hz CVT |
| 8 | Bit 1 | 85 Hz CVT |
| 8 | Bit 0 | 60 Hz CVT reduced blanking |
| 9–11 | CVT timing descriptor #2 | CVT timing descriptor #2 |
| 12–14 | CVT timing descriptor #3 | CVT timing descriptor #3 |
| 15–17 | CVT timing descriptor #4 | CVT timing descriptor #4 |
${\mathsf {Vertical\ lines}}=({\mathsf {Addressable\ lines\ per\ field}}+1)*2$ ${\mathsf {Horizontal\ pixels}}=\lfloor {\mathsf {Vertical\ lines}}*{\mathsf {Aspect\ ratio}}/8\rfloor *8$

### Additional standard timings

EDID Additional standard timings 3 :
| Bytes | Description | Description | Description |
| 0–4 | 00 00 00 F7 00 | 00 00 00 F7 00 | 00 00 00 F7 00 |
| 5 | Version: 10 | Version: 10 | Version: 10 |
| 6 | Bit 7 | 640×350 | @ 85 Hz |
| 6 | Bit 6 | 640×400 | @ 85 Hz |
| 6 | Bit 5 | 720×400 | @ 85 Hz |
| 6 | Bit 4 | 640×480 | @ 85 Hz |
| 6 | Bit 3 | 848×480 | @ 60 Hz |
| 6 | Bit 2 | 800×600 | @ 85 Hz |
| 6 | Bit 1 | 1024×768 | @ 85 Hz |
| 6 | Bit 0 | 1152×864 | @ 85 Hz |
| 7 | Bit 7 | 1280×768 | @ 60 Hz (CVT-RB) |
| 7 | Bit 6 | 1280×768 | @ 60 Hz |
| 7 | Bit 5 | 1280×768 | @ 75 Hz |
| 7 | Bit 4 | 1280×768 | @ 85 Hz |
| 7 | Bit 3 | 1280×960 | @ 60 Hz |
| 7 | Bit 2 | 1280×960 | @ 85 Hz |
| 7 | Bit 1 | 1280×1024 | @ 60 Hz |
| 7 | Bit 0 | 1280×1024 | @ 85 Hz |
| 8 | Bit 7 | 1360×768 | @ 60 Hz (CVT-RB) |
| 8 | Bit 6 | 1280×768 | @ 60 Hz |
| 8 | Bit 5 | 1440×900 | @ 60 Hz (CVT-RB) |
| 8 | Bit 4 | 1440×900 | @ 75 Hz |
| 8 | Bit 3 | 1440×900 | @ 85 Hz |
| 8 | Bit 2 | 1400×1050 | @ 60 Hz (CVT-RB) |
| 8 | Bit 1 | 1400×1050 | @ 60 Hz |
| 8 | Bit 0 | 1400×1050 | @ 75 Hz |
| 9 | Bit 7 | 1400×1050 | @ 85 Hz |
| 9 | Bit 6 | 1680×1050 | @ 60 Hz (CVT-RB) |
| 9 | Bit 5 | 1680×1050 | @ 60 Hz |
| 9 | Bit 4 | 1680×1050 | @ 75 Hz |
| 9 | Bit 3 | 1680×1050 | @ 85 Hz |
| 9 | Bit 2 | 1600×1200 | @ 60 Hz |
| 9 | Bit 1 | 1600×1200 | @ 65 Hz |
| 9 | Bit 0 | 1600×1200 | @ 70 Hz |
| 10 | Bit 7 | 1600×1200 | @ 75 Hz |
| 10 | Bit 6 | 1600×1200 | @ 85 Hz |
| 10 | Bit 5 | 1792×1344 | @ 60 Hz |
| 10 | Bit 4 | 1792×1344 | @ 75 Hz |
| 10 | Bit 3 | 1856×1392 | @ 60 Hz |
| 10 | Bit 2 | 1856×1392 | @ 75 Hz |
| 10 | Bit 1 | 1920×1200 | @ 60 Hz (CVT-RB) |
| 10 | Bit 0 | 1920×1200 | @ 60 Hz |
| 11 | Bit 7 | 1920×1200 | @ 75 Hz |
| 11 | Bit 6 | 1920×1200 | @ 85 Hz |
| 11 | Bit 5 | 1920×1440 | @ 60 Hz |
| 11 | Bit 4 | 1920×1440 | @ 75 Hz |
| 11 | Bits 3–0 | 0000 = reserved | 0000 = reserved |
| 12–17 | Unused, must be 0. | Unused, must be 0. | Unused, must be 0. |

## CTA EDID Timing Extension Block

The CTA EDID Extension was first introduced in EIA/CEA-861.

### CTA-861 Standard

The ANSI/CTA-861 industry standard, which according to CTA is now their "Most Popular Standard", has since been updated several times, most notably with the 861-B revision (published in May 2002, which added version 3 of the extension, adding Short Video Descriptors and advanced audio capability/configuration information), 861-D (published in July 2006 and containing updates to the audio segments), 861-E in March 2008, 861-F, which was published on June 4, 2013, 861-H in December 2020, and, most recently, 861-I, which was published in February 2023. Coinciding with the publication of CEA-861-F in 2013, Brian Markwalter, senior vice president, research and standards, stated: "The new edition includes a number of noteworthy enhancements, including support for several new Ultra HD and widescreen video formats and additional colorimetry schemes.”
Version CTA-861-G, originally published in November 2016, was made available for free in November 2017, along with updated versions -E and -F, after some necessary changes due to a trademark complaint. All CTA standards are free to everyone since May 2018.
The most recent full version is CTA-861-I, published in February 2023, available for free after registration. It combines the previous version, CTA-861-H, from January 2021 with an amendment, CTA-861.6, published in February 2022 and includes a new formula to calculate Video Timing Formats, OVT. Other changes include a new annex to elaborate on the audio speaker room configuration system that was introduced with the 861.2 amendment, and some general clarifications and formatting cleanup.
An amendment to CTA-861-I, CTA-861.7, was published in June 2024. It contains updates to CTA 3D Audio, and clarifications on Content Type Indication, and on 4:2:0 support for VTDBs and VFDBs. It also introduces a new Product ID Data Block, to replace the Manufacturer PNP ID in the first block of the EDID, since the UEFI is phasing out assigning new PNP IDs.

### CTA Extension Block

Version 1 of the extension block (as defined in CEA−861) allowed the specification of video timings only through the use of 18-byte Detailed Timing Descriptors (DTD) (as detailed in EDID 1.3 data format above). DTD timings are listed in order of preference in the CEA EDID Timing Extension.
Version 2 (as defined in 861-A) added the capability to designate a number of DTDs as "native" (i.e., matching the resolution of the display) and also included some "basic discovery" functionality for whether the display device contains support for "basic audio", YC$_B$C$_R$ pixel formats, and underscan.
Version 3 (from the 861-B spec onward) allows two different ways to specify digital video timing formats: As in Version 1 & 2 by the use of 18-byte DTDs, or by the use of the Short Video Descriptor (SVD) (see below). HDMI 1.0–1.3c uses this version.
Version 3 also defines a format for a collection of data blocks, which in turn can contain a number of individual descriptors. This Data Block Collection (DBC) initially had four types of Data Blocks (DBs): Video Data Blocks containing the aforementioned Short Video Descriptor (SVD), Audio Data Blocks containing Short Audio Descriptors (SAD), Speaker Allocation Data Blocks containing information about the speaker configuration of the display device, and Vendor Specific Data Blocks which can contain information specific to a given vendor's use. Subsequent versions of CTA-861 defined additional data blocks.

### CTA Extension data format

| Byte | Description | Description |
| 0 | Extension tag (which kind of extension block this is); 02 for CTA EDID | Extension tag (which kind of extension block this is); 02 for CTA EDID |
| 1 | Revision number (version number); 03 for version 3 | Revision number (version number); 03 for version 3 |
| 2 | Byte number (decimal) within this block where the 18-byte DTDs begin. If no non-DTD data is present in this extension block, the value should be set to 04 (the byte after next). If set to 00, there are no DTDs present in this block and no non-DTD data. | Byte number (decimal) within this block where the 18-byte DTDs begin. If no non-DTD data is present in this extension block, the value should be set to 04 (the byte after next). If set to 00, there are no DTDs present in this block and no non-DTD data. |
| 3 | With version 2 and up: number of Native DTDs present, other information. Reserved with earlier versions. | With version 2 and up: number of Native DTDs present, other information. Reserved with earlier versions. |
| 3 | Bit 7 | 1 if display supports underscan, 0 if not |
| 3 | Bit 6 | 1 if display supports basic audio, 0 if not |
| 3 | Bit 5 | 1 if display supports YC$_B$C$_R$ 4∶4∶4, 0 if not |
| 3 | Bit 4 | 1 if display supports YC$_B$C$_R$ 4∶2∶2, 0 if not |
| 3 | Bit 3–0 | Total number of native formats in the DTDs included in this block |
| 4–126 | With version 3 and up: Data Block Collection, starting at byte 4, ending immediately before the byte specified in byte 2. If byte 2 is 04, the collection is of zero length (i.e. not present). If byte 2 is 00, no DTDs are present and the DBC takes up the entire remaining EDID block ahead of the checksum. Reserved with earlier versions. | With version 3 and up: Data Block Collection, starting at byte 4, ending immediately before the byte specified in byte 2. If byte 2 is 04, the collection is of zero length (i.e. not present). If byte 2 is 00, no DTDs are present and the DBC takes up the entire remaining EDID block ahead of the checksum. Reserved with earlier versions. |
| 18-byte descriptors, starting at the byte specified in byte 2 (if non-zero). Consecutive descriptors are present while the bytes 0–1 of each are not 00 00. ||
| Padding, from the absence of an 18-byte descriptor onwards; must be 00. ||
| 127 | Checksum. Value such that the one-byte sum of all 128 bytes is 00. | Checksum. Value such that the one-byte sum of all 128 bytes is 00. |
The Data Block Collection contains one or more data blocks detailing video, audio, and speaker placement information about the display. The blocks can be placed in any order, and the initial byte of each block defines both its type and its length:
Data block header :
| Byte | Description | Description |
| 0 | Bit 7–5 | Block Type Tag 001 1: Audio (ADB, containing SADs) 010 2: Video (VDB, containing SVDs) 011 3: Vendor Specific (VSDB) 100 4: Speaker Allocation (SADB) 101 5: VESA Display Transfer Characteristic (VESA DTCDB) 110 6: Video Format (VFDB, containing VFDs) 111 7: Use Extended Tag |
| 0 | Bit 4–0 | Total number of bytes in this block following this byte. |
If the Tag code is 7, an Extended Tag Code is present in the first payload byte of the data block, and the second payload byte represents the first payload byte of the extended data block.
Extended Block Type Tag :
| Byte | Description | Description |
| 1 | Bit 7–0 | Extended Block Type Tag 00000000 0: Video Capability (VCDB) 00000001 1: Vendor Specific Video (VSVDB) 00000010 2: VESA Display Device (VESA DDDB) 00000011 3: reserved for VESA 00000100 4: reserved for HDMI 00000101 5: Colorimetry (CDB) 00000110 6: HDR Static Metadata (HDR SMDB) 00000111 7: HDR Dynamic Metadata (HDR DMDB) 00001000 8: Native Video Resolution (NVRDB) 9-12: reserved for video 00001101 13: Video Format Preference (VFPDB) 00001110 14: YC$_B$C$_R$ 4:2:0 Video (Y420VDB) 00001111 15: YC$_B$C$_R$ 4:2:0 Capability Map (Y420CMDB) 00010000 16: reserved for CTA (CTA MAF) 00010001 17: Vendor Specific Audio (VSADB) 00010010 18: HDMI Audio (HDMI ADB) 00010011 19: Room Configuration (RCDB) 00010100 20: Speaker Location (SLDB, containing SLDs) 21-31: reserved for audio 00100000 32: InfoFrame (IFDB) 00100001 33: reserved 00100010 34: Type VII video timing (T7VTDB) 00100011 35: Type VIII video timing (T8VTDB) 36-41: reserved 00101010 42: Type X video timing (T10VTDB) 42-119: reserved 01111000 120: HDMI Forum EDID Extension Override (HF-EEODB) 01111001 121: HDMI Forum Sink Capbility (HF-SCDB) 01111010 122: HDMI Forum Source-Based Tone Mapping (HF-SBTMDB) 123-127: reserved for HDMI else: reserved |
Once one data block has ended, the next byte is assumed to be the beginning of the next data block. This is the case until the byte (designated in byte 2, above) where the DTDs are known to begin.

### CTA Data Blocks

As noted, several data blocks are defined by the extension.

#### Video Data Blocks

The Video Data Blocks will contain one or more 1-byte Short Video Descriptors (SVDs).
| Byte | Description | Description |
| 0 | Data block header | Data block header |
| 1 | Bit 7 | 1 to designate that this should be considered a "native" resolution, 0 for non-native. Used for 7-bit VICs 1 – 64 only, otherwise this is the MSB for the 8-bit VIC. |
| 1 | Bit 6–0 | VIC: Index value to a table of standard resolutions/timings from EIA/CEA-861: |

##### EIA/CEA-861 predefined standard resolutions and timings

EIA/CEA-861 standard resolutions and timings :
| VIC | Short name | Aspect ratio | Aspect ratio | Clock | Clock | Clock | Active | Active | Total | Total | Field rate (Hz) |
| VIC | Short name | DAR | PAR | Pixel (MHz) | V (Hz) | H (kHz) | H | V | H | V | Field rate (Hz) |
| 1 | DMT0659 | 4∶3 | 1∶1 | 25.175 | 59.94 | 31.469 | 640 | 480 | 800 | 525 | 60 |
| 2 | 480p | 4∶3 | 8∶9 | 27 | 59.94 | 31.469 | 720 | 480 | 858 | 525 | 60 |
| 3 | 480pH | 16∶9 | 32∶27 | 27 | 59.94 | 31.469 | 720 | 480 | 858 | 525 | 60 |
| 4 | 720p | 16∶9 | 1∶1 | 74.25 | 60 | 45.0 | 1280 | 720 | 1650 | 750 | 60 |
| 5 | 1080i | 16∶9 | 1∶1 | 74.25 | 60 | 33.75 | 1920 | 540 | 2200 | 562.5 | 60 |
| 6 | 480i | 4∶3 | 8∶9 | 27 | 59.94 | 15.734 | 1440 | 240 | 1716 | 262.5 | 60 |
| 7 | 480iH | 16∶9 | 32∶27 | 27 | 59.94 | 15.734 | 1440 | 240 | 1716 | 262.5 | 60 |
| 8 | 240p | 4∶3 | 4∶9 | 27 | 59.826 | 15.734 | 1440 | 240 | 1716 | 262.5 | 60 |
| 9 | 240pH | 16∶9 | 16∶27 | 27 | 59.826 | 15.734 | 1440 | 240 | 1716 | 262.5 | 60 |
| 10 | 480i4x | 4∶3 | 2:9-20:9 | 54 | 59.94 | 15.734 | 2880 | 240 | 3432 | 262.5 | 60 |
| 11 | 480i4xH | 16∶9 | 8:27-80:27 | 54 | 59.94 | 15.734 | 2880 | 240 | 3432 | 262.5 | 60 |
| 12 | 240p4x | 4∶3 | 1:9-10:9 | 54 | 60 | 15.734 | 2880 | 240 | 3432 | 262.5 | 60 |
| 13 | 240p4xH | 16∶9 | 4:27-40:27 | 54 | 60 | 15.734 | 2880 | 240 | 3432 | 262.5 | 60 |
| 14 | 480p2x | 4∶3 | 4:9, 8∶9 | 54 | 59.94 | 31.469 | 1440 | 480 | 1716 | 525 | 60 |
| 15 | 480p2xH | 16∶9 | 16:27, 32∶27 | 54 | 59.94 | 31.469 | 1440 | 480 | 1716 | 525 | 60 |
| 16 | 1080p | 16∶9 | 1∶1 | 148.5 | 60 | 67.5 | 1920 | 1080 | 2200 | 1125 | 60 |
| 17 | 576p | 4∶3 | 16∶15 | 27 | 50 | 31.25 | 720 | 576 | 864 | 625 | 50 |
| 18 | 576pH | 16∶9 | 64∶45 | 27 | 50 | 31.25 | 720 | 576 | 864 | 625 | 50 |
| 19 | 720p50 | 16∶9 | 1∶1 | 74.25 | 50 | 37.5 | 1280 | 720 | 1980 | 750 | 50 |
| 20 | 1080i25 | 16∶9 | 1∶1 | 74.25 | 50 | 28.125 | 1920 | 540 | 2640 | 562.5 | 50 |
| 21 | 576i | 4∶3 | 16∶15 | 27 | 50 | 15.625 | 1440 | 288 | 1728 | 312.5 | 50 |
| 22 | 576iH | 16∶9 | 64∶45 | 27 | 50 | 15.625 | 1440 | 288 | 1728 | 312.5 | 50 |
| 23 | 288p | 4∶3 | 8∶15 | 27 | 50 | 15.625 | 1440 | 288 | 1728 | 313 | 50 |
| 24 | 288pH | 16∶9 | 32∶45 | 27 | 50 | 15.625 | 1440 | 288 | 1728 | 313 | 50 |
| 25 | 576i4x | 4∶3 | 2:15-20:15 | 54 | 50 | 15.625 | 2880 | 288 | 3456 | 312.5 | 50 |
| 26 | 576i4xH | 16∶9 | 16:45-160:45 | 54 | 50 | 15.625 | 2880 | 288 | 3456 | 312.5 | 50 |
| 27 | 288p4x | 4∶3 | 1:15-10:15 | 54 | 50 | 15.625 | 2880 | 288 | 3456 | 313 | 50 |
| 28 | 288p4xH | 16∶9 | 8:45-80:45 | 54 | 50 | 15.625 | 2880 | 288 | 3456 | 313 | 50 |
| 29 | 576p2x | 4∶3 | 8:15, 16∶15 | 54 | 50 | 31.25 | 1440 | 576 | 1728 | 625 | 50 |
| 30 | 576p2xH | 16∶9 | 32:45, 64∶45 | 54 | 50 | 31.25 | 1440 | 576 | 1728 | 625 | 50 |
| 31 | 1080p50 | 16∶9 | 1∶1 | 148.5 | 50 | 56.25 | 1920 | 1080 | 2640 | 1125 | 50 |
| 32 | 1080p24 | 16∶9 | 1∶1 | 74.25 | 23.98/24 | 27 | 1920 | 1080 | 2750 | 1125 | Low |
| 33 | 1080p25 | 16∶9 | 1∶1 | 74.25 | 25 | 28.125 | 1920 | 1080 | 2640 | 1125 | Low |
| 34 | 1080p30 | 16∶9 | 1∶1 | 74.25 | 29.97/30 | 33.75 | 1920 | 1080 | 2200 | 1125 | Low |
| 35 | 480p4x | 4∶3 | 2:9, 4:9, 8∶9 | 108 | 59.94 | 31.469 | 2880 | 240 | 3432 | 262.5 | 60 |
| 36 | 480p4xH | 16∶9 | 8:27, 16:27, 32∶27 | 108 | 59.94 | 31.469 | 2880 | 240 | 3432 | 262.5 | 60 |
| 37 | 576p4x | 4∶3 | 4:15, 8:15, 16∶15 | 108 | 50 | 31.25 | 2880 | 576 | 3456 | 625 | 50 |
| 38 | 576p4xH | 16∶9 | 16:45, 32:45, 64∶45 | 108 | 50 | 31.25 | 2880 | 576 | 3456 | 625 | 50 |
| 39 | 1080i25 | 16∶9 | 1∶1 | 72 | 50 | 31.25 | 1920 | 540 | 2304 | 625 | 50 |
| 40 | 1080i50 | 16∶9 | 1∶1 | 148.5 | 100 | 56.25 | 1920 | 540 | 2640 | 562.5 | 100 |
| 41 | 720p100 | 16∶9 | 1∶1 | 148.5 | 100 | 45.0 | 1280 | 720 | 1980 | 750 | 100 |
| 42 | 576p100 | 4∶3 | 16∶15 | 54 | 100 | 62.5 | 720 | 576 | 864 | 625 | 100 |
| 43 | 576p100H | 16∶9 | 64∶45 | 54 | 100 | 62.5 | 720 | 576 | 864 | 625 | 100 |
| 44 | 576i50 | 4∶3 | 16∶15 | 54 | 100 | 31.25 | 1440 | 576 | 1728 | 625 | 100 |
| 45 | 576i50H | 16∶9 | 64∶45 | 54 | 100 | 31.25 | 1440 | 576 | 1728 | 625 | 100 |
| 46 | 1080i60 | 16∶9 | 1∶1 | 148.5 | 119.88/120 | 67.5 | 1920 | 540 | 2200 | 562.5 | 120 |
| 47 | 720p120 | 16∶9 | 1∶1 | 148.5 | 119.88/120 | 90.0 | 1280 | 720 | 1650 | 750 | 120 |
| 48 | 480p119 | 4∶3 | 8∶9 | 54 | 119.88/120 | 62.937 | 720 | 480 | 858 | 525 | 120 |
| 49 | 480p119H | 16∶9 | 32∶27 | 54 | 119.88/120 | 62.937 | 720 | 480 | 858 | 525 | 120 |
| 50 | 480i59 | 4∶3 | 16∶15 | 54 | 119.88/120 | 31.469 | 1440 | 480 | 1716 | 525 | 120 |
| 51 | 480i59H | 16∶9 | 64∶45 | 54 | 119.88/120 | 31.469 | 1440 | 480 | 1716 | 525 | 120 |
| 52 | 576p200 | 4∶3 | 16∶15 | 108 | 200 | 125.0 | 720 | 576 | 864 | 625 | 200 |
| 53 | 576p200H | 16∶9 | 64∶45 | 108 | 200 | 125.0 | 720 | 576 | 864 | 625 | 200 |
| 54 | 576i100 | 4∶3 | 16∶15 | 108 | 200 | 62.5 | 1440 | 288 | 1728 | 312.5 | 200 |
| 55 | 576i100H | 16∶9 | 64∶45 | 108 | 200 | 62.5 | 1440 | 288 | 1728 | 312.5 | 200 |
| 56 | 480p239 | 4∶3 | 8∶9 | 108 | 239.76 | 125.874 | 720 | 480 | 858 | 525 | 240 |
| 57 | 480p239H | 16∶9 | 32∶27 | 108 | 239.76 | 125.874 | 720 | 480 | 858 | 525 | 240 |
| 58 | 480i119 | 4∶3 | 8∶9 | 108 | 239.76 | 62.937 | 1440 | 240 | 1716 | 262.5 | 240 |
| 59 | 480i119H | 16∶9 | 32∶27 | 108 | 239.76 | 62.937 | 1440 | 240 | 1716 | 262.5 | 240 |
| 60 | 720p24 | 16∶9 | 1∶1 | 59.4 | 23.98/24 | 18.0 | 1280 | 720 | 3300 | 750 | Low |
| 61 | 720p25 | 16∶9 | 1∶1 | 74.25 | 25 | 18.75 | 1280 | 720 | 3960 | 750 | Low |
| 62 | 720p30 | 16∶9 | 1∶1 | 74.25 | 29.97/30 | 22.5 | 1280 | 720 | 3300 | 750 | Low |
| 63 | 1080p120 | 16∶9 | 1∶1 | 297 | 119.88/120 | 135.0 | 1920 | 1080 | 2200 | 1125 | 120 |
| 64 | 1080p100 | 16∶9 | 1∶1 | 297 | 100 | 112.5 | 1920 | 1080 | 2640 | 1125 | 100 |
| 65 | 720p24 | 64∶27 | 4∶3 | 59.4 | 23.98/24 | 18.0 | 1280 | 720 | 3300 | 750 | Low |
| 66 | 720p25 | 64∶27 | 4∶3 | 74.25 | 25 | 18.75 | 1280 | 720 | 3960 | 750 | Low |
| 67 | 720p30 | 64∶27 | 4∶3 | 74.25 | 29.97/30 | 22.5 | 1280 | 720 | 3300 | 750 | Low |
| 68 | 720p50 | 64∶27 | 4∶3 | 74.25 | 50 | 37.5 | 1280 | 720 | 1980 | 750 | 50 |
| 69 | 720p | 64∶27 | 4∶3 | 74.25 | 60 | 45.0 | 1650 | 750 | 1650 | 750 | 60 |
| 70 | 720p100 | 64∶27 | 4∶3 | 148.5 | 100 | 75.0 | 1280 | 720 | 1980 | 750 | 100 |
| 71 | 720p120 | 64∶27 | 4∶3 | 148.5 | 119.88/120 | 90.0 | 1280 | 720 | 1650 | 750 | 120 |
| 72 | 1080p24 | 64∶27 | 4∶3 | 74.25 | 23.98/24 | 27 | 1920 | 1080 | 2750 | 1125 | Low |
| 73 | 1080p25 | 64∶27 | 4∶3 | 74.25 | 25 | 28.125 | 1920 | 1080 | 2640 | 1125 | Low |
| 74 | 1080p30 | 64∶27 | 4∶3 | 74.25 | 29.97/30 | 33.75 | 1920 | 1080 | 2200 | 1125 | Low |
| 75 | 1080p50 | 64∶27 | 4∶3 | 148.5 | 50 | 56.25 | 1920 | 1080 | 2640 | 1125 | 50 |
| 76 | 1080p | 64∶27 | 4∶3 | 148.5 | 60 | 67.5 | 1920 | 1080 | 2200 | 1125 | 60 |
| 77 | 1080p100 | 64∶27 | 4∶3 | 297.0 | 100 | 112.5 | 1920 | 1080 | 2640 | 1125 | 100 |
| 78 | 1080p120 | 64∶27 | 4∶3 | 297.0 | 119.88/120 | 135.0 | 1920 | 1080 | 2200 | 1125 | 120 |
| 79 | 720p2x24 | 64∶27 | 64∶63 | 59.4 | 23.98/24 | 18.0 | 1680 | 720 | 3300 | 750 | Low |
| 80 | 720p2x25 | 64∶27 | 64∶63 | 59.4 | 25 | 18.75 | 1680 | 720 | 3168 | 750 | Low |
| 81 | 720p2x30 | 64∶27 | 64∶63 | 59.4 | 29.97/30 | 22.5 | 1680 | 720 | 2640 | 750 | Low |
| 82 | 720p2x50 | 64∶27 | 64∶63 | 82.5 | 50 | 37.5 | 1680 | 720 | 2200 | 750 | 50 |
| 83 | 720p2x | 64∶27 | 64∶63 | 99 | 60 | 45.0 | 1680 | 720 | 2200 | 750 | 60 |
| 84 | 720p2x100 | 64∶27 | 64∶63 | 165 | 100 | 82.5 | 1680 | 720 | 2000 | 825 | 100 |
| 85 | 720p2x120 | 64∶27 | 64∶63 | 198 | 119.88/120 | 99.0 | 1680 | 720 | 2000 | 825 | 120 |
| 86 | 1080p2x24 | 64∶27 | 1∶1 | 99 | 23.98/24 | 26.4 | 2560 | 1080 | 3750 | 1100 | Low |
| 87 | 1080p2x25 | 64∶27 | 1∶1 | 90 | 25 | 28.125 | 2560 | 1080 | 3200 | 1125 | Low |
| 88 | 1080p2x30 | 64∶27 | 1∶1 | 118.8 | 29.97/30 | 33.75 | 2560 | 1080 | 3520 | 1125 | Low |
| 89 | 1080p2x50 | 64∶27 | 1∶1 | 185.625 | 50 | 56.25 | 2560 | 1080 | 3000 | 1125 | 50 |
| 90 | 1080p2x | 64∶27 | 1∶1 | 198 | 60 | 66.0 | 2560 | 1080 | 3000 | 1100 | 60 |
| 91 | 1080p2x100 | 64∶27 | 1∶1 | 371.25 | 100 | 125.0 | 2560 | 1080 | 2970 | 1250 | 100 |
| 92 | 1080p2x120 | 64∶27 | 1∶1 | 495 | 119.88/120 | 150.0 | 2560 | 1080 | 3300 | 1250 | 120 |
| 93 | 2160p24 | 16∶9 | 1∶1 | 297 | 23.98/24 | 54 | 3840 | 2160 | 5500 | 2250 | Low |
| 94 | 2160p25 | 16∶9 | 1∶1 | 297 | 25 | 56.25 | 3840 | 2160 | 5280 | 2250 | Low |
| 95 | 2160p30 | 16∶9 | 1∶1 | 297 | 29.97/30 | 67.5 | 3840 | 2160 | 4400 | 2250 | Low |
| 96 | 2160p50 | 16∶9 | 1∶1 | 594 | 50 | 112.5 | 3840 | 2160 | 5280 | 2250 | 50 |
| 97 | 2160p60 | 16∶9 | 1∶1 | 594 | 60 | 135.0 | 3840 | 2160 | 4400 | 2250 | 60 |
| 98 | 2160p24 | 256∶135 | 1∶1 | 297 | 23.98/24 | 67.5 | 4096 | 2160 | 5500 | 2250 | Low |
| 99 | 2160p25 | 256∶135 | 1∶1 | 297 | 25 | 112.5 | 4096 | 2160 | 5280 | 2250 | Low |
| 100 | 2160p30 | 256∶135 | 1∶1 | 297 | 29.97/30 | 135.0 | 4096 | 2160 | 4400 | 2250 | Low |
| 101 | 2160p50 | 256∶135 | 1∶1 | 594 | 50 | 112.5 | 4096 | 2160 | 5280 | 2250 | 50 |
| 102 | 2160p | 256∶135 | 1∶1 | 594 | 60 | 135.0 | 4096 | 2160 | 4400 | 2250 | 60 |
| 103 | 2160p24 | 64∶27 | 4∶3 | 297 | 23.98/24 | 67.5 | 3840 | 2160 | 5500 | 2250 | Low |
| 104 | 2160p25 | 64∶27 | 4∶3 | 297 | 25 | 112.5 | 3840 | 2160 | 5280 | 2250 | Low |
| 105 | 2160p30 | 64∶27 | 4∶3 | 297 | 29.97/30 | 135.0 | 3840 | 2160 | 4400 | 2250 | Low |
| 106 | 2160p50 | 64∶27 | 4∶3 | 594 | 50 | 112.5 | 3840 | 2160 | 5280 | 2250 | 50 |
| 107 | 2160p | 64∶27 | 4∶3 | 594 | 60 | 135.0 | 3840 | 2160 | 4400 | 2250 | 60 |
| 108 | 720p48 | 16∶9 | 1∶1 | 90 | 47.96/48 | 36.0 | 1280 | 720 | 2500 | 750 | Low |
| 109 | 720p48 | 64∶27 | 4∶3 | 90 | 47.96/48 | 36.0 | 1280 | 720 | 2500 | 750 | Low |
| 110 | 720p2x48 | 64∶27 | 64∶63 | 99 | 47.96/48 | 36.0 | 1680 | 720 | 2750 | 825 | Low |
| 111 | 1080p48 | 16∶9 | 1∶1 | 148.5 | 47.96/48 | 54 | 1920 | 1080 | 2750 | 1125 | Low |
| 112 | 1080p48 | 64∶27 | 4∶3 | 148.5 | 47.96/48 | 54 | 1920 | 1080 | 2750 | 1125 | Low |
| 113 | 1080p2x48 | 64∶27 | 1∶1 | 198 | 47.96/48 | 52.8 | 2560 | 1080 | 3750 | 1100 | Low |
| 114 | 2160p48 | 16∶9 | 1∶1 | 594 | 47.96/48 | 108 | 3840 | 2160 | 5500 | 2250 | Low |
| 115 | 2160p48 | 256∶135 | 1∶1 | 594 | 47.96/48 | 108 | 4096 | 2160 | 5500 | 2250 | Low |
| 116 | 2160p48 | 64∶27 | 4∶3 | 594 | 47.96/48 | 108 | 3840 | 2160 | 5500 | 2250 | Low |
| 117 | 2160p100 | 16∶9 | 1∶1 | 1188 | 100 | 225.0 | 3840 | 2160 | 5280 | 2250 | 100 |
| 118 | 2160p120 | 16∶9 | 1∶1 | 1188 | 119.88/120 | 270.0 | 3840 | 2160 | 4400 | 2250 | 120 |
| 119 | 2160p100 | 64∶27 | 4∶3 | 1188 | 100 | 225.0 | 3840 | 2160 | 5280 | 2250 | 100 |
| 120 | 2160p120 | 64∶27 | 4∶3 | 1188 | 119.88/120 | 270.0 | 3840 | 2160 | 4400 | 2250 | 120 |
| 121 | 2160p2x24 | 64∶27 | 1∶1 | 396 | 23.98/24 | 52.8 | 5120 | 2160 | 7500 | 2200 | Low |
| 122 | 2160p2x25 | 64∶27 | 1∶1 | 396 | 25 | 55.0 | 5120 | 2160 | 7200 | 2200 | Low |
| 123 | 2160p2x30 | 64∶27 | 1∶1 | 396 | 29.97/30 | 66.0 | 5120 | 2160 | 6000 | 2200 | Low |
| 124 | 2160p2x48 | 64∶27 | 1∶1 | 742.5 | 47.96/48 | 118.8 | 5120 | 2160 | 6250 | 2450 | Low |
| 125 | 2160p2x50 | 64∶27 | 1∶1 | 742.5 | 50 | 112.5 | 5120 | 2160 | 6600 | 2250 | 50 |
| 126 | 2160p2x | 64∶27 | 1∶1 | 742.5 | 60 | 135.0 | 5120 | 2160 | 5500 | 2250 | 60 |
| 127 | 2160p2x100 | 64∶27 | 1∶1 | 1485 | 100 | 225.0 | 5120 | 2160 | 6600 | 2250 | 100 |
| 128—192 | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. | reserved, value range is used in SVD to indicate native timing for numbers 1—64. |
| 193 | 2160p2x120 | 64∶27 | 1∶1 | 1485.0 | 119.88/120 | 270 | 5120 | 2160 | 5500 | 2250 | 120 |
| 194 | 4320p24 | 16∶9 | 1∶1 | 1188.0 | 23.98/24 | 108 | 7680 | 4320 | 11000 | 4500 | Low |
| 195 | 4320p25 | 16∶9 | 1∶1 | 1188.0 | 25 | 110 | 7680 | 4320 | 10800 | 4400 | Low |
| 196 | 4320p30 | 16∶9 | 1∶1 | 1188.0 | 29.97/30 | 132 | 7680 | 4320 | 9000 | 4400 | Low |
| 197 | 4320p48 | 16∶9 | 1∶1 | 2376.0 | 47.96/48 | 216 | 7680 | 4320 | 11000 | 4500 | Low |
| 198 | 4320p50 | 16∶9 | 1∶1 | 2376.0 | 50 | 220 | 7680 | 4320 | 10800 | 4400 | 50 |
| 199 | 4320p | 16∶9 | 1∶1 | 2376.0 | 60 | 264 | 7680 | 4320 | 9000 | 4400 | 60 |
| 200 | 4320p100 | 16∶9 | 1∶1 | 4752.0 | 100 | 450 | 7680 | 4320 | 10560 | 4500 | 100 |
| 201 | 4320p120 | 16∶9 | 1∶1 | 4752.0 | 119.88/120 | 540 | 7680 | 4320 | 8800 | 4500 | 120 |
| 202 | 4320p24 | 64∶27 | 4∶3 | 1188.0 | 23.98/24 | 108 | 7680 | 4320 | 11000 | 4500 | Low |
| 203 | 4320p25 | 64∶27 | 4∶3 | 1188.0 | 25 | 110 | 7680 | 4320 | 10800 | 4400 | Low |
| 204 | 4320p30 | 64∶27 | 4∶3 | 1188.0 | 29.97/30 | 132 | 7680 | 4320 | 9000 | 4400 | Low |
| 205 | 4320p48 | 64∶27 | 4∶3 | 2376.0 | 47.96/48 | 216 | 7680 | 4320 | 11000 | 4500 | Low |
| 206 | 4320p50 | 64∶27 | 4∶3 | 2376.0 | 50 | 220 | 7680 | 4320 | 10800 | 4400 | 50 |
| 207 | 4320p | 64∶27 | 4∶3 | 2376.0 | 60 | 264 | 7680 | 4320 | 9000 | 4400 | 60 |
| 208 | 4320p100 | 64∶27 | 4∶3 | 4752.0 | 100 | 450 | 7680 | 4320 | 10560 | 4500 | 100 |
| 209 | 4320p120 | 64∶27 | 4∶3 | 4752.0 | 119.88/120 | 540 | 7680 | 4320 | 8800 | 4500 | 120 |
| 210 | 4320p2x24 | 64∶27 | 1∶1 | 1485.0 | 23.98/24 | 118.8 | 10240 | 4320 | 12500 | 4950 | Low |
| 211 | 4320p2x25 | 64∶27 | 1∶1 | 1485.0 | 25 | 110 | 10240 | 4320 | 13500 | 4400 | Low |
| 212 | 4320p2x30 | 64∶27 | 1∶1 | 1485.0 | 29.97/30 | 135 | 10240 | 4320 | 11000 | 4500 | Low |
| 213 | 4320p2x48 | 64∶27 | 1∶1 | 2970.0 | 47.96/48 | 237.6 | 10240 | 4320 | 12500 | 4950 | Low |
| 214 | 4320p2x50 | 64∶27 | 1∶1 | 2970.0 | 50 | 220 | 10240 | 4320 | 13500 | 4400 | 50 |
| 215 | 4320p2x | 64∶27 | 1∶1 | 2970.0 | 60 | 270 | 10240 | 4320 | 11000 | 4400 | 60 |
| 216 | 4320p2x100 | 64∶27 | 1∶1 | 5940.0 | 100 | 450 | 10240 | 4320 | 13200 | 4500 | 100 |
| 217 | 4320p2x120 | 64∶27 | 1∶1 | 5940.0 | 119.88/120 | 540 | 10240 | 4320 | 11000 | 4500 | 120 |
| 218 | 2160p100 | 256∶135 | 1∶1 | 1188.0 | 100 | 225 | 4096 | 2160 | 5280 | 2250 | 100 |
| 219 | 2160p120 | 256∶135 | 1∶1 | 1188.0 | 119.88/120 | 270 | 4096 | 2160 | 4400 | 2250 | 120 |
Notes: Parentheses indicate instances where pixels are repeated to meet the minimum speed requirements of the interface. For example, in the 720x240p case, the pixels on each line are double-clocked. In the (2880)x480i case, the number of pixels on each line, and thus the number of times that they are repeated, is variable, and is sent to the DTV monitor by the source device.
Increased Hactive expressions include “2x” and “4x” indicate two and four times the reference resolution, respectively.
Video modes with vertical refresh frequency being a multiple of 6 Hz (i.e. 24, 30, 60, 120, and 240 Hz) are considered to be the same timing as equivalent NTSC modes where vertical refresh is adjusted by a factor of 1000/1001. As VESA DMT specifies 0.5% pixel clock tolerance, which 5 times more than the required change, pixel clocks can be adjusted to maintain NTSC compatibility; typically, 240p, 480p, and 480i modes are adjusted, while 576p, 576i and HDTV formats are not.
* The EIA/CEA-861 and 861-A standards included only numbers 1–7 and numbers 17–22 (only in -A) above (but not as short video descriptors which were introduced in EIA/CEA-861-B) and are considered primary video format timings.
* The EIA/CEA-861-B standard has the first 34 short video descriptors above. It is used by HDMI 1.0–1.2a.
* The EIA/CEA-861-C and -D standards have the first 59 short video descriptors above. EIA/CEA-861-D is used by HDMI 1.3–1.3c.
* The EIA/CEA-861-E standard has the first 64 short video descriptors above. It is used by HDMI 1.4–1.4b.
* The CTA-861-F standard has the first 107 short video descriptors above. It is used by HDMI 2.0–2.0b.
* The CTA-861-G standard has the full list of 154 (1–127, 193–219) short video descriptors above. It is used by HDMI 2.1.

#### Audio Data Blocks

The Audio Data Blocks contain one or more 3-byte Short Audio Descriptors (SADs). Each SAD details audio format, channel number, and bitrate/resolution capabilities of the display as follows:
Short Audio Descriptor :
| Byte | Description | Description |
| 0 | Data block header | Data block header |
| 1 | Format and number of channels: | Format and number of channels: |
| 1 | Bit 7 | Reserved, 0 |
| 1 | Bit 6–3 | Audio format code 0000 0: reserved 0001 1: Linear pulse-code modulation (LPCM) 0010 2: AC-3 0011 3: MPEG-1 (Layers 1 and 2) 0100 4: MP3 0101 5: MPEG-2 0110 6: AAC LC 0111 7: DTS 1000 8: ATRAC 1001 9: DSD (One-Bit) Audio, Super Audio CD 1010 10: DD+ 1011 11: DTS-HD 1100 12: MAT/MLP/Dolby TrueHD 1101 13: DST Audio 1110 14: Microsoft WMA Pro 1111 15: Extension, see Byte 3 |
| 1 | Bit 2–0 | Number of channels minus 1 000 1 channel 001 2 channels 010 3 channels 011 4 channels 100 5 channels 101 6 channels 110 7 channels 111 8 channels |
| 2 | Sampling frequencies (kHz) supported: | Sampling frequencies (kHz) supported: |
| 2 | Bit 7 | Reserved, 0 |
| 2 | Bit 6 | 192 |
| 2 | Bit 5 | 176 |
| 2 | Bit 4 | 96 |
| 2 | Bit 3 | 88 |
| 2 | Bit 2 | 48 |
| 2 | Bit 1 | 44.1 |
| 2 | Bit 0 | 32 |
| 3 | Bitrate / format dependent: | Bitrate / format dependent: |
| For codec 1, LPCM: ||
| 3 | Bits 7–3 | Reserved |
| 3 | Bit 2 | 24-bit depth |
| 3 | Bit 1 | 20-bit depth |
| 3 | Bit 0 | 16-bit depth |
| For audio format codecs 2–8, the maximum supported bitrate in bit/s, divided by 8000. ||
| For audio format codecs 9–14, format dependent value. ||
| For audio format codec 15 (Extension): ||
| 3 | Bit 7–3 | Audio format extended code 00000 0: reserved 00001 1: Not used 00010 2: Not used 00011 3: Not used 00100 4: MPEG-4 HE AAC 00101 5: MPEG-4 HE AAC v2 00110 6: MPEG-4 AAC LC 00111 7: DRA 01000 8: MPEG-4 HE AAC + MPEG Surround 01001 9: reserved 01010 10: MPEG-4 HE AAC LC + MPEG Surround 01011 11: MPEG-H 3D Audio 01100 12: AC-4 01101 13: Linear pulse-code modulation (LPCM 3D Audio) 01110 14: Auro-Cx 01111 15: MPEG-D USAC else reserved |
| 3 | Bits 2–0 | format dependent value |

#### Vendor Specific Data Block

A Vendor Specific Data Block (if any) contains as its first three bytes the vendor's IEEE 24-bit registration number, least significant byte first. The remainder of the Vendor Specific Data Block is the "data payload", which can be anything the vendor considers worthy of inclusion in this EDID extension block. For example, IEEE registration number 00 0C 03 means this is a "HDMI Licensing, LLC" specific data block (contains HDMI 1.4 info), C4 5D D8 means this is a "HDMI Forum" specific data block (contains HDMI 2.0 info), 00 D0 46 means this is "DOLBY LABORATORIES, INC." (contains Dolby Vision info) and 90 84 8b is "HDR10+ Technologies, LLC" (contains HDR10+ info as part of HDMI 2.1 Amendment A1 standard). It starts with a two byte source physical address, least significant byte first. The source physical address provides the CEC physical address for upstream CEC devices. HDMI 1.3a specifies some requirements for the data payload.
Vendor Specific Data Block for "HDMI Licensing LLC" :
| Byte | Description | Description |
| 0 | Data block header | Data block header |
| 1–3 | IEEE Registration Identifier (little endian) | IEEE Registration Identifier (little endian) |
| 4–5 | Components of Source Physical Address | Components of Source Physical Address |
| 6 | (optional) 1, supported; 0, unsupported: | (optional) 1, supported; 0, unsupported: |
| 6 | Bit 7 | A function that needs info from ACP or ISRC packets |
| 6 | Bit 6 | 16-bit-per-channel deep color (48-bit) |
| 6 | Bit 5 | 12-bit-per-channel deep color (36-bit) |
| 6 | Bit 4 | 10-bit-per-channel deep color (30-bit) |
| 6 | Bit 3 | 4∶4∶4 in deep color modes |
| 6 | Bit 2 | Reserved, 0 |
| 6 | Bit 1 | Reserved, 0 |
| 6 | Bit 0 | DVI Dual Link Operation |
| 7 | (optional) Maximum TMDS frequency. 0, unspecified; else, Max_TMDS_Frequency / 5 MHz | (optional) Maximum TMDS frequency. 0, unspecified; else, Max_TMDS_Frequency / 5 MHz |
| 8 | (optional) Latency fields indicators 1, present; 0, absent: | (optional) Latency fields indicators 1, present; 0, absent: |
| 8 | Bit 7 | Latency fields |
| 8 | Bit 6 | Interlaced latency fields. Absent if latency fields are absent. |
| 8 | Bits 5–0 | Reserved, 0 |
| 9 | Video latency | optional; if indicated, value = 1 + ms/2 with a max. of 251 meaning 500 ms |
| 10 | Audio latency (video delay for progressive sources) | optional; if indicated, value = 1 + ms/2 with a max. of 251 meaning 500 ms |
| 11 | Interlaced video latency | optional; if indicated, value = 1 + ms/2 with a max. of 251 meaning 500 ms |
| 12 | Interlaced audio latency (video delay for interlaced sources) | optional; if indicated, value = 1 + ms/2 with a max. of 251 meaning 500 ms |
| 13+ | Additional bytes may be present, but the HDMI spec. says they shall be 00. | Additional bytes may be present, but the HDMI spec. says they shall be 00. |

#### Speaker Allocation Data Block

If a Speaker Allocation Data Block is present, it will consist of three bytes. The first and second bytes contain information about which speakers (or speaker pairs) are present in the display device:
Speaker Allocation Data Block :
| Byte | Description | Description |
| 0 | Data block header | Data block header |
| 1 | 1, present; 0, absent: | 1, present; 0, absent: |
| 1 | Bit 7 | Front left/right wide (FLw/FRw) |
| 1 | Bit 6 | Deprecated, was Rear left/right center (RLC/RRC) |
| 1 | Bit 5 | Front left/right center (FLc/FRc) |
| 1 | Bit 4 | Back center (BC) |
| 1 | Bit 3 | Back left/right (BL/BR) |
| 1 | Bit 2 | Front center (FC) |
| 1 | Bit 1 | Low-frequency effects (LFE) |
| 1 | Bit 0 | Front left/right (FL/FR) |
| 2 |
| 2 | Bit 7 | Deprecated, was Top side left/right (TpSiL/TpSiR) |
| 2 | Bit 6 | Deprecated, was Side left/right (SiL/SiR) |
| 2 | Bit 5 | Deprecated, was Top back center (TpBC) |
| 2 | Bit 4 | Deprecated, was Low-frequency effects 2 (LFE2) |
| 2 | Bit 3 | Left surround/right surround (LS/RS) |
| 2 | Bit 2 | Top front center (TpFC) |
| 2 | Bit 1 | Top center (TpC) |
| 2 | Bit 0 | Top front left/right (TpFL/TpFR) |
| 3 | Bits 7-3 | Reserved, 0 |
| 3 | Bit 2 | Deprecated, was Bottom front left/right (BtFL/BtFR) |
| 3 | Bit 1 | Deprecated, was Bottom front center (BtFC) |
| 3 | Bit 0 | Deprecated, was Top back left/right (TpBL/TpBR) |
Some speaker flags have been deprecated in the SADB, but are still available in the RCDB's SPM. These speakers could not be indicated with a CA value in the Audio InfoFrame, and can only be used with Delivery According to the Speaker Mask, which corresponds to the RCDB only.

#### Room Configuration Data Block

The Room Configuration Data Block and Speaker Location Data Blocks describe the speaker setup using room coordinates.
Room Configuration Data Block :
| Byte | Description | Description |
| 0 | Data block header | Data block header |
| 0 | Bits 7-5 | 111=7, block type tag |
| 0 | Bits 4-0 | Length of payload data that follows this block, in bytes |
| 1 | 13 = extended tag code | 13 = extended tag code |
| 3 | Configuration | Configuration |
| 3 | Bit 7 | Display data is valid |
| 3 | Bit 6 | Speaker count is valid |
| 3 | Bit 5 | Speaker location descriptors (SLD) are present |
| 3 | Bits 4-0 | Speaker count (1-32) |
| 4 | Speaker presence mask 1 (SPM1): 1, present; 0, absent | Speaker presence mask 1 (SPM1): 1, present; 0, absent |
| 4 | Bit 7 | Front left/right wide (FLw/FRw) |
| 4 | Bit 6 | Deprecated, was Rear left/right center (RLC/RRC) |
| 4 | Bit 5 | Front left/right center (FLc/FRc) |
| 4 | Bit 4 | Back center (BC) |
| 4 | Bit 3 | Back left/right (BL/BR) |
| 4 | Bit 2 | Front center (FC) |
| 4 | Bit 1 | Low-frequency effects 1 (LFE1) |
| 4 | Bit 0 | Front left/right (FL/FR) |
| 5 | Speaker presence mask 2 (SPM2): 1, present; 0, absent | Speaker presence mask 2 (SPM2): 1, present; 0, absent |
| 5 | Bit 7 | Top side left/right (TpSiL/TpSiR) |
| 5 | Bit 6 | Side left/right (SiL/SiR) |
| 5 | Bit 5 | Top back center (TpBC) |
| 5 | Bit 4 | Low-frequency effects 2 (LFE2) |
| 5 | Bit 3 | Left/right surround (LS/RS) |
| 5 | Bit 2 | Top front center (TpFC) |
| 5 | Bit 1 | Top center (TpC) |
| 5 | Bit 0 | Top front left/right (TpFL/TpFR) |
| 6 | Speaker presence mask 3 (SPM3): 1, present; 0, absent | Speaker presence mask 3 (SPM3): 1, present; 0, absent |
| 6 | Bits 7-4 | Reserved, 0 |
| 6 | Bit 3 | Deprecated, was Top left/right surround (TpLS/TpRS) |
| 6 | Bit 2 | Bottom front left/right (BtFL/BtFR) |
| 6 | Bit 1 | Bottom front center (BtFC) |
| 6 | Bit 0 | Top back left/right (TpBL/TpBR) |
| 7-9 | Maximum distance from the primary listening position to the farthest speakers along X, Y, Z axes, if speaker location descriptors (SLD) blocks are present; otherwise 00 = undefined | Maximum distance from the primary listening position to the farthest speakers along X, Y, Z axes, if speaker location descriptors (SLD) blocks are present; otherwise 00 = undefined |
| 10-13 | Distance from the primary listening position to the center of display along X, Y, Z axes; 00 = undefined when display data flag is not set | Distance from the primary listening position to the center of display along X, Y, Z axes; 00 = undefined when display data flag is not set |