HP Compaq DC7800

* Intel Celeron 420 Processor (1.6-GHz, 512K L2 cache, 800-MHz FSB)
* Intel Celeron 430 Processor (1.8-GHz, 512K L2 cache, 800-MHz FSB)
* Intel Celeron 440 Processor (2.0-GHz, 512K L2 cache, 800-MHz FSB)

* Intel Celeron Dual-Core E1200 (1.6-GHz, 512K L2 cache, 800-MHz FSB)
* Intel Celeron Dual-Core E1400 (2.0-GHz, 512K L2 cache, 800-MHz FSB)

* Intel Pentium Dual-Core E2160 Processor (1.8-GHz, 1-MB L2 cache, 800-MHz FSB)
* Intel Pentium Dual-Core E2180 Processor (2.0-GHz, 1-MB L2 cache, 800-MHz FSB)
* Intel Pentium Dual-Core E2200 Processor (2.2-GHz, 1-MB L2 cache, 800-MHz FSB)
* Intel Pentium Dual-Core E5200 Processor (2.5-GHz, 2MB L2 cache, 800-MHz FSB)

* Intel Core 2 Duo E4500 Processor (2.20-GHz, 2 MB L2 cache, 800-MHz FSB)
* Intel Core 2 Duo E4600 Processor (2.40-GHz, 2 MB L2 cache, 800-MHz FSB)
* Intel Core 2 Duo E4700 Processor (2.6-GHz, 2 MB L2 cache, 800-MHz FSB)
* Intel Core 2 Duo E6550 Processor (2.33-GHz, 4 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E6750 Processor (2.66-GHz, 4 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E6850 Processor (3.0-GHz, 4 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E7200 Processor (2.53 GHz, 3 MB L2 cache, 1066 MHz FSB)
* Intel Core 2 Duo E7300 Processor (2.66 GHz, 3MB L2 cache, 1066 MHz FSB)
* Intel Core 2 Duo E8200 Processor (2.66-GHz, 6 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E8300 Processor (2.83-GHz, 6 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E8400 Processor (3.00-GHz, 6 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E8500 Processor (3.16-GHz, 6 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Duo E8600 Processor (3.33-GHz, 6 MB L2 Cache, 1333-MHz FSB)

* Intel Core 2 Quad Q6600 Processor (2.40-GHz, 8 MB L2 cache, 1066-MHz FSB)
* Intel Core 2 Quad Q6700 Processor (2.66-GHz, 8 MB L2 cache, 1066-MHz FSB)
* Intel Core 2 Quad Q8200 Processor (2.33-GHz, 4 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Quad Q9300 Processor (2.50-GHz, 6 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Quad Q9450 Processor (2.66-GHz, 12 MB L2 cache, 1333-MHz FSB)
* Intel Core 2 Quad Q9550 Processor (2.83-GHz, 12 MB L2 cache, 1333-MHz FSB)

### **Memory**

**NOTE:** Windows Vista for most editions need 1GB of RAM or higher, If you want a Windows Vista computer with 512MB of RAM, get the one with Windows Vista Home Basic, because Windows Vista Home Basic needs 512MB of RAM or higher.

* 512-MB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 512)
* 1-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 1GB)
* 1-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 512)
* 2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 2GB)
* 2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 1GB)
* 2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (4 x 512) (does not support USDT models)
* 3-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (3 x 1GB) (does not support USDT models)
* 4-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (4 x 1GB) (does not support USDT models)
* 4-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 2GB)
* 8-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (4 x 2GB) (does not support USDT models)
* 512-MB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 512)
* 1-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 1GB)
* 1-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 512)
* 2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 2GB)
* 2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 1GB)

* 2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 512) (does not support USDT models)
* 3-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (3 x 1GB) (does not support USDT models)
* 4-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 1GB) (does not support USDT models)
* 4-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 2GB)
* 8-GB DDR2 Synch Dram PC2-5300 (667-Mhz) Non ECC (4 x 2GB) (does not support USDT models)

### **Hard Drive**

* 80-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart III) (does not support SFF or MT models)
* 80-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 5400 RPM, NCQ, Smart III) (does not support SFF or MT models)
* 160-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart III) (does not support SFF or MT models)

* 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 500-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 80-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) (does not support USDT models)
* 160-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) (does not support USDT models)
* 3.5” Removable 80-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 3.5” Removable 160-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 3.5” Removable 250-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* RAID 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* RAID 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* RAID 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 2nd hard drive, 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 2nd hard drive, 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 2nd hard drive, 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)
* 2nd hard drive, 500-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 7200 RPM, NCQ, Smart IV) (does not support USDT models)

* 2nd hard drive, 80-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) (does not support USDT or SFF models)
* 2nd hard drive, 160-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) (does not support USDT or SFF models)

### **Solid State Drive**

* 16 GB Solid State Drive (not supported on SFF or MT models)

### **Diskette Drives**

* 1.44-MB Diskette Drive (does not support USDT models)

### **Optical Drives**

**NOTE:** The optical drives on the list does not support USDT models

* SATA DVD-ROM Drive
* SATA CD-RW/DVD-ROM Combo Drive
* SATA SuperMulti LightScribe DVD Writer Drive

### **Slimline Optical Drives**

**NOTE:** The optical drives on the list does not support SFF or MT models

* PATA DVD-ROM Slim Drive
* PATA CD-RW/DVD-ROM Combo Slim Drive
* PATA Slim SuperMulti LightScribe DVD Writer

### **Media Card Reader**

**NOTE:** The optical drives on the list does not support USDT models

* HP 16-in-1 3.5" Media Card Reader
* HP 16-in-1 5.25" Media Card Reader
* HP 22-in-1 3.5" Media Card Reader

### **Security**

* Integrated 1.2 TPM Embedded Security Chip
* Drive Lock
* HP ProtectTools Embedded Security Software
* Serial, Parallel, USB Enable/Disable (via BIOS)
* Removable Media Write/Boot Control
* Power-On Password (via BIOS)
* Setup Password (via BIOS)

### **NIC**

* Intel 82566DM Gigabit Network Connection (integrated on system board)

* Intel PRO/1000 PT PCIe Gigabit NIC (full height bracket) (does not support USDT or SFF models)
* Intel PRO/1000 PT PCIe Gigabit NIC (low profile bracket) (does not support USDT or MT models)
* Broadcom NetXtreme Gigabit PCIe NIC (full height bracket) (does not support USDT or SFF models)
* Broadcom NetXtreme Gigabit PCIe NIC (low profile bracket) (does not support USDT or MT models)

### **Wireless**

* Wireless A+G PCI Card (full height bracket) (does not support USDT models)
* Wireless A+G PCI Card (low profile bracket) (does not support USDT or MT models)
* Broadcom 4311BG 802.11b/g WiFi Adapter (does not support SFF or MT models)
* Mini PCIe wireless (does not support SFF or MT models)

### **Graphics**

* Integrated Intel Graphics Media Accelerator 3100
* Integrated DVI-D (does not support SFF or MT models)
* HP ADD2 SDVO PCIe DVI-D adapter (does not support USDT models)
* ATI Radeon X1600XT 256MB dual head graphics adapter (PCIe x16) (does not support USDT or SFF models)
* ATI Radeon HD 2400XT (256MB DH) PCIe Graphics Card (does not support USDT models)
* ATI Radeon HD 3470 (256 SH) PCIe x16 Graphics Card (does not support USDT models)
* ATI Radeon HD 3650 (512MB DH) PCIe x16 Graphics Card (does not support USDT or SFF models)

* NVIDIA GF 8400 GS 256MB single head graphics adapter (PCIe x16) (does not support USDT models)
* NVIDIA GF 8400 GS 256MB dual head graphics adapter (PCIe x1) (does not support USDT models)
* NVIDIA Quadro NVS 290 256MB dual head PCIe x16 Graphics Card (does not support USDT models)
* NVIDIA Quadro NVS 290 256MB dual head x 1 PCIe Graphics Card (does not support USDT models)

### **Audio**

* Integrated High Definition audio with ADI1884 codec (all ports are stereo)
* Microphone and Headphone front ports
* Line-out and Line-In rear ports
* Multistreaming capable
* Internal Speaker
* HP Thin USB Powered Speakers (does not support MT models)

### **Miscellaneous**

* HP FireWire / IEEE 1394 PCI Card (full height) (does not support USDT models)
* HP FireWire / IEEE 1394 PCI Card (low profile) (does not support USDT or MT models)
* PCI riser card – adds 2 full-height PCI slots (does not support USDT or MT models)

* 2nd serial port adapter (full height) (does not support USDT or SFF models)
* 2nd serial port adapter (low profile) (does not support USDT or MT models)

* Tower stand (not available for MT models)

* Configure dc7800 CMT in desktop orientation (does not support USDT or SFF models)
* Rear Port Control Cover (does not support SFF or MT models)
* 1-GB Flash Module for ReadyBoost

### **Operating System**

* Genuine Windows Vista Business 32-bit
* Genuine Windows Vista Business 64-bit
* Genuine Windows Vista Home Basic 32-bit
* Genuine Windows Vista Business 32-bit downgrade to Genuine Windows XP Professional
* Genuine Windows XP Professional
* Genuine Windows Vista Service Pack 1 Tier 1
	+ Windows 10 Pro 64x Bit
	+ FREEPIT

#### **Note About Support for Linux Operating Systems**

**The Following Features are not supported on Linux (that includes FreeDOS, because FreeDOS is a linux-based operating system)**

* HP 16-in-1 Media Card Reader
* Intel PRO/1000 PT PCIe Gigabit NIC
* Broadcom NetXtreme Gigabit PCIe NIC
* Wireless A+G PCI Card
* Mini PCIe wireless
* HP BT450 USB Bluetooth Wireless Printer and PC adapter
* Agere 2006 PCI 56K International SoftModem
* ATI Radeon X1600XT 256MB dual head graphics adapter
* NVIDIA GF 8400 GS 256MB single head graphics adapter
* NVIDIA GF 8400 GS 256MB dual head graphics adapter
* NVIDIA Quadro NVS 290 256MB dual head graphics adapter
* HP USB Smartcard Keyboard
* HP 2nd Serial Port
* HP FireWire / IEEE 1394 PCI Card