Table:
text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
Commodore (8-bit) 3½in (90mm) double 512 10 80 2 800KB MFM
Commodore Amiga 3½in (90mm) double 512 11 80 2 880KB MFM
Commodore Amiga 3½in (90mm) high 512 22 80 2 1760KB MFM
IBM PC compatibles 8in single 128 26 77 1 250.25KB MFM
IBM PC compatibles 8in single 128 26 77 2 500.5KB MFM
IBM PC compatibles 8in double 1024 8 77 1 616KB MFM
IBM PC compatibles 8in double 1024 8 77 2 1232KB MFM
IBM PC compatibles 5¼in double 512 8 40 1 160KB MFM
IBM PC compatibles 5¼in double 512 8 40 2 320KB MFM
IBM PC compatibles 5¼in double 512 9 40 1 180KB MFM

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
IBM PC compatibles 5¼in double 512 9 40 2 360KB MFM
IBM PC compatibles 5¼in unknown 512 8 80 1 320KB MFM
IBM PC compatibles 5¼in unknown 512 8 80 2 640KB MFM
IBM PC compatibles 5¼in high 512 15 80 2 1200KB MFM
IBM PC compatibles 3½in (90mm) double 512 8 80 1 320KB MFM
IBM PC compatibles 3½in (90mm) double 512 8 80 2 640KB MFM
IBM PC compatibles 3½in (90mm) double 512 9 80 2 720KB MFM
IBM PC compatibles 3½in (90mm) high 512 18 80 2 1440KB MFM
IBM PC compatibles 3½in (90mm) high 512 21 80 2 1680KB MFM

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
IBM (3740format) 8in single 128 26 74 1 250.25KB FM
Acorn 5¼in single 256 10 40 1 100 KB FM
Acorn 5¼in single 256 10 80 1 200 KB FM
Acorn 5¼in double 256 16 40 1 160 KB MFM
Acorn 5¼in double 256 16 80 1 320 KB MFM
Acorn 5¼in double 256 16 80 2 640 KB MFM
Acorn 3½ in (90mm) double 256 16 80 2 640 KB MFM
Acorn 3½ in (90mm) double 1024 5 80 2 800 KB MFM
Acorn 3½ in (90mm) high 1024 10 80 2 1600 KB MFM

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
Apple II 5¼in double 256 13 35 1 113.75 KB GCR
Apple II 5¼in double 256 13 35 2 227.50 KB GCR
Apple II 5¼in double 256 16 35 1 140 KB GCR
Apple II 5¼in double 256 16 35 2 280 KB GCR
Apple II 3½ in (90mm) double 512 Variable (8-12) 80 1 400 KB GCR
Apple II 3½ in (90mm) double 512 Variable (8-12) 80 2 800 KB GCR
Apple II 3½ in (90mm) high 512 18 80 2 1440 KB MFM
Apple Macintosh 3½ in (90mm) double 512 Variable (8-12) 80 1 400 KB GCR

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
IBM PC compatibles 3½in (90mm) high 512 21 82 2 1720KB MFM
IBM PC compatibles 3½in (90mm) extended 512 36 80 2 2880KB MFM
NEC PC98 8in single 128 26 77 1 250.25KB FM
NEC PC98 8in double 1024 8 77 2 1232KB MFM
NEC PC98 5¼in double 512 8 80 2 640KB MFM
NEC PC98 5¼in double 512 9 80 2 720KB MFM
NEC PC98 5¼in high 512 15 80 2 1200KiB MFM
NEC PC98 5¼in high 1024 8 77(80) 2 1232(1280)KB MFM
NEC PC98 3½in (90mm) double 512 8 80 2 640KB MFM
NEC PC98 3½in (90mm) double 512 9 80 2 720KB MFM

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
Apple Macintosh 3½ in (90mm) double 512 Variable (8-12) 80 2 800 KB GCR
Apple Macintosh 3½ in (90mm) high 512 18 80 2 1440 KB MFM
Atari 8-bit 5¼in single 128 18 40 1 90KB FM
Atari 8-bit 5¼in enhanced 128 26 40 1 127KB MFM
Atari 8-bit 5¼in double 256 18 40 1 180KB MFM
Commodore (8-bit) 5¼in double 256 Variable (17-21) ZCAV 35 1 170KB GCR
Commodore (8-bit) 5¼in double 256 Variable (17-21) ZCAV 35 2 340KB GCR
Commodore (8-bit) 5¼in quad 256 Variable (23-29) ZCAV 77 1 521KB GCR
Commodore (8-bit) 5¼in quad 256 Variable (23-29) ZCAV 77 2 1042KB GCR

text: List of floppy disk formats
Known disk logical formats
Common floppy disk formats, logical characteristics by platform
Platform Size_ Density Bytes_sector Sectors_track Tracks_side Sides Capacity Encoding_
NEC PC98 3½in (90mm) high 512 15 80 2 1200KB MFM
NEC PC98 3½in (90mm) high 1024 8 77(80) 2 1232(1280)KB MFM
NEC PC98 3½in (90mm) high 512 18 80 2 1440KB MFM
SHARP X68000 5¼in high 1024 8 77 2 1232KB MFM
SHARP X68000 3½in (90mm) high 1024 8 77 2 1232KB MFM

Question: What is the encoding if the tracks/side is 80 and the sectors/track is 11 in the list of known logical formats, logical features by platform of the disk? What is encoded?