Some technical info to baffle the
majority of you I am sure, but very
useful if you are into messing around
with disc formats.
Acorn DOS boot disc (disc 1)
Capacity 640 K
Sectors per track 16
Bytes per sector 256
Directory entries 112
Sectors per cluster 8=2048 bytes
Reserved tracks 0
Number of FATs 2
Acorn 512 DOS Plus
Capacity 800 K
Sectors per track 5
Bytes per sector 1024
Directory entries 192
Sectors per cluster 1=1024 bytes
Reserved tracks 0
Number of FATs 2
Acorn Z80
Capacity 400 K
Sectors per track 10
Bytes per sector 256
Directory entries 128
Sectors per cluster 8=2048 bytes
Reserved tracks 1
Archimedes MS DOS 800 K
Capacity 800 K
Sectors per track 5
Bytes per sector 1024
Directory entries 192
Sectors per cluster 1=1024 bytes
Reserved tracks 0
Number of FATs 2
Almarc Spirit 16 790 K
Sectors per track 9
Bytes per sector 512
Directory entries 128
Sectors per cluster 4=2048 bytes
Reserved tracks 2
Altos 586 720 K
Sectors per track 9
Bytes per sector 512
Directory entries 176
Sectors per cluster 4=2048 bytes
Reserved tracks 2
Gemini 790 K CP/M
Sectors per track 10
Bytes per sector 512
Directory entries 128
Sectors per cluster 8=4096 bytes
Reserved tracks 2
IBM PC CP/M-86 Single sided 160 K
Sectors per track 8
Bytes per sector 512
Directory entries 64
Sectors per cluster 2=1024 bytes
Reserved tracks 0
IBM PC CP/M-86 Double sided 320 k
Sectors per track 8
Bytes per sector 512
Directory entries 128
Sectors per cluster 4=2048 bytes
Reserved tracks 1
IBM PC DOS 160 K
Sectors per track 8
Bytes per sector 512
Directory entries 64
Sectors per cluster 1=512 bytes
Reserved tracks 0
Number of FATs 2
IBM PC DOS 180 K
Sectors per track 9
Bytes per sector 512
Directory entries 64
Sectors per cluster 1=512 bytes
Reserved tracks 0
Number or FATs 2
IBM PC DOS 320 k
Sectors per track 8
Bytes per sector 512
Directory entries 112
Sectors per cluster 2=1024 bytes
Reserved tracks 0
number of FATs 2
IBM PC DOS 360 K
Sectors per track 9
Bytes per sector 512
Directory entries 112
Sectors per cluster 2=1024 bytes
Reserved tracks 0
Number of FATs 2
ICL PC 720K CP/M
Sectors per track 9
Bytes per sector 512
Directory entries 128
Sectors per cluster 4=2048 bytes
Reserved tracks 4
Motorola VME/10 CP/M-86 320 K
Sectors per track 8
Bytes per sector 256
Directory entries 128
Sectors per cluster 8=2048 bytes
Reserved tracks 2
Nokia PC MS DOS 720 K
Sectors per track 9
Bytes per sector 512
Directory entries 144
Sectors per cluster 2=1024 bytes
Reserved tracks 0
Number of FATs 2
Otrona Attache 400 K
Sectors per track 10
Bytes per sector 512
Directory entries 128
Sectors per cluster 2=1024 bytes
Reserved tracks 1
Proteus 800 K
Sectors per track 10
Bytes per sector 512
Directory entries 128
Sectors per cluster 8=4096 bytes
Reserved tracks 2
Philips PG 900 GEMDOS 640 K
Sectors per track 16
Bytes per sector 256
Directory entries 128
Sectors per cluster 4=1024 bytes
Reserved tracks 2
Number of FATs 2
RML Nimbus MS DOS 720 K
Sectors per track 9
Bytes per sector 512
Directory entries 112
Sectors per cluster 2=1024 bytes
Reserved tracks 0
Number of FATs 2
Tandy Model 2000 MS DOS 720 K
Sectors per track 9
Bytes per sector 512
Directory entries 112
Sectors per cluster 4=2048 bytes
Reserved tracks 0
Number of FATs 2