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Custom Disk Gap Guidelines
(Pro/AutoPro)
For 5.25" disks:
| Sector size |
Gap |
Format Gap |
| 128 |
0A |
0C |
| 256 |
20 |
32 |
| 512 |
2A |
50 |
| 1024 |
80 |
F0 |
| 2048 |
C8 |
FF |
For 3.5" disks:
| Sector size |
Gap |
Format Gap |
| 256 |
0E |
36 |
| 512 |
1B |
54 |
| 1024 |
35 |
74 |
"Gap" is how many bytes are ignored after reading the last byte
of a sector (the CRC bytes) before looking for the sync bytes (0's) of
the next sector. "Format Gap" is the actual number of "4E" bytes
between each sector put down when formatting. The gap size is also
influenced by how many sectors are on the disk.
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