Online HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens
DBT - Disk Base Table (BIOS INT 13)
Offset Size Description
00 byte specify byte 1; step-rate time, head unload time
01 byte specify byte 2; head load time, DMA mode
02 byte timer ticks to wait before disk motor shutoff
03 byte bytes per sector code:
0 - 128 bytes 2 - 512 bytes
1 - 256 bytes 3 - 1024 bytes
04 byte sectors per track (last sector number)
05 byte inter-block gap length/gap between sectors
06 byte data length, if sector length not specified
07 byte gap length between sectors for format
08 byte fill byte for formatted sectors
09 byte head settle time in milliseconds
0A byte motor startup time in eighths of a second
[helppc.bosbyte.nl] DBT