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AH = FEh DL = drive number (80h, 81h)
Return:
CF clear DX = number of cylinders beyond 1024 on drive
Program: SWBIOS is a TSR by Ontrack Computer Systems
Notes: Standard INT 13/AH=08h will return a cylinder count truncated to 1024. BIOS without this extension would return count modulo 1024. Disk Manager also supports these calls
See Also: AH=EEh
Category: Disk I/O Enhancements - Int 13h - S
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