INT 13 - SWBIOS - GET EXTENDED CYLINDER COUNT 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 SeeAlso: AH=EEh