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IBM Personal Computer Technical Reference

Software

Operating Systems

BIOSs

Services

Disk Drive Controller

Int Function Description Version

-----==--==- ----------------------------------------------------- ----------

Int\21f\0D Buffer Flush

Int\21f\32 Drive Parameter Block Read (any drive) *

Int\21f\1F Drive Parameter Block Read (default drive) *

Int\21f\19 Drive Return current

Int\21f\0E Drive Select

Int\21f\1C File Allocation Table Get (any drive)

Int\21f\1B File Allocation Table Get (default drive)

Int\21f\36 Free Space Get

Int\21f\69 Serial Number (DOS 4.0)

Int\21f\2F Transfer Address Get (DTA)

Int\21f\1A Transfer Address Set (DTA)

Int\21f\54 Verification Status Get (VERIFY)

Int\21f\2E Verification Status Set (VERIFY)

Int\13 BIOS Functions

Int\19 Bootstrap Loader

Int\1E Drive Parameters (floppy drive)

Int\25 Absolute Sector Read

Int\26 Absolute Sector Write

Int\40 Hard Disk BIOS

Int\41 Drive Parameters (hard disk #1) (except PC1)

Int\46 Drive Parameters (hard disk #2) (AT, PS/2)

Int\76 Controller IRQ14 (AT, PS/2)

Int\0D Hardware Interrupt Vector (hard disk)

Int\0E Hardware Interrupt Vector (floppy disk)




file: /Techref/bios/dsks.htm, 1KB, , updated: 1999/2/20 11:24, local time: 2024/3/28 13:59,
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