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2 reset disk subsystem (fn 00h), Em (see 8.2) – Western Digital T13/2132-D User Manual

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T13/2132-D Revision 3

June 23, 2010

30

Working Draft Enhanced Disk Drive - 4 (EDD-4)

8.2 Reset Disk Subsystem (FN 00h)

This function shall be used to reset all the devices controlled by the INT 13h interface.

Entry

AH 00h

DL BIOS device number

Exit

Carry Clear Function completed without error

AH Shall be cleared to zero

Carry Set Function completed with an error

AH Shall be set to the error code