Int 13/AH=0Dh

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HARD DISK - RESET HARD DISKS

AH = 0Dh
DL = drive number (80h = first, 81h = second hard disk)

Return:
CF set on error CF clear if successful AH = status (see #00234)

Notes: Reinitializes the hard disk controller, resets the specified drive's parameters, and recalibrates the drive's heads (seek to track 0). For PS/2 35SX, 35LS, 40SX and L40SX, as well as many other systems, both the master drive and the slave drive respond to the Reset function that is issued to either drive. Not for PS/2 ESDI drives

See Also: AH=00h - INT 21/AH=0Dh

Category: Bios - Int 13h - H

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