Category: <b>BIOS</b>
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<pre><b>INT 13 - HARD DISK - DRIVE DIAGNOSTIC (XT,PS)</b>

	AH = 13h
	DL = drive number (80h = first, 81h = second hard disk)
Return: CF set on error
	CF clear if successful
	AH = status code (see <a href=../../it/34/2.html>#00234</a> at AH=01h)
	AL = 00h
SeeAlso: AH=12h"HARD DISK",AH=14h"HARD DISK"
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