Category: <b>disk I/O enhancements</b>
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<pre><b>INT 13 - IBM/MS INT 13 Extensions - EXTENDED READ</b>

	AH = 42h
	DL = drive number
	DS:SI -&gt; disk address packet (see <a href=../../it/72/2.html>#00272</a>)
Return: CF clear if successful
	    AH = 00h
	CF set on error
	    AH = error code (see <a href=../../it/34/2.html>#00234</a>)
	    disk address packet's block count field set to number of blocks
	      successfully transferred
SeeAlso: AH=02h,AH=41h"INT 13 Ext",AH=43h"INT 13 Ext"

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