Category: <b>disk I/O enhancements</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 13 - ESDI FIXED DISK - ???</b>

	AH = 1Ch
	AL = subfunction (01h-06h)
	DL = drive (80h,81h)
	???
Return: ???
Note:	these functions perform a controller command 0612h without DMA
SeeAlso: AX=1C08h,PORT 3510h"ESDI"
</pre>