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<TITLE>Int 13/AH=13h
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Int 13/AH=13h - SyQuest - READ DRIVE PARAMATERS (for DOS 5+) -
AH = 13h
DL = drive ID (bit 7 set for hard disks)
Return: CF set on error
AH = status (07h) (see #00234 at AH=01h)
CF clear if successful
AH = 00h
BL = drive type (AT/PS2 floppies only) (see #00242)
CH = low eight bits of maximum cylinder number
CL = maximum sector number (bits 5-0)
high two bits of maximum cylinder number (bits 7-6)
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<h2>Int 13/AH=13h
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<h3><font color=#C00040>SyQuest - READ DRIVE PARAMATERS (for DOS 5+)</font></h3>
<PRE>
AH = 13h
DL = drive ID (bit 7 set for hard disks)<br>
<p><b>Return:</b><br>CF set on error
AH = status (07h) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00234 at AH=01h)
CF clear if successful
AH = 00h
BL = drive type (AT/PS2 floppies only) <a href="rb-0621.htm#Table242" tppabs="http://www.ctyme.com/intr/rb-0621.htm#Table242">(see #00242)</a>
CH = low eight bits of maximum cylinder number
CL = maximum sector number (bits 5-0)
high two bits of maximum cylinder number (bits 7-6)
DH = maximum head number
DL = number of drives
ES:DI -> drive parameter table (floppies only)
</PRE>
<p><b>Notes:</b>
The return values are identical to the standard INT 13/AH=08h, but the
number of drives is not limited to 2, so.
Scanning all possible drive numbers with the Read DASD Type call
(AH=15h) should generally be preferred to determine the number of
drives attached to the system.
<p><b>See Also:</b>
<a href="rb-0621.htm" tppabs="http://www.ctyme.com/intr/rb-0621.htm">AH=08h"PC"</a> - <a href="rb-0635.htm" tppabs="http://www.ctyme.com/intr/rb-0635.htm">AH=12h"SyQuest"</a> - <a href="rb-0639.htm" tppabs="http://www.ctyme.com/intr/rb-0639.htm">AH=15h</a> - <a href="rb-0737.htm" tppabs="http://www.ctyme.com/intr/rb-0737.htm">AH=59h"SyQuest"</a>
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<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
Disk I/O Enhancements</a>
- <a href="int-13.htm" tppabs="http://www.ctyme.com/intr/int-13.htm">
Int 13h</a>
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