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<TITLE>Int 15/AX=11DEh
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Int 15/AX=11DEh - DESQview - QEXT.SYS - INSTALLATION CHECK -
AX = 11DEh
Return: CF clear if installed
AX = segment at which QEXT.SYS is located
Desc: QEXT.SYS is Quarterdeck's HMA manager for DESQview; more recent
versions also implement the XMS standard
Note: a private entry point (see #00434) may be found by searching the
beginning of the returned segment for the signature string
QUARTERDECK EXTENDED MEMORY MANAGER 286; the word immediately
prior to the signature contains the QEXT version number in BCD,
and the word prior to that contains the offset within the QEXT
">
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<h2>Int 15/AX=11DEh
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<h3><font color=#C00040>DESQview - QEXT.SYS - INSTALLATION CHECK</font></h3>
<PRE>
AX = 11DEh<br>
<p><b>Return:</b><br>CF clear if installed
AX = segment at which QEXT.SYS is located
</PRE>
<p><b>Desc:</b>
QEXT.SYS is Quarterdeck's HMA manager for DESQview; more recent
versions also implement the XMS standard
<p><b>Note:</b>
A private entry point (see #00434) may be found by searching the
beginning of the returned segment for the signature string
"QUARTERDECK EXTENDED MEMORY MANAGER 286"; the word immediately
prior to the signature contains the QEXT version number in BCD,
and the word prior to that contains the offset within the QEXT
code segment of the private entry point
<p><b>See Also:</b>
<a href="rb-4524.htm" tppabs="http://www.ctyme.com/intr/rb-4524.htm">INT 2F/AX=4310h"XMS"</a> - <a href="rb-7414.htm" tppabs="http://www.ctyme.com/intr/rb-7414.htm">INT 67/AH=3Fh</a>
<PRE>
<p>
<a name=table434></a>
(Table 00434)
Call QEXT.SYS private entry point with:.
AH = 00h ???.
AH = nonzero ???
</PRE>
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<b>Category: <a href="cat-024.htm" tppabs="http://www.ctyme.com/intr/cat-024.htm">
Memory Management</a>
- <a href="int-15.htm" tppabs="http://www.ctyme.com/intr/int-15.htm">
Int 15h</a>
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