186 lines
12 KiB
HTML
186 lines
12 KiB
HTML
<HTML>
|
|
<HEAD>
|
|
<TITLE>Int 15/AH=C7h
|
|
</TITLE>
|
|
<META NAME="Description" CONTENT="
|
|
Int 15/AH=C7h - SYSTEM - later PS/2s - RETURN MEMORY-MAP INFORMATION -
|
|
AH = C7h
|
|
DS:SI - user supplied memory map table (see #00526)
|
|
Return: CF set on error
|
|
CF clear if successful
|
|
Notes: call AH=C0h and examine bit 4 of feature byte 2 to check if this
|
|
function is supported
|
|
IBM classifies this function as optional
|
|
Windows95 OSR2 reportedly does not support this function even though
|
|
INT 15/AH=C0h indicates that it is available (observed on several
|
|
different systems)
|
|
">
|
|
<META NAME="robots" CONTENT="none">
|
|
</HEAD>
|
|
<BODY BGCOLOR="#FFD0A0">
|
|
<center>
|
|
<h2>Int 15/AH=C7h
|
|
</h2>
|
|
</center><p>
|
|
<table border=1 cellpadding=3 cellspacing=1>
|
|
<td>
|
|
<a href="rb-1610.htm" tppabs="http://www.ctyme.com/intr/rb-1610.htm">
|
|
<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
|
|
<a href="rb-1612.htm" tppabs="http://www.ctyme.com/intr/rb-1612.htm">
|
|
<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
|
|
<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
|
|
<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
|
|
<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
|
|
<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
|
|
</td></table><p>
|
|
<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
<h3><font color=#C00040>SYSTEM - later PS/2s - RETURN MEMORY-MAP INFORMATION</font></h3>
|
|
<PRE>
|
|
AH = C7h
|
|
DS:SI -> user supplied memory map table <a href="rb-1611.htm#Table526" tppabs="http://www.ctyme.com/intr/rb-1611.htm#Table526">(see #00526)</a><br>
|
|
<p><b>Return:</b><br>CF set on error
|
|
CF clear if successful
|
|
</PRE>
|
|
<p><b>Notes:</b>
|
|
Call AH=C0h and examine bit 4 of feature byte 2 to check if this
|
|
function is supported.
|
|
IBM classifies this function as optional.
|
|
Windows95 OSR2 reportedly does not support this function even though
|
|
INT 15/AH=C0h indicates that it is available (observed on several
|
|
different systems)
|
|
<p><b>See Also:</b>
|
|
<a href="rb-1594.htm" tppabs="http://www.ctyme.com/intr/rb-1594.htm">AH=C0h</a> - <a href="rb-1613.htm" tppabs="http://www.ctyme.com/intr/rb-1613.htm">AH=C9h</a> - AH=D1h - <a href="rb-1741.htm" tppabs="http://www.ctyme.com/intr/rb-1741.htm">AX=E820h</a>
|
|
<PRE>
|
|
<p>
|
|
Format of memory-map table structure:
|
|
<a name=table526></a>
|
|
Offset Size Description (Table 00526)
|
|
00h WORD length of table (excluding this word)
|
|
02h DWORD local memory between 1M and 16M, in 1K blocks
|
|
06h DWORD local memory between 16M and 4G, in 1K blocks
|
|
0Ah DWORD system memory between 1M and 16M, in 1K blocks
|
|
0Eh DWORD system memory between 16M and 4G, in 1K blocks
|
|
12h DWORD cacheable memory between 1M and 16M, in 1K blocks
|
|
16h DWORD cacheable memory between 16M and 4G, in 1K blocks
|
|
1Ah DWORD 1K blocks before start of non-system memory between 1M and 16M
|
|
1Eh DWORD 1K blocks before start of non-system memory between 16M and 4G
|
|
22h WORD start segment of largest free block from C0000h-DFFFFh
|
|
24h WORD size of largest free block
|
|
26h DWORD reserved
|
|
</PRE>
|
|
<p>
|
|
<b>Category: <a href="cat-003.htm" tppabs="http://www.ctyme.com/intr/cat-003.htm">
|
|
Bios</a>
|
|
- <a href="int-15.htm" tppabs="http://www.ctyme.com/intr/int-15.htm">
|
|
Int 15h</a>
|
|
- <a href="alpha-s.htm" tppabs="http://www.ctyme.com/intr/alpha-s.htm">
|
|
S</a>
|
|
</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
<table border=1 cellpadding=3 cellspacing=1>
|
|
<td>
|
|
<a href="rb-1610.htm" tppabs="http://www.ctyme.com/intr/rb-1610.htm">
|
|
<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
|
|
<a href="rb-1612.htm" tppabs="http://www.ctyme.com/intr/rb-1612.htm">
|
|
<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
|
|
<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
|
|
<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
|
|
<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
|
|
<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
|
|
</td></table><p>
|
|
|
|
<!-- Bottom Link Start -->
|
|
|
|
<center>
|
|
|
|
<p><table border=1 bgcolor="#ffff99"><tr><td>
|
|
<table border=0 height=80>
|
|
<tr align=center><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">
|
|
<img src="tip.gif" tppabs="http://graphics.ctyme.com/gif/tip.gif" ALT="Sponsors" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">Shopping</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">
|
|
<img src="comment.gif" tppabs="http://graphics.ctyme.com/gif/comment.gif" ALT="Forum" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">Forum</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">
|
|
<img src="mail.gif" tppabs="http://graphics.ctyme.com/gif/mail.gif" ALT="email" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">EMail</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">
|
|
<img src="toc.gif" tppabs="http://graphics.ctyme.com/gif/toc.gif" ALT="Index" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">Index</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">
|
|
<img src="home.gif" tppabs="http://graphics.ctyme.com/gif/home.gif" ALT="Home" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">Home</a>
|
|
|
|
</td><td width="90">
|
|
|
|
<center>
|
|
<FORM ACTION="https://secure.paypal.com/cgi-bin/webscr" tppabs="https://secure.paypal.com/cgi-bin/webscr" METHOD="POST" traget="_blank">
|
|
<INPUT TYPE="hidden" NAME="cmd" VALUE="_xclick">
|
|
<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
|
|
<INPUT TYPE="hidden" NAME="return" VALUE="http://www.perkel.com">
|
|
<INPUT TYPE="hidden" NAME="item_name" VALUE="Donation To Support this Site">
|
|
<INPUT TYPE="hidden" NAME="no_intl" VALUE="1">
|
|
<INPUT TYPE="image" SRC="x-click-but7.gif" tppabs="http://images.paypal.com/images/x-click-but7.gif" vspace=9
|
|
NAME="submit" ALT="Make payments with PayPal - it's fast, free and secure!">
|
|
</FORM>
|
|
|
|
</td></tr></table></td></tr></table><p>
|
|
|
|
|
|
<center>
|
|
<p>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/hosting/index.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/hosting/index.htm'" tppabs="http://www.ctyme.com/hosting/index.htm" target="_blank">
|
|
<img src="ctymehost.gif" tppabs="http://graphics.ctyme.com/gif/ctymehost.gif"
|
|
border=3 height=60 width=468></a>
|
|
<p>
|
|
<!-- Ad End --->
|
|
|
|
</center>
|
|
<FORM ACTION="http://service.bfast.com/bfast/click" target="_blank">
|
|
<INPUT TYPE="hidden" NAME="siteid" VALUE="30472466" >
|
|
<INPUT TYPE="hidden" NAME="bfpage" VALUE="horizontal">
|
|
<INPUT TYPE="hidden" NAME="bfmid" VALUE="27253343" >
|
|
<INPUT TYPE="hidden" NAME="num" VALUE="30">
|
|
|
|
<table bgcolor=white border=3><tr><td>
|
|
<table bgcolor=white border=0>
|
|
<tr><td>
|
|
<IMG SRC="serve-bfmid=27253343&siteid=30472466&bfpage=horizontal.gif" tppabs="http://service.bfast.com/bfast/serve?bfmid=27253343&siteid=30472466&bfpage=horizontal" BORDER="0" WIDTH="1" HEIGHT="1" align=right NOSAVE >
|
|
<center><b>Search the web with Google</b></center>
|
|
</td></tr><tr><td>
|
|
<TABLE cellpadding=0 cellspacing=5 bgcolor="#FFFFFF">
|
|
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr><tr><td>
|
|
<IMG SRC="affiliate_logo.gif" tppabs="http://www.google.com/affiliates/affiliate_logo.gif" border="0" ALT="Google" align="center">
|
|
<INPUT TYPE=text name=q size=30 maxlength=255 value="">
|
|
<INPUT type=submit name=sa VALUE="Go">
|
|
</td></tr>
|
|
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr></TABLE>
|
|
</td></tr></table>
|
|
</tr></td></table>
|
|
</FORM>
|
|
|
|
</center>
|
|
|
|
|
|
<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
|
|
<!-- Bottom Link End -->
|
|
|
|
</BODY>
|
|
</HTML>
|