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303 lines
5.3 KiB
303 lines
5.3 KiB
4 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<HTML
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><HEAD
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><TITLE
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>Notes about VESA usage</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
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REL="HOME"
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TITLE="Bochs User Manual"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Tips and Techniques"
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HREF="howto.html"><LINK
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REL="PREVIOUS"
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TITLE="How to enter special key combination"
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HREF="enter-special-keys.html"><LINK
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REL="NEXT"
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TITLE="Notes about Cirrus SVGA usage"
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HREF="cirrus-notes.html"></HEAD
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><BODY
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CLASS="SECTION"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Bochs User Manual</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="enter-special-keys.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 8. Tips and Techniques</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="cirrus-notes.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECTION"
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><H1
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CLASS="SECTION"
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><A
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NAME="VESA-NOTES"
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>8.16. Notes about VESA usage</A
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></H1
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><P
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> Since Bochs 1.4 it is possible to use VESA graphics. There are some limitations in
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the current implementation, but in general it should work ok (we have run several test
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programs, the XFree86 VESA display driver, etc.)
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</P
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><P
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> In order to use VESA VBE, you need to compile Bochs using the <CODE
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CLASS="OPTION"
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>--enable-vbe</CODE
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>
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option and enable it in your <TT
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CLASS="FILENAME"
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>bochsrc</TT
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> by setting the
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<A
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HREF="bochsrc.html#BOCHSOPT-VGA"
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>vga option</A
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> to <CODE
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CLASS="PARAMETER"
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>vbe</CODE
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>.
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Finally, you need to use the
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<A
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HREF="http://savannah.nongnu.org/projects/vgabios/"
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TARGET="_top"
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>LGPL'd VGABIOS</A
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>
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as <A
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HREF="bochsrc.html#BOCHSOPT-VGAROMIMAGE"
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>vgaromimage option</A
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> for
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applications to correctly detect VESA support.
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</P
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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> The VGABIOS is already included in the Bochs release, so no separate download is necessary.
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</P
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></BLOCKQUOTE
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></DIV
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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> To take advantage of the VBE, you must tell Bochs to use the LGPL'd VGA BIOS
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version 0.4c or higher. A current version of the VGA BIOS will work.
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</P
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></BLOCKQUOTE
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></DIV
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><P
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>Current limitations:
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<P
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></P
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><UL
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><LI
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><P
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> 4bpp modes support is incomplete (8, 15, 16, 24 and 32bpp should work)</P
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></LI
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><LI
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><P
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> banked mode is very slow (if you can, just use Linear Frame Buffering instead!) </P
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></LI
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><LI
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><P
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> only 320x200, 640x400, 640x480, 800x600, 1024x768 are currently supported</P
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></LI
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></UL
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></P
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><P
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>Interesting Facts:
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<P
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></P
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><UL
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><LI
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><P
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> You need a display driver capable of using the VESA BIOS for this to work
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(a recent XFree86 will do, Windows 9x/NT/2K/XP probably will not work 'out of the box'. </P
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></LI
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><LI
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><P
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> Currently the VBE2 extension should be supported ok </P
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></LI
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></UL
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></P
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><DIV
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CLASS="SECTION"
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><H2
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CLASS="SECTION"
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><A
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NAME="AEN3318"
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>8.16.1. Instructions to setup Bochs VBE in Windows Guest OS</A
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></H2
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><P
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>This was contributed by Martin Bochnig in February 2004.</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>Instructions for Win95/98:
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==========================
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I can only confirm that SciTech finally made a VBE driver
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for Windows. It works out of the box, at least with win95
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as guest OS, provided you use Bochs 2.1 with the LGPL
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vgabios.
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Here is how I did it :
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- install win95 with the vga driver.
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- download sdd 7 beta from <A
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HREF="http://www.majorgeeks.com/download382.html"
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TARGET="_top"
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>http://www.majorgeeks.com/download382.html</A
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>
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- download pmhelp.vxd from <A
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HREF="http://unununium.org/viewcvs/snap/redist/release/pmhelp.vxd"
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TARGET="_top"
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>http://unununium.org/viewcvs/snap/redist/release/pmhelp.vxd</A
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>
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- copy pmhelp.vxd to the win95 system directory
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- install sdd7
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800x600 and 1024x768 in 16 and 24 bpp modes here.
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I did not try 32bpp. </PRE
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></TD
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></TR
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></TABLE
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><P
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>This was contributed by Stanislav Shwartsman in September 2004.</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>Instructions for Win2000/XP:
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============================
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Bochs VBE Display Drivers for Windows NT/2000
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<A
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HREF="http://dhenriq.en.eresmas.com/"
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TARGET="_top"
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>http://dhenriq.en.eresmas.com/</A
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></PRE
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></TD
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></TR
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></TABLE
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="enter-special-keys.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="cirrus-notes.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>How to enter special key combination</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="howto.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Notes about Cirrus SVGA usage</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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