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255 lines
4.1 KiB
255 lines
4.1 KiB
3 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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>ROM images</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="Setup"
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HREF="setup.html"><LINK
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REL="PREVIOUS"
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TITLE="Setup"
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HREF="setup.html"><LINK
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REL="NEXT"
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TITLE="The configuration file bochsrc"
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HREF="bochsrc.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="setup.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 4. Setup</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="bochsrc.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="ROM-IMAGES"
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>4.2. ROM images</A
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></H1
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><P
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>Just like a real PC, Bochs needs a system BIOS and VGA BIOS to initialize the
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machine when it powers on or after a hardware reset. Bochs needs to load them
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from image file into the emulated memory. The Bochs package contains a set of
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system BIOS and VGA BIOS images.
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<DIV
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CLASS="TABLE"
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><A
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NAME="AEN1608"
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></A
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><P
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><B
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>Table 4-1. System and VGA BIOS images</B
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></P
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><TABLE
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BORDER="1"
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RULES="all"
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CLASS="CALSTABLE"
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><COL><COL><THEAD
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><TR
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><TH
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>File</TH
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><TH
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>Description</TH
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></TR
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></THEAD
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><TBODY
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><TR
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><TD
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>BIOS-bochs-latest </TD
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><TD
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> default ROM BIOS image for Bochs </TD
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></TR
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><TR
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><TD
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>BIOS-bochs-legacy </TD
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><TD
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> ROM BIOS image without 32-bit init code (for i386 and ISA graphics card emulation) </TD
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></TR
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><TR
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><TD
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>bios.bin-1.7.5 </TD
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><TD
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> SeaBIOS ROM image </TD
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></TR
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><TR
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><TD
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>VGABIOS-elpin-2.40 </TD
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><TD
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> legacy VGA BIOS image for Bochs </TD
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></TR
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><TR
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><TD
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>VGABIOS-lgpl-latest </TD
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><TD
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> LGPL'd VGA BIOS image for Bochs </TD
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></TR
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><TR
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><TD
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>VGABIOS-lgpl-latest-debug </TD
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><TD
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> LGPL'd VGA BIOS image for Bochs with debug output to the logfile </TD
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></TR
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><TR
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><TD
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>VGABIOS-lgpl-latest-cirrus </TD
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><TD
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> LGPL'd VGA BIOS image for Bochs with the Cirrus extension enabled </TD
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></TR
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><TR
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><TD
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>VGABIOS-lgpl-latest-cirrus-debug </TD
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><TD
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> LGPL'd VGA BIOS image for Bochs with the Cirrus extension enabled and debug output to the logfile </TD
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></TR
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></TBODY
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></TABLE
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></DIV
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></P
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><P
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>Bochs must be set up to use system and VGA BIOS like this:
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<PRE
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CLASS="SCREEN"
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> romimage: file=BIOS-bochs-latest, address=0xfffe0000
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vgaromimage: file=VGABIOS-lgpl-latest</PRE
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>
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We recommend to use the ROM images distributed with Bochs or one of the latest
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<A
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HREF="http://www.seabios.org/"
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TARGET="_top"
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>SeaBIOS</A
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> images. BIOS images designed
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for real hardware mostly do not work properly. Please see the <A
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HREF="bochsrc.html#BOCHSOPT-ROMIMAGE"
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>Section 4.3.8</A
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>
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for more information.</P
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><P
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>Bochs supports optional ROM images to be loaded into the ISA ROM space,
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typically between C8000 and EFFFF (see <A
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HREF="bochsrc.html#BOCHSOPT-OPTROM"
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>Section 4.3.10</A
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>). The PCI
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versions of the Bochs network adapter emulations support loading a boot ROM into
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the PCI ROM space (see <A
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HREF="bochsrc.html#BOCHSOPT-NE2K"
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>Section 4.3.34</A
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>).</P
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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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|
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ALIGN="LEFT"
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||
|
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WIDTH="100%"><TABLE
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||
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SUMMARY="Footer navigation table"
|
||
|
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WIDTH="100%"
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|
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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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|
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VALIGN="top"
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|
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><A
|
||
|
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HREF="setup.html"
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|
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ACCESSKEY="P"
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||
|
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>Prev</A
|
||
|
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></TD
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||
|
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><TD
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|
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WIDTH="34%"
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|
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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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||
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></TD
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><TD
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||
|
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WIDTH="33%"
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|
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="bochsrc.html"
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|
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ACCESSKEY="N"
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>Next</A
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></TD
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||
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></TR
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|
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><TR
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||
|
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><TD
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WIDTH="33%"
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ALIGN="left"
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|
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VALIGN="top"
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>Setup</TD
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||
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><TD
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||
|
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WIDTH="34%"
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|
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="setup.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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|
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><TD
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||
|
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WIDTH="33%"
|
||
|
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ALIGN="right"
|
||
|
|
VALIGN="top"
|
||
|
|
>The configuration file <TT
|
||
|
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CLASS="FILENAME"
|
||
|
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>bochsrc</TT
|
||
|
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></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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