<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >DOS</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Bochs User Manual" HREF="book1.html"><LINK REL="UP" TITLE="Guest operating systems" HREF="c3699.html"><LINK REL="PREVIOUS" TITLE="FreeBSD 5.2.1" HREF="x3733.html"><LINK REL="NEXT" TITLE="Windows NT 4.0" HREF="x3818.html"></HEAD ><BODY CLASS="SECTION" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Bochs User Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x3733.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Guest operating systems</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x3818.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECTION" ><H1 CLASS="SECTION" ><A NAME="GUEST-DOS" >DOS</A ></H1 ><P >You must read the message regarding software licenses in <A HREF="x74.html" >the Section called <I >Third Party Software Licensing and Temporary Files</I > in the Chapter called <I >Introduction to Bochs</I ></A > before you install or use MS-DOS, OS/2, DR-DOS, or any other DOS as a guest operating system in Bochs.</P ><DIV CLASS="SECTION" ><H2 CLASS="SECTION" ><A NAME="AEN3790" >Accessing your CDROM</A ></H2 ><P >To access your CDROM in DOS, you must download an IDE CDROM driver. Bochs emulates a very generic CDROM drive, and several drivers are known to work. Others don't. This section describes how to set up your <TT CLASS="FILENAME" >config.sys</TT > and <TT CLASS="FILENAME" >autoexec.bat</TT > to enable the CDROM.</P ><P >The drivers that have been reported to work are <TT CLASS="FILENAME" >OAKCDROM.SYS</TT > that comes with several versions of Windows and <TT CLASS="FILENAME" >SBIDE.SYS</TT > version 1.21 from Creative Labs<A NAME="AEN3798" HREF="#FTN.AEN3798" ><SPAN CLASS="footnote" >[1]</SPAN ></A > and OAKCDROM.SYS that comes with several versions of Windows. Copy the driver to your boot disk, and then set up the startup files as follows.</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="SCREEN" >config.sys: device=himem.sys device=oakcdrom.sys /D:CD001 -or- device=sbide.sys /D:CD001 /P:1f0,14,3f6 autoexec.bat: mscdex.exe /M:10 /D:CD001</PRE ></TD ></TR ></TABLE ><P >If the files mentioned in <TT CLASS="FILENAME" >config.sys</TT > and <TT CLASS="FILENAME" >autoexec.bat</TT > are not in the root directory, give the full pathname, like <TT CLASS="FILENAME" >c:\windows\himem.sys</TT >.</P ></DIV ><DIV CLASS="SECTION" ><H2 CLASS="SECTION" ><A NAME="AEN3807" >SB16 driver for DOS</A ></H2 ><P >To use the SB16 device in DOS you need to load a driver for it. The file <TT CLASS="FILENAME" >SBBASIC.EXE</TT > contains a self-extracting archive with all required file. After unpacking it to <CODE CLASS="VARNAME" >C:\SB16</CODE > you can execute <TT CLASS="FILENAME" >INSTALL.EXE</TT > to install the driver. The file <TT CLASS="FILENAME" >DISK.ID</TT > should contain the version string <CODE CLASS="VARNAME" >SDR-31STD-1-US (Revision 1)</CODE >.</P ></DIV ><DIV CLASS="SECTION" ><H2 CLASS="SECTION" ><A NAME="AEN3815" >Bootdisks of early DOS versions</A ></H2 ><P >On the Web there are bootdisks available for most of the DOS versions ever released, but some of them have been reported to fail in Bochs. The bootdisk for MS-DOS 1.25 contains a boot sector of a newer DOS version, so it would fail on real hardware, too. The floppy image for MS-DOS 2.11 has a boot sector that tries to boot from hard disk instead of the floppy.</P ></DIV ></DIV ><H3 CLASS="FOOTNOTES" >Notes</H3 ><TABLE BORDER="0" CLASS="FOOTNOTES" WIDTH="100%" ><TR ><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="5%" ><A NAME="FTN.AEN3798" HREF="x3786.html#AEN3798" ><SPAN CLASS="footnote" >[1]</SPAN ></A ></TD ><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="95%" ><P >To get it, go to <A HREF="http://creative.com" TARGET="_top" >Creative Labs web site</A >, click on Support, then click Download Files. You get to a screen where you must select the operating system and the product for which you want the driver. Choose DOS as the operating system, and "CD-ROM: 4x and above" as the product. There are several choices, but you want <TT CLASS="FILENAME" >sbide121.exe</TT > from April 15, 1997. Version 2.0 does not work. The download file is a self-extracting ZIP file, so on DOS or Windows you just run it; on other platforms you can try using the unzip command. The driver is called SBIDE.SYS. </P ></TD ></TR ></TABLE ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x3733.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x3818.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >FreeBSD 5.2.1</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c3699.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Windows NT 4.0</TD ></TR ></TABLE ></DIV ></BODY ></HTML >