mirror of https://github.com/bochs-emu/Bochs
- added Greg Alexander's "how to make a disk image"
This commit is contained in:
Bryce Denney
parent
0cea4900d5
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@ -1,153 +1,8 @@
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$Id: misc.txt,v 1.4 2001-11-13 00:01:57 bdenney Exp $
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$Id: misc.txt,v 1.5 2001-11-14 14:42:04 bdenney Exp $
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This is a temporary place to paste in stuff that should go into the docs one
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day. When it is transferred into docbook, let's remove it from misc.txt.
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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From yakovlev@mac.com Wed Oct 31 14:51:48 2001
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Date: Tue, 09 Oct 2001 12:51:36 -0500
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From: Greg Alexander <yakovlev@mac.com>
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To: bochs-developers@lists.sourceforge.net
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Subject: [Bochs-developers] Documentation - How to make a disk image under
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UNIX/linux
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0.) What you need:
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1.) An executable version of bochs. See "obtaining a bochs executable"
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or "compiling the bochs source"
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2.) The bximage program, included with bochs
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3.) A FreeDOS boot disk, or a boot disk from another OS capable of
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producing DOS partitions (i.e. a linux install disk.)
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4.) (optional) mtools, a program for manipulating DOS disks/images.
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1.) Creating an image file.
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Run `bximage` to create a disk image file. You will be greeted with the
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following prompt:
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========================================================================
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bximage
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Disk Image Creation Tool for Bochs
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$Id: misc.txt,v 1.4 2001-11-13 00:01:57 bdenney Exp $
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========================================================================
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Do you want to create a floppy disk image or a hard disk image?
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Please type hd or fd. [hd]
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Since we are creating a hard disk image, accept the default of hd by
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pressing <enter> or typing 'hd' and pressing <enter>. Next, bximage
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will ask for the size of the disk image you want to create, in
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Megabytes:
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Enter the hard disk size in megabytes, between 1 and 32255
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[10]
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Enter the size of the hard disk you want to create, and press <enter>.
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Bochs will give you some information about the image it is creating, and
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ask you for a filename to use for the file it is creating. I told it to
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use the default of 10 megabytes, and was given the following information
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along with the prompt for a filename:
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[10] 10
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I will create a hard disk image with
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cyl=20
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heads=16
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sectors per track=63
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total sectors=20160
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total size=9.84 megabytes
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What should I name the image?
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[c.img]
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At this point, type in the filename you want to use for the image. The
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default of "c.img" is appropriate if this will be your only hard disk
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image. After you have typed in the name of the filename you want to
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use, press <enter>. Bximage will tell you it is writing the disk and
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will display a status bar as you wait. When it is finished, it will
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give you a final status report and tell you a line that should be added
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to your .bochsrc file when you want to use this disk image. I named my
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10 Megabyte image "teaching.img" and the output of bximage looked like
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this:
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[c.img] teaching.img
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Writing: [..........] Done.
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I wrote 10321920 bytes to teaching.img.
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The following line should appear in your bochsrc:
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diskc: file="teaching.img", cyl=20, heads=16, spt=63
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At this point, a file called "teaching.img" was created in my current
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directory and is ready to be used as an image file for a bochs session.
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2.) Partition and format your image file.
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Option 1: Using FreeDOS (Advantages: Creates a MBR on the partition.)
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First, you need to edit the .bochsrc file that bochs uses for
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configuration information. Open the file .bochsrc with a text editor.
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Remove any lines in the file beginning with "diskc:". Add the "diskc:"
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line that was displayed when you ran bximage to the .bochsrc file in the
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same place that you removed the old "diskc:" lines from.
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Also, you need to download or create a FreeDOS (or DOS, or Windows, or
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linux) disk image. Modify the "floppya:" line in your .bochsrc file to point
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at the downloaded FreeDOS image and change its status to "status=inserted".
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Save and close your .bochsrc. Now run bochs. (see: "Running bochs from
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the command line.")
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Use the standard FreeDOS commands fdisk and format to format your hard
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drive image. You must make the image bootable to be able to boot
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without a hard drive. However, creating a bootable disk image is best
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done with a boot disk from the OS you intend to install on the image.
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Option 2: Using mtools (Disadvantages: cannot create bootable images
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without a MBR image)
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Use a text editor to add the following line to the file ~/.mtoolsrc:
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drive c: file="<path>/filename.img" partition=1
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Save and close .mtoolsrc. Next, execute the following commands to
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create a partition table for the drive image:
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mpartition -I -s <spt> -t <cyl> -h <heads> c:
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mpartition -cpv -s <spt> -t <cyl> -h <heads> c:
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For example, for my 10 meg drive, I used:
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mpartition -I -s 63 -t 20 -h 16 c:
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mpartition -cpv -s 63 -t 20 -h 16 c:
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Next, format the partition you just created using the mformat command:
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mformat c:
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And you now have a formatted disk image containing a single DOS
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partition.
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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@ -1,7 +1,7 @@
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<!--
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================================================================
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doc/docbook/user/user.dbk
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$Id: user.dbk,v 1.21 2001-11-14 04:37:24 bdenney Exp $
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$Id: user.dbk,v 1.22 2001-11-14 14:42:04 bdenney Exp $
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This is the top level file for the Bochs Users Manual.
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================================================================
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@ -2265,21 +2265,26 @@ and 0 turns it off.
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<chapter><title>Using Bochs</title>
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<para>
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Resources for users
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testing status page: tells what has been tried and who got it working
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SourceForge
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look for bug reports
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how to report problems, make feature requests
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</para>
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<screen>
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Resources for users
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testing status page: tells what has been tried and who got it working
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search on bochs web site
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SourceForge
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look for bug reports
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how to report problems, make feature requests
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</screen>
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</para>
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</chapter>
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<chapter><title>Common problems and what to do about them (Troubleshooting)</title>
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<para>
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<screen>
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What's a panic? How to report it to bug tracker, how to make
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it non-fatal.
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Mouse behavior, enabling and disabling
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Keyboard mapping problems
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[...]
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</screen>
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</para>
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</chapter>
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@ -2398,12 +2403,156 @@ write to bochs-announce-request or bochs-developers-request. Don't forget the
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<chapter><title>Tips and Techniques</title>
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<para>
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<screen>
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Ideas:
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Ideas for new sections:
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- Using two hard disks
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- How to install ____
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- How to install Windows 95
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- etc.
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</screen>
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</para>
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<section><title>Unix: How to make a disk image</title>
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<para>
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This was contributed by Greg Alexander in October 2001.
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</para>
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<screen>
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0.) What you need:
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1.) An executable version of bochs. See "obtaining a bochs executable"
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or "compiling the bochs source"
|
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2.) The bximage program, included with bochs
|
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3.) A FreeDOS boot disk, or a boot disk from another OS capable of
|
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producing DOS partitions (i.e. a linux install disk.)
|
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4.) (optional) mtools, a program for manipulating DOS disks/images.
|
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|
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1.) Creating an image file.
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Run `bximage` to create a disk image file. You will be greeted with the
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following prompt:
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========================================================================
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bximage
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Disk Image Creation Tool for Bochs
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$Id: user.dbk,v 1.22 2001-11-14 14:42:04 bdenney Exp $
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========================================================================
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Do you want to create a floppy disk image or a hard disk image?
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Please type hd or fd. [hd]
|
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|
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|
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Since we are creating a hard disk image, accept the default of hd by
|
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pressing <command>Enter</command> or typing 'hd' and pressing
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<command>Enter</command>. Next, bximage will ask for the size of the disk
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image you want to create, in Megabytes:
|
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|
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Enter the hard disk size in megabytes, between 1 and 32255
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[10]
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Enter the size of the hard disk you want to create, and press
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<command>Enter</command>.
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Bochs will give you some information about the image it is creating, and
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ask you for a filename to use for the file it is creating. I told it to
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use the default of 10 megabytes, and was given the following information
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along with the prompt for a filename:
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[10] 10
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I will create a hard disk image with
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cyl=20
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heads=16
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sectors per track=63
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total sectors=20160
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total size=9.84 megabytes
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What should I name the image?
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[c.img]
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At this point, type in the filename you want to use for the image. The
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default of "c.img" is appropriate if this will be your only hard disk
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image. After you have typed in the name of the filename you want to
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use, press <command>Enter</command>. Bximage will tell you it is writing the disk and
|
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will display a status bar as you wait. When it is finished, it will
|
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give you a final status report and tell you a line that should be added
|
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to your .bochsrc file when you want to use this disk image. I named my
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10 Megabyte image "teaching.img" and the output of bximage looked like
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this:
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[c.img] teaching.img
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Writing: [..........] Done.
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I wrote 10321920 bytes to teaching.img.
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The following line should appear in your bochsrc:
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diskc: file="teaching.img", cyl=20, heads=16, spt=63
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|
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At this point, a file called "teaching.img" was created in my current
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directory and is ready to be used as an image file for a bochs session.
|
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|
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2.) Partition and format your image file.
|
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|
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Option 1: Using FreeDOS (Advantages: Creates a MBR on the partition.)
|
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First, you need to edit the .bochsrc file that bochs uses for
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configuration information. Open the file .bochsrc with a text editor.
|
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Remove any lines in the file beginning with "diskc:". Add the "diskc:"
|
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line that was displayed when you ran bximage to the .bochsrc file in the
|
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same place that you removed the old "diskc:" lines from.
|
||||
|
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Also, you need to download or create a FreeDOS (or DOS, or Windows, or
|
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linux) disk image. Modify the "floppya:" line in your .bochsrc file to point
|
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at the downloaded FreeDOS image and change its status to "status=inserted".
|
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|
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Save and close your .bochsrc. Now run bochs. (see: "Running bochs from
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the command line.")
|
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Use the standard FreeDOS commands fdisk and format to format your hard
|
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drive image. You must make the image bootable to be able to boot
|
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without a hard drive. However, creating a bootable disk image is best
|
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done with a boot disk from the OS you intend to install on the image.
|
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|
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|
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|
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Option 2: Using mtools (Disadvantages: cannot create bootable images
|
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without a MBR image)
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Use a text editor to add the following line to the file ~/.mtoolsrc:
|
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|
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|
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drive c: file="<replaceable>path</replaceable>/filename.img" partition=1
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|
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Save and close .mtoolsrc. Next, execute the following commands to
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create a partition table for the drive image:
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mpartition -I -s <replaceable>spt</replaceable> -t <replaceable>cyl</replaceable> -h <replaceable>heads</replaceable> c:
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mpartition -cpv -s <replaceable>spt</replaceable> -t <replaceable>cyl</replaceable> -h <replaceable>heads</replaceable> c:
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|
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For example, for my 10 meg drive, I used:
|
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mpartition -I -s 63 -t 20 -h 16 c:
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mpartition -cpv -s 63 -t 20 -h 16 c:
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|
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Next, format the partition you just created using the mformat command:
|
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|
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mformat c:
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And you now have a formatted disk image containing a single DOS
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partition.
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</screen>
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</section>
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<section> <title>Linux: Mounting a disk image using the loop device</title>
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<para>
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This section was contributed by Volker Ruppert. It describes how to
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