| Cooking with UNIX/Linux |
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| Cooking with UNIX/Linux > Trying out Bochs |
Trying out BochsBOCHS RECIPE by Frederik Dannemare## BOCHS INSTALLATION # # Install relevant Bochs packages: apt-get install bochs bochs-doc bochs-term bochs-x bochsbios vgabios xfonts-bochs ## GENERATE WINDOWS CD ISO IMAGE (USING DD) AND A DISK IMAGE (USING BXIMAGE) # # It is faster to do the installation from a harddisk ISO image, rather than from CD. # Therefore, put your Windows CD into your drive and dd all content to an ISO image: mkdir ~/win98 dd if=/dev/cdrom of=~/win98/win98.iso # Now create the disk image to hold your Windows installation: cd ~/win98 bximage [choose 'hd', 'flat', and an image name (e.g. 'win98.img') and size (e.g. '600')] # When bximage has finished writing the new (empty) image file, # the output values must be written to your ~/win98/.bochsrc file. # My output from bximage looks like: ata0-master: type=disk, path="win98.img", mode=flat, cylinders=1219, heads=16, spt=63 ## .BOCHSRC CONFIGURATION FILE # # In my .bochsrc file (below), I have added the output values from bximage # to the line beginning with 'diskc'. ######################################################## # ~/win98/.bochsrc # # Asign memory for Bochs. But make sure you will have enough # memory left over for your Linux system. megs: 64 # IPS (Emulated Instructions Per Second) is used to calibrate many time-dependent # events within the Bochs simulation. If you have a fast (1+ Ghz) CPU # set ips to 5 million during the first few installation steps. ips: 5000000 vga_update_interval: 300000 keyboard_serial_delay: 250 keyboard_paste_delay: 100000 keyboard_mapping: enabled=1, map=/usr/share/bochs/keymaps/x11-pc-da.map # Location of ROM images. romimage: file=/usr/share/bochs/BIOS-bochs-latest, address=0xf0000 vgaromimage: /usr/share/vgabios/vgabios.bin # Cylinder, heads, and spt info from bximage output diskc: file="/home/frederik/win98/win98.img", cyl=1219, heads=16, spt=63 # Location of the Windows CD image (ISO image) cdromd: dev=/home/frederik/win98/win98.iso, status=inserted newharddrivesupport: enabled=1 boot: cdrom log: bochs.log # If you have problems pressing the Bochs buttons (Reset, Power, etc.) # try disabling mouse support inside the Bochs session. mouse: enabled=0 # End of .bochsrc ######################################################## ## EXECUTE BOCHS TO PARTITION YOUR DISK IMAGE # # Fire up Bochs cd ~/win98 bochs # If Bochs panics with something like "Failed to open plex86 device.", don't worry. # Simply continue with 'cont'. # When presented with the 1st menu, choose: # 2. Boot From CD-ROM # When presented with the 2nd menu, choose: # 2. Start computer with CD-ROM support. # When presented with a DOS-prompt (A:\>), execute fdisk: A:\>fdisk # Say "Y" to large disk support. # In fdisk, choose: # 1. Create DOS partition or Logical DOS Drive # 1. Create Primary DOS Partition # Say "Y" to use the maximum available size. # Type "Esc" to exit FDISK. # You should now be back at the DOS-prompt. Click on the Bochs "Power" button to exit. ## EXECUTE BOCHS TO FORMAT YOUR NEW PARTITION # # Fire up Bochs again, and choose '2' and '2' in the menus as last time. # Let's get the drive formatted: A:/>d: D:/>cd win98 D:/WIN98>format c: /s # Say "Y" to actually carry out the format command. # No need to set a disk label. # Exit Bochs and replace "ips: 5000000" with "ips: 1000000" in ~/win98/.bochsrc. # Setting ips lower than 1 million may prevent you to strike a key fast enough # in the Windows boot menus, if you have a really fast CPU. On the other hand, # a higher ips value during installation, makes the whole process more slow. # It's your call. ## EXECUTE BOCHS TO INSTALL WINDOWS # # Fire up Bochs yet again, and choose '2' and '2' in the menus as last time. # Now it's time to start the Windows 98 installer: A:\>d: D:\>cd win98 D:\WIN98>setup # Be patient, very patient. The installation easily takes several hours...
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