how to create Bootable CD from 3 floppy discs

March 29, 2011 at 09:18:49
Specs: Windows XP, 512
how a Bootable CD can be made from 3 or more floppies

See More: how to create Bootable CD from 3 floppy discs

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March 29, 2011 at 09:22:14
i am not satisfied with these answers.please give me correct information . thanks in advance

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March 29, 2011 at 09:58:50
You need to have much more patience. 4 minutes is all the time between these posts.

First you need to combine the files on the three floppies into one folder. Google for this phrase "how to merge multiple floppy disks into one file".

Then burn the resulting files to CDR by making an ISO. You will need third party software to do that.

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March 29, 2011 at 10:01:31
Satisfied with what answers? Try using google.

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March 29, 2011 at 17:48:59
I'd copy the bootable one as track one then the other two as track two.

"The era of big government is over," said Clinton 1996

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March 29, 2011 at 23:51:10
... you maybe able to download a bootable "iso" (cd\dvd) image of the said floppies.

... if it's a common enough system, you have not stated!

Angel Decoy
... Posting is provided "AS IS" with no warranties

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March 30, 2011 at 15:08:45
"i am not satisfied with these answers.please give me correct information"

One way around that is to take it to a repair shop and pay to have it fixed.

Please come back and let us know how you got on.

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July 11, 2011 at 20:18:54
I got it to work, but it took me about five hours of research and trial and error, burning a lot of coasters along the way.

The bottom line is that while it is easy to create a single bootable floppy to a CD using Nero or MagicISO, it becomes significantly more difficult when the program you are trying to boot into requires more than one floppy. The reason for this is that when you transfer a bootable floppy to a bootable CD, anything larger than what would fit on a single floppy disk will corrupt the bootable image on the CD because the CD is trying to emulate a floppy disk, which is only 1.44 MB.

Here is the way to get around it.

When you create a bootable CD from a bootable floppy using Nero or MagicISO or the like, the bootable floppy image is stored in a special file on the CD called BOOTIMG.BIN. This file is invisible to Windows, which is why the CD will look blank when you attempt to examine it in Windows Explorer. When the CD boots, it loads this image and assigns it an A: drive, essentially tricking the computer and the program into thinking that it is really booting from a floppy.

Anything that can fit on the initial bootable floppy can fit in this image file. Anything that cannot fit (essentially, the files on floppy disks 2, 3, etc.) must be added to the CD using your ISO manipulation software; HOWEVER, these files cannot be put inside the floppy image itself or, as stated, the image will be corrupted and the CD simply won't boot. Instead, they must be added "outside" of the bootable floppy image.

Knowing that is the first hurdle. There is a second.

The problem is that once you've created your bootable CD from a disk image and added the necessary files from the remaining disks, once you boot the CD to the emulated A: drive, you are normally "stuck" within the floppy image, or A: drive. You will not be able to see the CDROM drive letter to be able to access the files you added outside of the floppy image unless you load old-school CD-ROM drivers.

I got around this by copying the MSCDEX.EXE and OAKCDROM.SYS files from a Windows 98 boot disk onto the program's first floppy disk. I then modified the program's AUTOEXEC.BAT and CONFIG.SYS files to include the necessary entries to load the CD-ROM drive and assign it a letter.

It worked. The CD booted using A: drive emulation. During the boot process it loaded its own CD-ROM drivers and gave itself a drive letter. Once fully booted and sitting at an A: prompt, all I had to do was change over to the CD-ROM's drive letter and run the remaining files. If you want, you can modify the AUTOEXEC.BAT file to do this for you manually, creating a truly unattended boot into your program.

Special thanks go out to Abhinav Kaiser from Tech Pedia and "tcsenter" from AnandTech forums. The links that provided me the "ah ha" moments are here:

-Paul Ronco, Computer Technician

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July 12, 2011 at 05:48:03
As Mavis pointed out you didn't state the reason for the boot disk. Why re-invent the wheel?

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July 12, 2011 at 08:01:00

Thank you for the information which is of general interest.

Unfortunately the original poster (m.abdulaziz) has not been seen since 29th March
so might have deserted us.

Always pop back and let us know the outcome - thanks

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July 12, 2011 at 08:51:33
Ah... so true Derek. Get the answer and run. I always wonder with these abandoned posters what happened in the end, as I noticed in your signature as well.

Ask and Answer. The way of learning.

Dell Dimension 8300
Intel Pentium 4 HT @ 3.20 GHz
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July 12, 2011 at 12:38:28
I have to be careful how I put this but I've noticed a quite definte characteristic in the vast majority (but not all) of recent "never seen again posters". I'll leave you to decide what it might be.

Always pop back and let us know the outcome - thanks

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