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Boot floppy from CD

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Name: tommccall
Date: January 26, 2006 at 11:51:07 Pacific
OS: Win 3.1
CPU/Ram: 486 100 Mhz 16 MB
Comment:

I have done a total hard drive copy/backup for the hard drive of a 486 system runing Dos 6.22 Win 3.1 486 100 Mhz. How ever, i wish to put the boot floppy files on the CD as a subdirectory. Then if the Boot floppy is needed copy the files to a floppy and go from there. But I just tried that and the boot floppy I made from the CD is not bootable. How can I make a floppy that has system files on it bootable after I have copied those files from a CD? I think the system files are placed on a certain track or location on the floppy, can you force a CD to floppy copy to put those files on those tracks/ locations.

I know that I can keep a boot floppy with the CD but if it all was on the CD it would easier. And the computer is do old that it does not have a CD present. If if did have a cd present could I burn a bootable CD? Another idea to "chew on."

Thanks

Tom



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Response Number 1
Name: jboy
Date: January 26, 2006 at 14:31:50 Pacific
Reply:

You're not going to be able to boot a 486 from a CD drive - that option must be supported in the BIOS (and it won't be)

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 2
Name: jboy
Date: January 26, 2006 at 14:56:30 Pacific
Reply:

... kind of a confusing post - ok, floppies are made bootable by employing the sys command:

Copies MS-DOS system files and command interpreter to a disk you specify.

SYS [drive1:][path] drive2:

[drive1:][path] Specifies the location of the system files.
drive2: Specifies the drive the files are to be copied to.

Typically you would transfer files from the hard drive to the floppy, but I suppose it could work from a CD as well

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 3
Name: name
Date: January 26, 2006 at 15:31:22 Pacific
Reply:

Here's how I'd do that, and I have

Assuming you have a working system that you are trying to back up, actually make a boot floppy and configure it exactly as you want

Be sure to put a CDROM driver on the floppy so you can boot your target system and read a CD

Be sure to put the diskcopy command, or at least format, or the "sys" command on there.


Once you get the floppy made and tested, boot the machine with the new floppy and make sure it boots OK, and drives the CDROM.

Last, (I use Nero) Make a "bootable" CD and use the floppy you just made for the boot section.

Easy.


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Response Number 4
Name: jboy
Date: January 26, 2006 at 15:44:40 Pacific
Reply:

Well, for that matter, you can get a 622 ISO here - with the right software you can customize it to your liking.

Still not gonna boot a 486 with one though...

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 5
Name: name
Date: January 26, 2006 at 16:24:27 Pacific
Reply:

You're right jboy, and I forgot to "finish" my post.

What I MEANT to say was that now that you've made this CD, you can use it to boot up A DIFFERENT machine with the CD, and use the A: sector of the "booted" CD to "sys" a floppy, copy the files from the A: sector onto the floppy, and therefore "create" a good boot floppy from your CD



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Response Number 6
Name: jboy
Date: January 26, 2006 at 17:22:22 Pacific
Reply:

All seems very roundabout, given the machine in question

There's no real need to copy the system files to CD if the machine has to start from a diskette - just 'sys' from the floppy and then copy the backup over.

Otherwise, just image the entire drive to CD

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 7
Name: mcamax
Date: January 26, 2006 at 19:18:57 Pacific
Reply:

Or how about this:

1. Copy all files to CD

2. Make a boot floppy with CD support (you will need this anyway as you can't boot a 486 with a CD)

To restore:

1. boot with floppy

2. Do a sys C:

3. copy the CD over to C

4. Reboot from hard drive.

jboy, name - will this work?



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Response Number 8
Name: jboy
Date: January 26, 2006 at 20:02:18 Pacific
Reply:

I hope so, considering that's the gist of my last post

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 9
Name: jubalsams
Date: January 27, 2006 at 00:25:07 Pacific
Reply:

"How can I make a floppy that has system files on it bootable after I have copied those files from a CD?"

Make an image of the floppy with something like WinImage or one of its DOS cousins (WIMAGE, COPYQM, DiskImager, SABDU, MaxiDisk, DF). These make an exe which will write the image to floppy.

Best

Best


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Response Number 10
Name: jboy
Date: January 27, 2006 at 06:42:45 Pacific
Reply:

Yeah - also suggested in my #6

Lots of ways to do this - some make more sense than others

Tom - where are ya son?

Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home


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Response Number 11
Name: RWD1996
Date: February 6, 2006 at 15:07:53 Pacific
Reply:

Wait a minute! A 486 computer is bootable. Google for a El-Torito Boot Disk. Let the floopy boot, and when the El-Torito driver is loaded, it will boot the CD.

I am typinq this on my Pocket PC.


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