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Booting DOS 6.22 for installation via PXE


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#1 tondo

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Posted 15 September 2009 - 02:50 PM

Hi group,

I try to boot DOS 6.22 via PXE for installation on a local computer. The Problem is the following:

1. DOS 6.22 are 3 floppy disks, so it doesnt work to make a 2.88MB .imz file because it is to small

2. I created a .img file with help of qemu. I started this virtual disk with a Partition-Magic .ima virtual floppy disk and formatted the .img file as fat.

3. Then I copied all the files from the 3 DOS Diskettes into this .img file.

So far everyting is fine.

The Problem now is the bootsector. When I boot my .img file with qemu it says that there nothing to boot.

4. I tried to extract the startfile (bootsector) with help of UltraISO and tried to inject this bootfile into the .img file, but it doenst work. I think it doesnt work because it is not possible to use a floppy-bootfile for a harddisk.

My Question now is, how I can make a .img file with 5MB that starts directly into the first install disk of DOS 6.22 and contains also the disk 2 and disk 3 ?

I hope somebody could help me and remain with thanks in advance

tondo

#2 was_jaclaz

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Posted 15 September 2009 - 04:18 PM

....
2. I created a .img file with help of qemu. I started this virtual disk with a Partition-Magic .ima virtual floppy disk and formatted the .img file as fat.
....
My Question now is, how I can make a .img file with 5MB that starts directly into the first install disk of DOS 6.22 and contains also the disk 2 and disk 3 ?

I hope somebody could help me and remain with thanks in advance

tondo

I guess that making the file in Qemu and with partition magic, you have a small HD like image, instead of a superfloppy. :(

You cannot have a "5 Mb image", and a hd-like one, unless you use particular parameters with memdisk.


But if I remember correctly a 3,932,160 bytes - 3840K floppy image will be enough for the three setup disks of 6.22.
Read here :unsure::
http://www.911cd.net...showtopic=10853
http://www.911cd.net...showtopic=11096
http://www.911cd.net...showtopic=21212

:(

jaclaz

#3 tondo

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Posted 15 September 2009 - 11:13 PM

I guess that making the file in Qemu and with partition magic, you have a small HD like image, instead of a superfloppy. unsure.gif

You cannot have a "5 Mb image", and a hd-like one, unless you use particular parameters with memdisk.


But if I remember correctly a 3,932,160 bytes - 3840K floppy image will be enough for the three setup disks of 6.22.
Read here wink.gif:
http://www.911cd.net...showtopic=10853
http://www.911cd.net...showtopic=11096
http://www.911cd.net...showtopic=21212

cheers.gif

jaclaz


First of all, thank you for your reply. My first question would be, how to make a bootfloppy with 3840K (I think with Winimage...right ?) but i guess, that even this size is to small for the three disks, because my disks also contain the norton commander.

I would really appreciate it, if somebody could tell me how to handle this with a hd-image like jaclaz said...I know it needs a bootsector and a partition table, but this sounds very very interesting for me, because this kind of image I could use for many other thins too.

Hopefully somebody could tell me how to do this with help of an .img file.

Thanks for your reply

#4 was_jaclaz

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Posted 16 September 2009 - 06:44 AM

My first question would be, how to make a bootfloppy with 3840K (I think with Winimage...right ?) but i guess, that even this size is to small for the three disks, because my disks also contain the norton commander.

I would really appreciate it, if somebody could tell me how to handle this with a hd-image like jaclaz said...I know it needs a bootsector and a partition table, but this sounds very very interesting for me, because this kind of image I could use for many other thins too.


If you actually read the threads in the given links, there is ALL the info you need in them.

More info is here:
http://www.boot-land...?showtopic=6062
http://www.boot-land...?showtopic=3330


jaclaz




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