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Boot from Usb-cdrom

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Original Message
Name: Victor
Date: July 16, 2003 at 03:32:46 Pacific
Subject: Boot from Usb-cdrom
OS: dos
CPU/Ram: PIII 800
Comment:

I have a PC that only has HD IDE internal and USB-CDROM external. I have not any floppy.

I want to restore my ghost's image from my usb-cdrom. I have tested the following. I took a floppy from a friend and i was able to restore the image with duse. Well I made my bootable cd-rom with nero and floppy disk with duse. I did it because if my pc breaks again I would restore my image from usb cd-rom and I wouldn't have to look for a floppy. But when I tested it, the bootable cd-rom boots but when it loads duse it says me that it does not find command.com.

I repeat you that my PC only has HD IDE and USB CD-ROM, not any floppy.


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Response Number 1
Name: madmaxUSB
Date: July 16, 2003 at 04:13:16 Pacific
Reply: (edit)

> Well I made my bootable cd-rom with nero and floppy disk with duse. I did it because if my pc breaks again I would restore my image from usb cd-rom and I wouldn't have to look for a floppy.

> But when I tested it, the bootable cd-rom boots but when it loads duse it says me that it does not find command.com.

It would seem the paths where command.com are located differ when the hard disk was actually working (from which the image was created) and when the HD has NOT been prepared, when trying to restore.

You probably need to create a new bootable CD where the CD drive designations would be the same regardless of the number of HD partitions preexisting OR change compspec in your environment variables...


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Response Number 2
Name: wizard-fred
Date: July 16, 2003 at 04:32:12 Pacific
Reply: (edit)

I think you need a boot disk made like the Win 98 boot disk. Use a RAM disk to hold the temporary work space. Also doesn't the CD becomes Drive "A". (Not to sure about that since I may have seen different)


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Response Number 3
Name: x86
Date: July 16, 2003 at 05:27:11 Pacific
Reply: (edit)

I used EZCDCreator6 and used a DOS8 (WINXP)boot floppy to make the CD bootable, this is extremely minimal and the CD becomes A: drive, I created my own autoexec.bat and config.sys, placing the Panasonic USBASPI drivers first prior to HIMEM.SYS etc.

Therefore as above mentioned are your autoexec and config pointing to the right drive letter??

www.mwpms.uklinux.net/usbfire.txt


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