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Old 03-06-2007, 03:20 PM   #1
Knisa
LQ Newbie
 
Registered: Apr 2005
Distribution: Ubuntu / DSL
Posts: 7

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SYSLINUX/MEMDISK issue (floppy image boot)


Hi folks,

I'm setting up a USB key for multi-boot. It works like a champ in most regards, except that I can't get any DOS or Windows floppy images to boot.

Here's a sample entry from syslinux.cfg:

LABEL 2
kernel memdisk
append initrd=w98

I've tried using the raw, bigraw, options and I've tried manually specifying CHS. Nothing helps.

when I attempt to boot one of the disk images, memdisk launches, displays some stuff (nothing to indicate an issue), and hangs after "Loading boot sector... booting...". On MS-DOS / Vista / Win98 floppies it stops right there. On an IBM PC-DOS floppy it gets as far as "Starting PC DOS..."

Booting a memtest floppy image, damnsmalllinux, or chntpw all work.

MEMDISK is version 3.11 and SYSLINUX is version 2.04.
The USB key is a Kingston Datatraveller II.
The test machine is an IBM Thinkpad T42.

Can anyone point me in the right direction here?
 
Old 03-07-2007, 01:26 PM   #2
Knisa
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Registered: Apr 2005
Distribution: Ubuntu / DSL
Posts: 7

Original Poster
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Anybody?
...
 
Old 03-12-2007, 04:39 PM   #3
Knisa
LQ Newbie
 
Registered: Apr 2005
Distribution: Ubuntu / DSL
Posts: 7

Original Poster
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I upgraded memdisk and syslinux to 3.31, still no luck. There has to be someone out there that knows what's going on here.
 
Old 12-04-2011, 08:36 PM   #4
Linux_420
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Registered: Dec 2011
Distribution: Fedora
Posts: 27

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Wink

*bump*

try mounting the img file as a loop device:

user@host# mkdir /tmp/img/


user@host# sudo mount -o loop /path/to/image/file/file.img /tmp/img/

then install a MBR (master boot record) using syslinux:

user@host# sudo syslinux -m /dev/loop0

then install syslinux on the mounted image (if you need it):

user@host# sudo syslinux -i /dev/loop0

this will make floppy images bootable in my experience (the -z option on syslinux i have yet to get working)

BE CAREFUL NOT TO OVERWRITE YOUR MBR OR YOUR BOOTLOADER!!! MAKE SURE YOU INSTALL THE MBR & SYSLINUX ON THE CORRECT DEVICE NODE!
 
  


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