Book disk on USB memory stick

[Ryan Golhar]

If seen this on some of our computers.  We have two sets: 1) Dell
GX270's 2) generic machines.  On the Dell's the booting from memory
stick works, but on the generic machines, it doesn't.  

I suspect it has something to do with the BIOS, but I'm not sure.

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Chiu, PCM (Peter) 
Sent: Tuesday, June 22, 2004 6:43 AM
To: 'General Red Hat Linux discussion list'; 'Redhat-Install-List
(redhat-install-list at redhat.com)'
Cc: Chiu, PCM (Peter) 
Subject: Book disk on USB memory stick


Having looked at some of the discussions circulating before,
I tried the recipe that Bruce Bryne suggested but have hit a "missing
operating system" problem.

Below are the steps I took:

a. mkdosfs /dev/sdc1
b. mount /dev/sdc1 /mnt/stick
c. cp rhas3u2/isolinux/* /mnt/stick
   where rhas3u2 is the RHES AS 3 update2 CD mount point
d. cp /mnt/stick/isolinux.cfg /mnt/stick/syslinux.cfg
e. cp /rhas3u2/images/pxeboot/initrd.img /mnt/stick/
f. umount /mnt/stick
g. echo "mtools_skip_check=1" >> /root/.mtoolsrc
h. syslinux /dev/sdc1

When I took this memory stick to another PC, I can see
the hard disk device (OTi6828) at the BIOS level - Boot option.

But after selected the boot option, save and reboot, the system reports:
PXE-E61: media Test failure check cable
PXE-M0F: Exiting Intel Boot Agent
missing operating system

If I then reboot, the system hangs at the initial memory test. After
reinserting the memory stick, the system continues the memory tests, but
later reports missing operating system error again.

It seems to suggest USB booting is now always possible.

Does anyone know what is it required in order to support USB memory
stick booting?


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