[syslinux] Problems booting with SCSI CD (fwd)

H. Peter Anvin hpa at zytor.com
Wed Nov 6 12:20:35 PST 2002


Theodore Kilgore wrote:
> This message is in reply to yesterday's message from HPA, which contained
> a new isolinux-debug.bin as an attachment. For economy, I am using this
> old message as a "template," because it contains most of the error
> messages.
> 
> What is new is added below, where it happened. Briefly, the
> machines with Adaptec 2940 and SCSI CD-ROM still do not boot. I tried the
> new CD on 3 of them.
> 
> One box said simply it cannot find a SCSI boot device (It still has WinNT
> on an IDE drive in it; this may be the problem in spite of the fact that I
> checked 3 times if the BIOS tells it to boot from CD? I dunno; this is
> quite mysterious).
> 

When you're booting from a SCSI CD with an external (adapter) SCSI card,
you're booting "from SCSI" not "from CD" as far as the BIOS is concerned.

> The other two boxes (which already have Linux installed on a SCSI drive
> and no IDE devices at all in them) gave a more serious treatment (see
> below). Also I tried the same new CD-ROM on a non-SCSI box, and it
> still works OK there. No doubt, this is the good news...
> 
> (appropriate extracts from previous message)
> 
>>>Okay, here are the exact error messages and what leads up to them:

Ick.  This is basically saying "we tried everything and nothing worked."
   I'm starting to fear I'm running out of ideas.  If I come up with
something I'll send it to you.

	-hpa




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