[syslinux] CD-ROM won't boot. BIOS problem?

H. Peter Anvin hpa at zytor.com
Wed May 5 22:19:21 PDT 2004

Anmol Khirbat wrote:
> I made another CD (with mkisofs 1.15a27) by replacing isolinux.bin
> with isolinux-debug.bin and got the following. 
> ISOLINUX 2.08 2003-12-12 Copyright (C) 1994-2003 H. Peter Anvin
> isolinux: Starting up, DL = 80
> isolinux: Loading spec packet failed, trying to wing it...
> isolinux: Failed to locate CD-ROM device; boot failed

In other words, it loads the bootstrap, but doesn't initalize *any* of 
the El Torito functionality.

> Would this be due to a system BIOS problem or an adapter BIOS problem?
> Or something else? Are there other things I can try to figure this
> out? If this is a BIOS problem, I'd like to gather as much information
> as possible before I bug the vendors.

It's quite possible your adapter BIOS doesn't even activate since you 
have a primary drive on the mainboard.


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