[syslinux] HP Drive Key Boot Utility works (2.10?), but syslinux 3.71 doesn't

[Alex Dommasch]

Ah, I see.  That is unfortunate.  
Questions:
 1. when might such an option be available?
 2. if it might be a while, would it be straightforward for me to make
the misleading test be skipped (assuming I can figure out how to build
from source)?  Would it be as simple as adding something like "jmp
.noedd" right after "eddcheck:"?
BTW, thank you for maintaining such a useful product.  I'm really hoping
I can get it to work for me.

Alex Dommasch


-----Original Message-----
From: syslinux-bounces at zytor.com [mailto:syslinux-bounces at zytor.com] On
Behalf Of H. Peter Anvin
Sent: Thursday, August 07, 2008 9:38 AM
To: For discussion of SYSLINUX and tftp-hpa
Subject: Re: [syslinux] HP Drive Key Boot Utility works (2.10?), but
syslinux 3.71 doesn't

Alex Dommasch wrote:
> 
> SYSLINUX 2.10 2004-06-18  Copyright (C) 1994-2004 H. Peter Anvin
> 
> .plus an error message (since I didn't actually have an OS image on
the
> stick - which is fine).  What's the difference here?  I've seen it
said
> that booting from USB is a bit of a black art, which I find
> disconcerting.
> 
> Out of curiosity, I copied the ldlinux.sys file that 3.71 had
installed
> (and I had saved off) over the HP version - when trying to boot with
> that, it says "Boot failed" instead of "Boot error".  But this may be
a
> meaningless test - does ldlinux.sys have to be written into specific
> disk blocks?
> 

The biggest difference between Syslinux 2.x and Syslinux 3.x is that 
Syslinux 3.x supports EBIOS.  Therefore one can make the guess that the 
Dell BIOS is broken with regards to EBIOS support (reports presence but 
not actually supports.)  This is the second such report I have gotten in

a short amount of time, so I think I need to make an option to disable 
the EBIOS support at install time.

	-hpa

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