Message-ID: <01FD6EC775C6D4119CDF0090273F74A4021E5F@emwatent02.meters.com.au>
From: "Da Silva, Joe" <Joe DOT DaSilva AT emailmetering DOT com>
To: "'opendos AT delorie DOT com'" <opendos AT delorie DOT com>
Subject: RE: BIOS upgrading (was Optimizing CONFIG.SYS...)
Date: Tue, 5 Dec 2000 11:47:08 +1100 
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Reply-To: opendos AT delorie DOT com

Almost right, except :

Unless the MB was designed incorrectly, you cannot program
a Flash part "using just the motherboard", if the MB originally
used an EPROM. You need a separate EPROM programmer.

Joe.

> -----Original Message-----
> From:	Stephen Kitt [SMTP:lists AT sk2 DOT org]
> Sent:	Tuesday, 5 December 2000 10:03
> To:	opendos AT delorie DOT com
> Subject:	Re: Re: Optimizing CONFIG.SYS...
> 
> On Sat, Dec 02, 2000 at 02:45:11PM -0700, Patrick Moran wrote:
> > loading any SCSI drivers and that is where it resides. I cannot turn off
> the
> > MB BIOS for this. Some MB can, but I got stuck with one that does not.
> It is
> > EPROM and not FLASH so I can't even remove the code from the MB BIOS.
> 
> I don't know if this will help, and you might have thought of it already.
> Anyway, if you look at the EPROM, there should be a part number on it
> (possibly beneath a sticker). Look it up on the web, and you should be
> able
> to find a datasheet for it, and determine its characteristics - voltage,
> pins and capacity. Then you can buy a compatible EEPROM or Flash ROM and
> get
> someone to write a BIOS image to it; I'd imagine you know someone with an
> EEPROM or Flash ROM writer, if you don't own one yourself. Then swap the
> two
> chips, and the new BIOS should load...
> 
> In fact, once you've done that, if you're using a Flash ROM you might be
> able to reprogram it subsequently using just the motherboard and a program
> such as UniFlash which supports many different Flash ROMs. That way you
> can
> 
	[da Silva, Joe]  

	See above ...

> experiment to your heart's content, safe in the knowledge that you've
> still
> got the original EPROM if things go pear-shaped.
> 
> Stephen
> 
> -- 
>      __| |  /_ )    Stephen 'SKČ' Kitt        Truly great madness can not
> be
>    \__ \ . < __|       steve AT sk2 DOT org            achieved without
> significant
>    ____/_|\_\       http://www.sk2.org          intelligence. -- H.
> Tikkanen