linux-kernel - Re: Intel 82559 NIC corrupted EEPROM

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Message-ID: <20061104062251.GA15100@hockin.org>
Date:	Fri, 3 Nov 2006 22:22:51 -0800
From:	thockin@...kin.org
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	John <me@...vacy.net>, linux-kernel@...r.kernel.org,
	linux.nics@...el.com
Subject: Re: Intel 82559 NIC corrupted EEPROM

On Fri, Nov 03, 2006 at 05:46:25PM -0800, H. Peter Anvin wrote:
> Basically, Auke wants you to throw away your NIC and/or motherboard. 
> Since you're effectively dead, the only damage you can do by disabling 
> the check has already been done.  This unfortunately seems to be fairly 
> common with e100, especially for the on-motherboard version, and you 
> basically have two options: either disable the check or write an offline 
> tool to reprogram the EEPROM.

I have a tool to write the eepro100 EEPROM.  Let me see if I can find it.
It even had all the default data coded, ready to restore a NIC to default.

However - back in the eepro100.c days, it was considered a warning only if
the EEPROM had a bad checksum.  There were two "supported" formats for the
EEPROM, one of which was just the MAC address.  And it worked!

Tim
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