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SubjectRe: Intel 82559 NIC corrupted EEPROM
On Fri, Nov 03, 2006 at 10:22:51PM -0800, thockin@hockin.org wrote:
> 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!

One from the vaults: http://www.hockin.org/~thockin/enet_eeprom/

It's pretty simple, but easily hacked. ifdown your interface first! :)

Tim
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