eeprom driver

phil at phil at
Mon Feb 4 19:12:41 CET 2002

I think all the related eeprom decode stuff (SPD, Xeon, etc.) was from
Intel's web site.  Thankfully, Intel does a reasonable job documenting
things and providing them to the development community.


On Mon, Feb 04, 2002 at 07:00:57PM +0100, Jean Delvare wrote:
> > BTW- Have you tried running  It's in
> > lm-sensors/prog/eeprom, I think.  It can help decode the values of
> > your valid SPD DIMM (timing and such).  There is also a checksum value
> > which it computes and compared with what is stored on the chip.  If
> > the checksum isn't valid, then it is almost certainly evidence that
> > the chip isn't on a DIMM (or is corrupted).
> I guess you refer to  Yes, I tried it.  It gives correct
> results for 0x50 and awful garbage for 0x57.
> I also just tried xeon/  No resulult either.
> If byte at 0x02 has a class meaning (0x04 for DIMMs, you said), is there a
> reference about this? It would help to know what kind of item 0x00 is
> supposed to be.
> -- 
>        /~~       Jean "Khali" Delvare
>   -----\_                        mail: delvare at
>  --------\      
> ---=ISMRA/- ____________________________________________________

Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR
   phil at --
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