[LinuxBIOS] 440bx folks: looking for spd data

Corey Osgood corey_osgood at verizon.net
Mon May 14 11:16:06 CEST 2007


roger wrote:
> Have you tried Uniflash?
> 
> It run in DOS and is written in Pascal.  I used a FreeDOS livecd...
> matter of fact, even installed FreeDOS to a 2nd partition with Uniflash.
> 
> Uniflash supports a vast number of flash parts.

Yep, I know about uniflash, it's what I was using with this board
before. The problem still is getting the rom from my floppy-less laptop
to the other machine in a manner DOS can understand. I tried to get usb
working on a dos boot disk, but none of the drivers I tried worked. So
it's still boot into linux, read rom off the usb/network and copy to
floppy/second partition, then reboot to flash. I suppose it is possible
to set up DOS to work on the network, but that's something I've never
done before, and doesn't seem like much fun. I found one howto in the
freedos wiki, but it's really just the history of networking, with no
real instruction. Anyways, time to get some sleep, but I'll work more on
spd stuff tomorrow.

If anyone working on the 440 has time, can you check the output of your
spd data and see if there's any non-00 or 0xff data in 0x7e and 0x7f
(aka 126/127)? This is part of the Intel SDRAM SPD standard, but not
officially part of JEDECs. The 3 dimms I've checked all support it,
along with one Uwe used (from a minicom.cap sent to the list), but I'm
curious how many don't, and if they don't what values they return. This
is by far the easiest way to set up a lot of the northbridge stuff by
spd, but if there are lots of dimms out there NOT supporting it, I'll
see if there's another way.

-Corey




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