[LinuxBIOS] 440bx folks: looking for spd data
roger
roger at eskimo.com
Mon May 14 21:50:52 CEST 2007
On Mon, 2007-05-14 at 05:16 -0400, Corey Osgood wrote:
> 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.
dimm: 00.0: 50
00: 80 08 04 0c 0a 01 40 00 01 a0 60 00 80 08 00 01
10: 8f 04 04 01 01 00 0e 00 00 00 00 14 14 14 32 20
20: 20 10 20 10 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12 14
40: 7f 7f 98 ff ff ff ff ff 49 33 30 30 30 30 39 32
50: 36 2d 30 30 20 20 20 20 20 20 20 41 20 30 36 32
60: 31 30 30 20 53 4f 55 54 48 4c 41 4e 44 20 4d 49
70: 43 52 4f 20 53 59 53 54 45 4d 53 20 30 32 *64 *a4
80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
am i looking at this right?
Row 0x70, and count in hex.
The values at 0x7e & 0x7f respectively are; 0x64 & 0xa4?
Looking at the other 2 sticks of sdram I have:
0x64, 0xf6
0x64, 0xf7
(0x64, 0xff are all on my Mushkin in my S1832DL)
--
Roger
http://www.eskimo.com/~roger/index.html
Key fingerprint = 8977 A252 2623 F567 70CD 1261 640F C963 1005 1D61
Mon May 14 12:45:58 PDT 2007
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