V2 and EPIA
ron minnich
rminnich at lanl.gov
Wed Oct 1 00:46:00 CEST 2003
On Tue, 30 Sep 2003, Bari Ari wrote:
> Randall H. Craig wrote:
> >
> > I know I sound like an idiot but what does the acronym SPD stand for?
>
> serial presence detect (SPD)
>
> You can read about it here:
>
> http://www.intel.com/technology/memory/pc133sdram/spec/spdsd12b.htm
>
> http://www.simmtester.com/page/news/showpubnews.asp?num=101
>
it's a solution to a hard problem: how do you tell what ram is in that
slot? It uses a serial eeprom and a serial bus to get to it.
I think it's an ok way to go, save for making your dram setup hostage to
the I2C bus, which has its "issues"
ron
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