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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