[LinuxBIOS] What is RC0 and RC1

bxshi bingxunshi at gmail.com
Mon Apr 23 14:10:54 CEST 2007

>  The SPD address is composed with RC0, RC1 and DIMM0, DIMM1. But what is
> RC0 and RC1?

We use SMBUS to read/write SPD information. if the mainboard has SMBUS Hub
such as pca9545, you need RC0 and RC1.

 Different mainboard has different RC0 and RC1, who defines the two? DIMM
> sockets or processor or others? Thank you.
That depends on which channel of the SMBUS HUB does your DIMM on.
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