[LinuxBIOS] addr_offset help

Joseph Smith joe at smittys.pointclark.net
Sat Sep 1 15:56:33 CEST 2007

>>> MRS is a setting within the ram that's set by reading from a certain
>>> location while the northbridge is in MRS mode. It essentially tells the
>>> ram what timings to run at. For the most part, the only values you'll
>>> ever need for SDRAM are 0x1d0 for CL3 and 0x150 for CL2, but DDR and
>>> DDR2 make more advanced use of MRS and E(xtended)MRS. Read the JEDEC
>>> standard for more info.
What do you mean by this??

> And just realized something else, directly related to the email I just
> sent for Joe. Please change the MRS value from 0x1d0 to 0xad0. Heh, that
> could seriously bork things up, my bad.
> -Corey
What am I supposed to use for CL3?

Thanks - Joe

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