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Re: AMD64-generic doesn't see all 4GB RAM?



Actually, Joost or others, do you know what difference the memCLK BIOS setting has?

With "MTRR" set to discreet, and "Memhole Mapping" set to software control
my system boots fine, and I can see 4GB RAM. However, I then install xen
then it won't boot. It fails activating the second core of the CPU.  If I change memCLK
from the default (200Mhz) to 100Mhz it boots fine, but then it only shows 3GB RAM.
Is this memCLK specific to the Opteron or my RAM or what?

Is there a guide to all these Hammer configurcation paramemters anywhere?

John



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