Hi!
The following question is targeted to the Intel folks, which are for sure
here and actively helping the Linux ACPI community.
We've purchased two pieces of "Intel Server Platform SR1425BK1-E" chassis.
They contain SE7221BK1-E motherboard.
We've equipped them with P-4's of adequate performance and with 1 GB of
RAM each.
After installing Linux, I was curious, how the CPU power management is
working. What I've found, made me feel sad. It looked as in the worst and
cheapest, anonymous mobo. Just C1 available, P_LVL2_LAT=101, P_LVL3_LAT=1001.
The same cheap trick for disabling ACPI functionality as so many times
discussed here.
I know that one can say "It's a server, it's made for heavy crunching all
the time, so what to do with ACPI PM here?" But I don't think so. Because it's
a server, it will run for many years 24/7/365. It can save a lot of resources
and give a big gift to all the Earth environment by saving so much power,
as is possible.
Is there a chance to get ACPI CPU PM working here, for example by changing
BIOS, its configuration, hidden jumper or anything else ? Or is this just
the next one in the long row of ACPI-unfriendly products ?
With regards, Pavel Troller
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