Supero C9X299-PG, Руководство пользователя

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Supermicro C9X299-PG/-PGF/-RPGF Motherboard User’s Manual
Enhanced C-states
This feature enables C1E, which makes the CPU switch to minimum
speed when all cores enter C-State. The options are Disabled or
En-
abled .
C-State Auto Demotion
When this feature is enabled, the CPU will conditionally demote C
State based on un-cored auto-demote information. The options are
Disabled, C1, C3 and
C1 and C3 .
C-State Un-demotion
When this feature is enabled, the CPU will conditionally un-demote
from demoted C3 or C1. The options are Disabled, C1, C3 and
C1
and C3 .
Package C-State Demotion
This feature enables the Package C-State demotion. The options are
Disabled or Enabled.
Package C-State Un-Demotion
When this feature is enabled, the CPU will conditionally un-demote
from demoted Packaged Package C-State Un-Demotion. The options
are
Disabled or Enabled.
CState Pre-Wake
This feature enables the C-State pre wake. The options are Enabled
or Disabled.
IO MWAIT Redirection
This feature is for legacy operating systems. It redirects I/O reads
in order to convert them into MWAIT C-state requests. When using a
legacy operating system, enable this feature. The default is
Disabled .
Package C State Limit
Select Auto for the AMI BIOS to automatically set the limit on the C-
State package register. The options are C2, C3, C6, C7, C7s, C8, C9,
C10, Cpu Default, and Auto.
C3 Latency Control(MSR 0x60A)
Time Unit
Select a unit of measurement for IRTL value. The options are 1ns,
32ns,
1024ns , 32768ns, 1048576ns, 33554432ns.