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Supermicro C7Z170-SQ - IO MWAIT Redirection; Package C State Limit; C3 Latency Control (MSR 0 X60 A); C6;C7 Short Latency Control (MSR 0 X60 B)

Supermicro C7Z170-SQ
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4-18
Supermicro C7Z170-SQ Motherboard User’s Manual
CState Pre-Wake
When set, this option enables or disables the C-State pre wake. The op-
tions are Disabled and Enabled.
IO MWAIT Redirection
When enabled, this feature will map and send the IO read instructions
to the IO registers. The options are Disabled and Enabled.
Package C State Limit
Select Auto for the AMI BIOS to automatically set the limit on the C-State
package register. The options are Cpu Default, C10, C9, C8, C7S, C7,
C6, C3, C2, C2, and Auto.
C3 Latency Control (MSR 0x60A)
Time Unit
Use this item to set the C3 latency control time unit. The options
are 1ns, 32ns, 1024ns, 32768ns, 1048576ns, and 33554432ns.
Latency
Use this item to set the C3 latency time value. Valid range is
0-1023. The default setting is 78.
C6/C7 Short Latency Control (MSR 0x60B)
Time Unit
Use this item to set the C6/C7 short latency time unit. The options
are 1ns, 32ns, 1024ns, 32768ns, 1048576ns, and 33554432ns.
Latency
Use this item to set the C6/C7 short latency time value. Valid range
is 0-1023. The default setting is 118.
C6/C7 Long Latency Control (MSR 0x60C)
Time Unit
Use this item to set the C6/C7 long latency time unit. The options
are 1ns, 32ns, 1024ns, 32768ns, 1048576ns, and 33554432ns.

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