Advanced Chipset Control - Supermicro Supero X8DTU-F User Manual

X8DTU/X8DTU-F User's Manual
C-State Package Limit Setting
If this item is set to Auto, the AMI BIOS will automatically set the limit on the C-State
package register. The options are Auto, C1, C3, C6 and C7.
C1 Auto Demotion
When this item is set to Enabled, the CPU will conditionally demote C3, C6 or
C7 requests to C1 based on un-core auto-demote information. The options are
Disabled and Enabled.
C3 Auto Demotion
When this item is set to Enabled, the CPU will conditionally demote C6 or C7 re-
quests to C3 based on un-core auto-demote information. The options are Disabled
and Enabled.
ACPI T State
Select Enabled to report processor throttling in ACPI (Advanced Configuration and
Power Interface). The options are Disabled and Enabled.
Advanced Chipset Control
The items included in the Advanced Settings submenu are listed below:
CPU Bridge Configuration
•
CPU Revision: This item displays the CPU revision number.
•
Current QPI Frequency: This item displays current QPI frequency.
•
Current Memory Frequency for CPU1/ CPU2: This item displays current CPU
memory frequency for CPU1/CPU2.
•
Memory Reference Code Rev.: This item displays the revision number of the
memory reference code.
•
QPI Reference Code Rev.: This item displays the revision number of the QPI
reference code for the motherboard.
Request Transaction ID (Available for the Intel Xeon 5600 platform only)
QuickPath Interconnect (QPI) is the connection between the CPUs and the I/O
hubs (IOHs). For a transaction to be processed in the QPI, a "Transaction ID" is
required, and it is assigned by an agent (CPU1, CPU2 or the IOH). Each agent
is allocated a number of Transaction IDs based on the QPI IO bandwidth and the
Request Transaction ID (RTID) setting (32-24-32 or 32-16-40). Once Transaction
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