1. System Utilities
Express5800/R120h-1M, R120h-2M Maintenance Guide
98
Chapter 2 Useful Features
Option
Parameter
Description
Energy Efficient Turbo
[Enabled]
Disabled
This option controls whether the processor uses an
energy efficiency based policy when engaging
turbo range frequencies. This option is only
applicable when Turbo Mode is enabled.
Local/Remote Threshold
[Auto]
Low
Medium
High
Disabled
Local/Remote Threshold setting.
LLC Dead Line
Allocation
(*1)
[Enabled]
Disabled
When it is made effective, it may meet the dead line
of LLC depending on the situation.
When it is made disable, it will not meet the dead
line of LLC.
Stale A to S
(*1)
Enabled
[Disabled]
It optimizes the directories from A to S which have
become old.
Processor Prefetcher
Options
-
Use this menu to set options such as HW
Prefetcher, Adjacent Sector Prefetcher, DCU
Stream Prefetcher, and DCU IP Prefetcher.
I/O Options
-
Use this menu to adjust ACPI SLIT Preferences,
INTEL NIC DMA Channels, ACPI PXM
Enablement, and I/O Non-Posted Prefetching.
Intel UPI Options
-
Select this option to display the Intel UPI Options
menu. Use this menu to change settings for ACPI
SLIT, Intel NIC DMA, Memory Proximity Reporting
for I/O, and I/O Non-posted Prefetching.
Advanced Performance
Tuning Options
-
Select this option to display the Advanced
Performance Tuning Options menu.
Advanced Power
Options
-
Select this option to display the Advanced Power
Options menu. Use this menu to enable advanced
power features, such as Channel Interleaving and
Collaborative Power Control. You can also set the
UPI Link Frequency to a lower speed and set the
Processor Idle Power State.
[ ]: Default setting
*1: an option usable with System ROM Version 1.20 or later.