User's Manual (1.0c)
Chapter 4: AMI BIOS
4-19
ACPI Setting
Use this feature to congure Advanced Conguration and Power Interface (ACPI)
power management settings for your system.
ACPI Sleep State
Use this feature to select the ACPI State when the system is in sleep mode. Select
S1 (CPU_Stop_Clock) to erase all CPU caches and stop executing instructions.
Power to the CPU(s) and RAM is maintained, but RAM is refreshed. Select Suspend
to use power-reduced mode. Power will only be supplied to limited components
(such as RAMs) to maintain the most critical functions of the system. The options
are S1 (CPU_Stop_Clock), and Suspend Disabled.
NUMA Support
Select Enabled to enable Non-Uniform Memory Access support to improve CPU
performance for a system that has an OS with NUMA support. The options are
Enabled, and Disabled.
RTID
This feature indicates the total number of RTIDs for local and remote poots. The
options are Optimal and Alternate.
High Precision Event Timer
Select Enabled to activate the High Precision Event Timer (HPET) that produces
periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does
in synchronizing multimedia streams, providing smooth playback, reducing the de-
pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-
tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are Enabled and Disabled.
ME(ManagementEngine)SubsystemConguration
This feature displays the following ME Subsystem Conguration settings.
•ME BIOS Interface Version
•ME Version
iSCSI: This item displays the following iSCSI information:
iSCSI Initiation Name
This item displays the name of the iSCSI Initiator, which is a unique name used
in the world.