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Themis Computer
3—BIOS Setup Utility
Advanced Setup Configurations
maximum cooling. The FS setting is recommended for special system configuration
or debugging. Select “Performance/PF” for better system cooling. The PF setting is
recommended for high-power-consuming and high density systems. Select “Bal-
anced/BL” for the onboard fans to run at a speed that will balance the needs between
system cooling and power saving. The BL setting is recommended for regular sys-
tems with normal hardware configurations. Select “Energy Saving/ES” for best
power efficiency and maximum quietness. The Options are: Full Speed/FS, Perfor-
mance/PF, Balanced/BL, and
Energy Saving/ES
(as set by the configurations in this
manual).
3.3.9.5 Voltage Monitoring
CPU1 Vcore, CPU2 Vcore, CPU1 DIMM, CPU2 DIMM, 5V, 5VSB, 12V, -12V,
3.3Vcc, 3.3VSB, VBAT, and Vtt.
3.3.10
ACPI Configuration
Use this feature to configure Advanced Configuration and Power Interface (ACPI)
power management settings for your system.
3.3.10.1 High Performance Event Timer
Select Enabled to activate the High Performance 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, and reducing the
dependency on other timestamp calculation devices such as an x86 RDTSC Instruc-
tion embedded in the CPU. The HPET is used to replace the 8254 Programmable
Interval Timer. Options are
Enabled
(default) and Disabled.
3.3.10.2 ACPI Aware O/S
Select Yes to enable ACPI support for an operating system that supports ACPI.
Select No to disable ACPI support for an OS that does not support ACPI. The
options are
Yes
(default) and No.
3.3.10.3 ACPI APIC Support
Select Enabled to include the ACPI APIC Table Pointer in the RSDT (Root System
Description Table) pointer list. The options are
Enabled
(default) and Disabled.
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