Themis RES - 32XR3, Installation Manual

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Themis Computer
RES-21XR3 for X8SAX Installation Manual
(@30% of PWM Cycle).
3.3.8.7 Voltage Reading
This feature displays the current voltage detected of the various components in the
system:
Vcore, VDIMM, 5V, 12V, -12V, 3.3 Vcc, 3.3VSB, VBAT, Vtt
3.3.9 ACPI Configuration
Use this feature to configure Advanced Configuration and Power Interface (ACPI)
power management settings for your system.
3.3.9.1 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 High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are
Enabled (default) and Dis-
abled.
3.3.9.2 USB Device Wakeup from S3/S4
This option is used to enable system wakeup through a USB device from suspend
states S3/S4. The options are
Enabled (default) and Disabled.
3.3.9.3 ACPI Aware O/S
Enable ACPI support if it is supported by the OS to control ACPI through the Oper-
ating System. Otherwise, disable this feature. The options are
Yes (default) and No.
3.3.9.4 Suspend Mode
This option is used to select the ACPI State that is used for system suspend. The
options are
S1 (POS) , S3 (STR) and Auto.
• S1 (POS) - All processor caches are erased, and stops executing instructions.
Power to the CPU and RAM is maintained, but RAM is refreshed.
• S3 (STR) - The CPU has no power and the power supply goes on reduced