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Chapter 7: BIOS
7-19
Fan Speed Control Modes
This feature allows the user to decide how the system controls the speeds of the
onboard fans. The CPU temperature and the fan speed are correlative. When the
CPU on-die temperature increases, the fan speed will also increase, and vice versa.
Select Workstation if your system is used as a Workstation. Select Server if your
system is used as a Server. Select “Disabled, (Full Speed @12V)” to disable the
fan speed control function and allow the onboard fans to constantly run at the full
speed (12V). The Options are: Disabled, 4-pin (Server), 4-pin (Super Quiet) and
4-pin (Workstation).
Fan1 ~ Fan 5 Reading
This feature displays the fan speed readings from fan interfaces Fan1 through
Fan5.
Vcore, 3.3Vcc, 12V, V_DIMM, 5V, -12V, 3.3VSB, and VBAT
XACPI Confi guration
Use this feature to confi gure Advanced Confi guration and Power Interface (ACPI)
power management settings for your system.
USB Device WakeUp
This feature is used to awaken from Standby mode by a Universal Serial Bus (USB)
device (such as, a USB mouse or USB keyboard). The options are Enabled and
Disabled.
PS/2 KB/MS WakeUp
This feature is used to awaken from Standby mode by a PS/2 mouse or PS/2
keyboard. The options are Enabled and Disabled.
ACPI Aware O/S
Enable ACPI support if it is supported by the OS to control ACPI through the Operat-
ing System. Otherwise, disable this feature. The options are Yes and No.
Headless Mode
This feature is used to enable system to function without a keyboard, monitor or
mouse attached The options are Enabled and Disabled.
ACPI Version Features
The options are ACPI v1.0, ACPI v2.0 and ACPI v3.0. Please refer to ACPI's website
for further explanation: http://www.acpi.info/