Chapter 4: BIOS
4-13
Hardware Health Confi guration
CPU Overheat Alarm
Use the "+" and "-" keys to set the CPU temperature threshold to between 65
o
and 90
o
C. When this threshold is exceeded, the overheat LED on the chassis
will light up and an alarm will sound. The LED and alarm will turn off once the
CPU temperature has dropped to 5 degrees below the threshold set. The default
setting is
72
o
C
.
Fan Speed Control Modes
This feature allows the user to determine how the system will control the speed of
the onboard fans. Select "Workstation" if your system is used as a Workstation.
Select "Server" if your system is used as a Server. Select "Disable" to disable
the fan speed control function to allow the onboard fans to continuously run at
full speed (12V). The options are Full Speed (FS), Performance (PF), Balanced
(BL) and
Energy Saving (ES)
.
FAN1 Speed through FAN8 Reading
The speeds of the onboard fans (in rpm) are displayed here.
Other items in the submenu are systems monitor displays for the following
information:
NB 1 Temperature, NB2 Temperature, SAS Temperature, CPU1 VCore, CPU2
VCore, CPU1 Mem VTT, CPU2 Mem VTT, CPU1 Mem, CPU2 Mem, NB1 1.1V,
NB2 1.1V, 5V, +12V, -12V, 3.3Vcc, 3.3VSB, VBAT and HT Voltage.
ACPI Confi guration
High Performance Event Timer
This setting
Enables
or Disables the high performance event timer.
PS/2 KB/MS Wakup
This option Enables or
Disables
the keyboard/mouse wakeup for these
devices.
USB Device Wakup
Use this setting to Enable or
Disable
USB device wakup from S3/S4.
ACPI Aware O/S
This setting enables or disables ACPI support for the operating system. Use
Enable (Yes) if the OS supports ACPI. Use Disable (No) if the OS does not
support ACPI. Options are
Yes
or No.