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Chapter 7: BIOS
Interrupt 19 Trap Response
Interrupt 19 is the software interrupt that handles the boot disk function. When this
item is set to Immediate, the ROM BIOS of the host adaptors will "trap" Interrupt
19 immediately and allow the drives that are attached to these host adaptors to
function as bootable disks. If this item is set to Postponed, the ROM BIOS of
the host adaptors will execute the trap during legacy boot only. The options are
Immediate and Postponed.
Watch Dog Function
If enabled, the Watch Dog timer will allow the system to automatically reboot when
a non-recoverable error occurs that lasts for more than fi ve minutes. The options
are Enabled and Disabled.
Power Button Function
This feature controls how the system shuts down when the power button is pressed.
Select 4-Seconds Override to force the user to press and hold the Power Button for
4 seconds before the system turns off. Select Instant Off if you want the system to
instantly power off when the Power Button is pressed. The options are 4 Seconds
Override and Instant Off.
Restore on AC Power Loss
Use this feature to set the power state after a power outage. Select Power-Off for
the system power to remain off after a power loss. Select Power-On for the system
power to be turned on after a power loss. Select Last State to allow the system to
resume its last state before a power loss. The options are Power-On, Power-Off
and Last State.
CPU Confi guration
Note: Take Caution when changing the Advanced settings. An incorrect value may
cause system to become unstable. When this occurs, revert to the default setting.
Clock Spread Spectrum
Select Enabled to allow BIOS to monitor and attempt to reduce the level of
Electromagnetic Interference caused by the components whenever needed. Select
Disabled to enhance system stability. The options are Disabled and Enabled.
Intel® Hyper Threading Technology
Set to Enabled to use the processor's Hyper Threading Technology feature. The
options are Enabled and Disabled.
7-5
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