Chapter 7: BIOS
7-5
19 at boot and allow the drives that are attached to these host adaptors to function
as bootable disks. If this item is set to Disabled, the ROM BIOS of the host adap-
tors will not capture Interrupt 19, and the drives attached to these adaptors will not
function as bootable devices. The options are Enabled and Disabled.
Watch Dog Function
If enabled, the Watch Dog Timer will all o w t h e system to reboot when it is inactive
for more than 5 minutes. The option s are Enabl ed and Disabled.
Power Button Function
This feature controls how the system shuts down when the power button is pressed.
Select 4-Second 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
instanty power off when the Power Button is pressed. The options are 4 Second
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.
VFC
This item enables or disables the VESA Feature Connector (VFC) option. The op-
tions are Enabled and Disabled.
Deep Sx
Select Enabled to enable Deep Sleep State support. The settings are Enabled and
Disabled.
Processor & Clock Options
Warning: Take Caution when changing the Advanced settings. An incorrect
value, a very high DRAM frequency or incorrect DRAM timing may cause
system to become unstable. When this occurs, revert to the default setting.
Hardware Prefetcher (Available when supported by the CPU)
If set to Enabled, the hardware pre fetcher will pre fetch streams of data and instruc-
tions from the main memory to the L2 cache in the forward or backward manner to
improve CPU performance. The options are Disabled and Enabled.