Processor & clock options – SUPER MICRO Computer X8STI-F User Manual
Page 75

Chapter 4: AMI BIOS
4-5
Wait For 'F1' If Error
This forces the system to wait until the 'F1' key is pressed if an error occurs. The 
options are Disabled and 
Enabled.
Hit 'Del' Message Display
This feature displays "Press DEL to run Setup" during POST. The options are 
Enabled and Disabled. 
Watch Dog Function
If enabled, the Watch Dog Timer will allow the system to reboot when it is inactive 
for more than 5 minutes. The options are Enabled and 
Disabled.
Power Button Function
This setting allows you to decide if the power button will instantly turn the system 
off, or wait 4 seconds to turn off while the button is depressed. 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.
Interrupt 19 Capture
Interrupt 19 is the software interrupt that handles the boot disk function. When this 
item is set to Enabled, the ROM BIOS of the host adaptors will "capture" Interrupt 
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.
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.
CPU Ratio
This feature allows the user to use the CPU clock multiplier to multiply CPU speed 
in order to enhance performance. Select Manual to Manually set the multiplier set-
