3-7
Themis Computer
BIOS Setup Utility
Advanced Setup Configurations
before a power loss. The options are Power-On, Power-Off and
Last State
.
3.3.1.11 Interrupt 19 Capture
Interrupt 19 is the software interrupt that handles the boot drive 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 drives. If this item is set to Disabled, the ROM BIOS of the host adaptors
will not capture Interrupt 19, and the drives attached to these adaptors will not func-
tion as bootable devices. The options are
Enabled
and Disabled.
3.3.2
Processor and Clock Options
This submenu allows the user to configure the Processor and Clock settings.
3.3.2.1 CPU Ratio
Select Manual to manually configure the CPU Ratio. Select Auto to allow the BIOS
to automatically configure the CPU Ratio. The options are
Auto
and Manual.
3.3.2.2 Ratio CMOS Setting (Available when the item-CPU Ratio is set
to Manual)
If CPU Ratio is set to Manual (above), this option allows the user to press <+> or <-
> on the keyboard to set the ratio between the CPU Core Clock and the FSB Fre-
quency. The default setting depends on the type of CPU installed on the mother-
board. The default setting is
[19]
.
3.3.2.3 Clock Spread Spectrum
Select Enable to use the feature of Clock Spectrum support, which will allow the
BIOS to monitor and attempt to reduce the level of Electromagnetic Interference
caused by the components whenever needed. The options are
Disabled
and Enabled.
3.3.2.4 Hardware Prefetcher (Available when supported by the CPU)
If set to Enabled, the hardware prefetcher will prefetch streams of data and instruc-
Note:
If an invalid ratio is entered, the AMI BIOS will restore the setting to the
previous state.
