Yukon HX Motherboard User Manual
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appears every time the computer is turned on. If “Setup” is chosen, the password
prompt appears when BIOS Setup is executed. The default settings for Optimal and
Power-On are “Setup”.
Parity Check
Set this option to “Enabled” to check the parity of all system memory. The settings are
“Disabled” or “Enabled”. The default settings for Optimal and Fail-Safe are “Disabled”.
Boot to OS/2, DRAM 64MB or Above
When using OS/2 operating system with installed DRAM of greater than 64 MB, you
need to enable this option; otherwise, set this option to “No”. The default setting is
“No”.
External Cache
This option specifies the caching algorithm used for L2 secondary (external) cache
memory. The available settings are:
Setting
Description
Disabled
L2 secondary cache memory is disabled.
Enabled
L2 secondary cache memory is enabled.
System BIOS Cacheable
The settings are “Disable” and “Enabled”. When this option is set to “Enabled”, the
system performance is enhanced, but there might be some compatibility problems.
When this option is set to “Disabled”, the system performance might be slower, but
greater compatibility is achieved. The Optimal default setting is “Enabled”. The Fail-
Safe default setting is “Disabled”.
Video Shadow
This field allows you to change the video BIOS location from ROM to RAM. Relocating
to RAM enhances system performance, as information access is faster than the ROM.
The Optimal default setting is “Enabled”. The Fail-Safe default setting is “Disabled”.
