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IBM Personal Computer User Guide
Advanced Setup
You can use these features to configure advanced hardware features. Do not
attempt to change these settings unless you have an advanced technical knowledge
of computer hardware. If these settings are configured incorrectly, the computer
might not function correctly.
Cache Control
Use this setting to enable or disable the internal and external processor cache.
Overall system performance improves when cache is enabled.
ROM Shadowing
Video BIOS Shadow
Use this setting to determine whether or not video BIOS will be copied to RAM.
Video performance improves when Video BIOS Shadow is enabled.
Power Management Setup
The Power Management Setup allows you to configure your system to use the most
effective method of saving energy, while operating in a manner consistent with your
own style of computer use.
APM
Video Off Option
This setting determine the video off function for power management.
Enabled Video shadow is enabled
Disabled Video shadow is disabled
Always On The video function is always on.
Suspend -> off
The video function is off when the system is in
Suspend mode.
Susp, Stby -> off
The video function is off when the system is in
Suspend or Stand by mode.
All Mode -> off The video function is off in all modes.