User`s manual

Chapter 3 Award BIOS Setup 39
OS Select for DRAM > 64 MB
This setting is under the OS/2 system.
Video BIOS Shadow
This determines whether video BIOS will be copied to RAM,
which is optional according to the chipset design. When enabled,
Video BIOS
Shadow increases the video speed.
C8000-CBFFF Shadow / CC000-CFFFF Shadow
These determine whether optional ROM will be copied to RAM in
blocks of 16 KB.
Enabled Optional shadow is enabled.
Disabled Optional shadow is disabled.