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Feature Option
Description
Enabled
Memory Cache
Disabled
Set the state of memory
cache.
Write Back
Write
Through
Write Protect
Cache System BIOS area
uncached
Control caching of system
BIOS area.
Write Back
Write
Through
Write Protect
Cache Video BIOS area
uncached
Control caching of video
BIOS area.
Write Back
Write
Through
Write Protect
Cache Base 0-512k
uncached
Control caching of 512k
base memory.
Write Back
Write
Through
Write Protect
Cache Base 512k-640k
uncached
Control caching of 512k
640k base memory.
Write Back
Write
Through
Write Protect
Cache Extended Memory
Area
uncached
Control caching of system
memory above one
megabyte.
Disabled
USHC
Write
Through
Write Protect
Cache A000-AFFF
Cache D400-D7FF
Write Back
Control caching of the
memory blocks.
