Intel ETX CD - Manual (Page 69)

10 BIOS Operation
Kontron User's Guide ETX CD 69
Cache Memory
Feature Option Description
Memory Cache
Enabled
Disabled
Enables/disables the memory cache system
Cache System BIOS area Cache setting for System BIOS area
Cache Video BIOS area
Write Protect
uncached
Cache setting for System BIOS area
Cache Base 0-512k
Cache Base 512k-640k
Cache Extended Memory Area
Uncached
Write Through
Write Protect
Write Back
Cache A000 - AFFF
Cache B000 - BFFF
Disabled
USWC Caching
Write Through
Write Protect
Write Back
Cache C800 - CBFF
Cache CC00 - CFFF
Disabled
Write Through
Write Protect
Write Back
Cache D000 - D3FF
Cache D400 - D7FF
Cache D800 - DBFF
Cache DC00 - DFFF Disabled
Write Through
Write Protect
Write Back
Cache E000 - E3FF
Cache E400 - E7FF
Cache E800 - EBFF
Cache EC00 - EFFF Disabled
Write Through
Write Protect
Write Back
Uncached = Disabled: This block is not
cached at all
USWC Caching: Uncached Speculative Write
Combined
Write Through: Writes are cached and send
to main memory at once
Write Protect: Writes are ignored
Write Back: Writes are cached, but not sent
to main memory until necessary