Intel ETX CD manual Cache Memory, Write Protect

10 BIOS Operation

Cache Memory

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

Kontron User's Guide ETX CD 69