Kontron EPIC/CE, User Manual

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24 Appendix B: BIOS Operation
Kontron User's Guide EPIC/CE 73
24.4.5 Memory Cache Submenu
Feature Option Description
Memory Cache
Disabled
Enabled
Enables or Disables L2 cache.
Cache System BIOS area
Uncached
Write Protect
Controls caching of System BIOS area.
Cache Video BIOS area
Uncached
Write Protect
Controls caching of Video BIOS area.
Cache Base 0-512K
Uncached
Write Through
Write Protected
Write Back
Controls caching of base memory
up to 512KB.
Cache Extended Memory area
Uncached
Write Through
Write Protected
Write Back
Controls caching of system memory
above 1MB.
D000 - D3FF
D400 - D7FF
D800 - DBFF
DC00 - DFFF
Disabled
Write Through
Write Protected
Write Back
Disabled: block is not cached.
Write Through: Write are cached and sent to main
memory at once.
Write Protect: Writes are ignored.
Write Back: Writes are cached but not sent to main
memory until necessary.
Note:
In the Option column, bold shows default settings.