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Kontron
Appendix C: BIOS Operation
34
ETX-P3/C3 User’s Guide
14.3.3.
Memory Cache Submenu
Feature
Option
Description
Memory Cache
Disabled
Enabled
Enables or Disables L2 cache.
Cache System BIOS area
Uncached
Write Protect
Caches system BIOS to improve performance.
Cache Video BIOS area
Uncached
Write Protect
Caches video BIOS to improve performance.
Cache Extended Memory area Uncached
Write Through
Write Protect
Write Back
Controls caching of system memory above 1MB.
CC00 – CFFF
Disabled
Write Through
Write Protect
Write Back
Disabled: This block is not cached.
Write Trough: Writes 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.
D000 – D3FF
See above.
See above.
D400 – D7FF
See above.
See above.
D800 – DBFF
See above.
See above.
DC00 – DFFF
See above.
See above.
Note
: In the Option column, bold shows default settings.