Acer AcerPower 2100 User Manual page 84

External Cache
This parameter enables or disables the secondary cache memory.
The default setting is Enabled
Cache Scheme
This parameter display the cache scheme in
but not the memory when there is a write instruction. It updates the memory only when
there is an inconsistency between the cache and the memory.
Memory at 15MB-16MB Reserved For
To prevent memory address conflicts between the system and expansion boards, reserve
this memory range for the use of either the system or an expansion board.
Some VGA cards have required settings for
this feature. Check your VGA card manual
before setting this parameter.
Memory Parity Mode
This parameter allows you to enable or disable the ECC (Error Checking and Correction)
feature. The ECC feature enables BIOS to detect and correct data errors. Disable this
parameter if you want to disregard the function.
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Write-back
mode.
Write-back
updates the cache