Acer M19A System User Manual page 80

Cache Scheme
This parameter allows you to select
for the cache mode.
Write Back
memory when there is a write instruction. It updates the memory only
when there is an inconsistency between the cache and the memory.
updates both the cache and the memory whenever
Write Through
there is a write instruction.
System BIOS Cacheable
Set this parameter to
Enabled
directly from the cache memory, thus allowing your system to function
faster. Set this to
Disabled
default is
Enabled.
Video BIOS Cacheable
Set this parameter to
Enabled
directly from the cache memory, thus allowing your system to function
faster. Set this to Disabled
default is
Enabled.
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.
Memory ECC Mode
This parameter allows you to select the DRAM operating mode.
Setting to ECC turns on the error check and correct (ECC) function.
ECC automatically corrects any single-bit errors detected.
multiple-bit errors detected, ECC only issues an NMI to signal the
operating system of the multiple-bit error detection.
deactivates the function.
Disabled
BIOS Utility
Write Back or Write Through
updates the cache but not the
if you want the system BIOS to run
to run the system BIOS from RAM. The
if you want the video BIOS to run
to run the video BIOS from RAM. The
For
Setting to
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