Internal Cache (Cpu Cache); External Cache; Ecc/Parity Mode Selection; Memory At 15Mb-16Mb - Acer V55 System User Manual

2.3.1

Internal Cache (CPU Cache)

This parameter enables or disables the internal cache memory.
2.3.2

External Cache

This parameter enables or disables the external cache memory.
Cache Scheme
This parameter fixes the cache setting to
back updates the cache but not the memory when there is a write
instruction. It updates the memory only when these is an
inconsistency between the cache and the memory.
2.3.3

ECC/Parity Mode Selection

This parameter allows you to enable or disable the ECC and parity
check feature.
ECC
The option, ECC detects of both single-bit and multiple-bit errors
but corrects only single-bit errors. The
check. If it detects any parity errors, it signals the operating system of
the parity error detection.
Disable this parameter if you installed SIMMs without parity.
2.3.4

Memory at 15MB-16MB

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. Before setting this parameter, check
your add-on card manual to determine if your add-on card needs this
memory space. If not, set this parameter to
2-12
Write-back Write-
mode.
Parity option allows parity
System Use
.
User's Guide