Acer Altos 500 Altos 500 Service Guide - Page 84

Memory/Cache Options Internal Cache(CPU Cache Enabled ] External Cache Enabled ] Cache Scheme Write Back Memory at 15MB-16MB Reserved for ... [System] Memory Parity Mode Disabled] Internal Cache (CPU Cache) This parameter enables or disables the first-level or internal memory, that is, the memory integrated into the CPU. The default setting is Enabled. External Cache This parameter enables or disables the external cache memory. The external cache is incorporated in the CPU module. Cache Scheme This parameter shows the cache scheme status only as Write-back mode. Write-back updates the cache 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. 3-28 Altos 500 System Guide