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Mitsubishi Electric apricot MS660 Owner's Handbook Manual Page 94

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S y s t e m B I O S a n d S e t u p
Advanced Setup
Any settings changed here, if incorrect, may cause the system to halt
or may cause your software to malfunction. A warning about this
appears on the screen when you choose Advanced Setup from the
Cache Control
A simple dialog allows you to enable or disable the computer's
memory cache. Some older software is speed sensitive and on rare
occasions you may need to disable the cache.
ROM Shadowing
To shadow ROM means to copy its contents into the computer's
system or random-access memory (RAM). This is beneficial for two
reasons: ROM has (relatively) long access times and the processor
can access RAM faster than ROM; second, the contents of RAM
can be cached for even greater performance. All of the computer's
system BIOS ROM is shadowed.
The ROM Shadowing option allows you to shadow video BIOS
and up to three 32 Kbytes areas of expansion card ROM (that is,
ROM fitted on ISA or PCI expansion cards) addressed between
C8000h and DFFFFh.
See the chapter entitled, 'Expansion' for more information about
addressing expansion card ROM.
Shadowing is only appropriate for expansion card ROM. It must not be
enabled for expansion card RAM.
PCI Options
The only configurable PCI setting is Palette Snooping, which can be
"Enabled" or "Disabled", it should be enabled only for PCI video
expansion cards that require it.
Universal Serial Bus (USB)
This is available for future use with USB compatible peripherals and
is set to 'enabled'.


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