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Boot to OS/2
Set this option to Enabled to permit the BIOS to run properly, if OS/
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2
is to be used with > 64MB of DRAM. The settings are Enabled or
Disabled. The Optimal and Fail-safe default settings are Disabled.
Internal Cache/External Cache
This option selects the type of caching algorithm used by AMI
BIOS and the CPU for L1 cache memory(internal/external to the CPU). The
settings are Writeback - a writeback algorithm is used, Write-through - a
write-through algorithm is used or Disabled - AMI
the type of caching algorithm. The algorithm is set by the CPU. The Optimal
and Fail-Safe default settings are Writeback.
System BIOS Cacheable
®
AMI
BIOS always copies the system BIOS from ROM to RAM for
faster execution. Set this option to Enabled to permit the contents of the
F0000h RAM memory segment to be written to and read from cache memory.
The settings are Enabled or Disabled. The Optimal default setting is Ena-
bled. The Fail-Safe default setting is Disabled.
C000, 32K Shadow
These options specify how the contents of the video ROM are
handled. The settings are:
Disabled - the Video ROM is not copied to RAM.
Cached - the contents of the video ROM from C0000h - C7FFFh are
Shadow - the Contents of the video ROM from C0000h - C7FFFh are
The Optimal and Fail-Safe default setting is Cached.
not only copied from ROM to RAM; it can also be written
to or read from cache memory.
copied(shadowed) from ROM to RAM for faster execu-
tion.
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BIOS does not specify
4-8
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