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C000,16 KB Shadow
C400,16 KB Shadow
C800,16 KB Shadow
CC00,16 KB Shadow
D000,16KB Shadow
These options control the location of the contents of the 16KB of
ROM beginning at the specified memory location. If no adapter
ROM is using the named ROM area, this area is made available to
the local bus. The settings are:
Setting
Shadow
Enabled
Disabled
44
SBC-456/456E User Manual
D400,16KB Shadow
D800,16KB Shadow
DC00,16KB Shadow
E000, 64KB Shadow
Description
The contents of C0000h - C3FFFh are written to the
same address in system memory (RAM) for faster
execution.
The contents of the named ROM area are written to
the same address in system memory (RAM) for
faster execution, if an adapter ROM will be using
the named ROM area. Also, the contents of the
RAM area can be read from and written to cache
memory.
The video ROM is not copied to RAM. The contents
of the video ROM cannot be read from or written to
cache memory.
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