Specifications

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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 DESCRIPTION
Disabled The video ROM is not mapped to RAM. The
contents of the video ROM cannot be read from or
written to cache memory.
Enabled The contents of C000h - C7FFFh are written to the
same address in system memory (RAM) for faster
execution.
Cached This option specifies the size of the memory area
reserved for legacy ISA adapter cards.
Shadow Setting