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Setting the Shadow RAM
Your computer can access RAM (random access memory)
faster than ROM (read-only memory). The Shadow RAM
feature enables the Equity 32sx PLUS to copy the contents
of its system BIOS and/or video ROM into RAM
so it can perform certain operations faster.
The SETUP Shadow RAM option lets you choose what to
place in the shadow RAM area:
0 System
3 Video
0 System and video
0 None.
Select
System+Video
unless you have installed a memory
card or video card that provides its own shadow RAM (in
which case you can select just
System
or just
Vi deo). Select
None
if you do not want to use the Shadow RAM function.
Note
Shadow RAM uses 128KB of the RAM available between
640KB and 1MB in your system (384KB). If you use the
shadow RAM feature, 256KB of this memory is available
for use as extended or expanded memory. If you do not
use shadow RAM, you can use all of the 384KB of RAM as
extended memory, but only 256KB of it as expanded
memory. See “Using Expanded Memory Above 640KB” in
Chapter 4 for more information.
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Running the SETUP Program