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Enhancement menu
The Enhancement menu is displayed if you select this option in the
Setup menu and press Enter. The screen might look like this:
.....................-................................
SETUP V2.1C
------------j
E N H A N C E M E N T
M E N U
2 0 . 0 4 . 1 9 8 8
1 3 . 3 1 . 2 4
O p e r a t i n g s p e e d : H i g h
DMA s p e e d : Normal
Shadow o p t i o n PROMs: E n a b l e d
Use arrows t o s e l e c t o p t i o n
<H>= H e l p
< E n t e r > = E n a b l e entry
<Esc> = Back t o p r e v i o u s menu
< ! >
= E x e c u t e e x t e r n a l
command
The options in this menu allow you to adjust the systems
performance to meet your particular computing needs.
Operating speed
Low - Auto - High
This options allows you to change the operating speed of the CPU
(the system clock rate) to obtain compatibility with existing
application software.
High means that the CPU operates at 16 MHz. High is default.
Low reduces the CPU speed to 6 MHz, simulating the operation of
an 80286-based computer.
Auto means that the CPU operates at 16 MHz but during diskette-
drive operations the speed is reduced to 6 MHz, allowing for timing-
sensitive diskette copy protection schemes.
4-25
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