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Setting the processor speed – Epson 486SX User Manual

Page 47

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2. To change the setting, press

The cursor block

moves to

Extended

memory caching.

3. Press

again. The cursor block moves to the first

range in the cache table. To change the setting for the first

range from

ON to OFF or vice

versa, press (Enter.

4. If you installed memory above 4MB, press three times to

move the cursor block to the 4MB to 5MB range. Press

to change the setting from

ON

to

OFF

,

if necessary.

Then press or to move to the other ranges and press

as necessary, to change the settings.

5. When you are finished, press to move the cursor block to

the submenu.

6. Highlight

* **

SAVE SETTING

** * and press

to

return to the Setup menu.

Setting the Processor Speed

Your computer’s processor can operate at two speeds: high or

low. High speed is 25 MHz or 50 MHz (depending on your

model) and low speed simulates 8 MHz. The processor is set to

operate at high speed (where it can access memory faster)

unless you change it to low or set the speed to change

automatically (when necessary).

When the computer is running at high speed, the

TURBO

indicator on the front panel is illuminated.

You should use high speed for almost everything you do unless

you are using an application program that requires a slower

speed. Some programs (especially older ones) have specific

timing requirements when accessing diskettes. Check your

application program manual.

Running the Setup Program

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