Epson Endeavor, User Manual

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Changing the Processor Speed
Your computer’s processor can operate at two speeds: high
or low. High speed is the highest speed at which your
microprocessor is capable of running, such as 25,33, or
50 MHz. Low speed simulates an 8 MHz processor to provide
compatibility with older application programs.
Note
When your computer is operating at high speed, the
SPEED
light on the front panel is green. When the computer is
operating at low speed, the light is amber.
You should use high speed for almost everything you do
because your programs will work faster. However, certain
application programs have specific timing requirements and
can run only at the slower speed. See your software manual to
determine if this is the case.
Some copy-protected programs require the computer to run at
low speed while accessing the program on a diskette. These
programs also usually require you to leave a key disk—the
diskette that contains the copy protection-in the diskette
drive. If you use a copy-protected program, you can change the
speed to low to access the diskette and return it to high speed
when you are finished.
1-24 Using Your Computer