Epson Equity IIe, User Manual

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Selecting the Operating Speed
The Equity IIe can operate at two speeds: 8 MHz or 12 MHz. At
12 MHz, the computer accesses memory faster than at 8 MHz.
You will probably use this speed for almost everything you do.
However, certain application programs have specific timing
requirements for diskette access and can run only at the slower
speed. See the manual for your application program to
determine if this is the case.
Use the
CPU SPEED
switch on the front panel to change
the CPU speed; move it left for 8 MHz or right for 12 MHz.
When the computer runs at 8 MHz, the power light is orange;
at 12 MHz, it is green.
CPU SPEED switch
You do not need to turn off the computer to change the
operating speed, but do not change it while you are running a
program. Complete your current operation, exit the program
to
MS-DDS,
and then change the speed.
Using the Equity Ile 3-5