Epson 3865X Plus - Manual (Page 97)

To enter these commands, hold down the CTRL key and the
ALT key and press the +, -, or * key located on the numeric
keypad. The speed setting remains in effect until you press the
RESET button or turn off the computer, or until you change it
again using the Setup program, another keyboard command, or
the ESPEED program, described below.
Using the
ESPEED
Program
The E-SPEED program allows you to change the processor speed
to high or low, or set the speed to change automatically.
The ESPEED program is provided with your system on the
Reference diskette. If you do not have a hard disk, insert your
Reference diskette into drive A before you enter the command
to start the program.
If you have a hard disk drive, copy the file ESPEED.EXE from
your Reference diskette onto your hard disk so you can run the
program from there. See Chapter 3 for more information.
To run the ESPEED program, type the following at the
MS-DOS command prompt and press Enter:
ESPEED
Enhancing System Operations 4-5