You can change the processor speed by entering one of the commands shown in the following table.
Speed setting commands
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To enter these commands, hold down the Ctrl key and the Alt key simultaneously and then press the 2, +, 1, or - key. Use the + or - key on the numeric keypad or the 1 or 2 key on the main keyboard.
Note
You can use the commands listed above while you are running a program. However, if the program uses one of the same commands for another function, you cannot use it to change the processor speed. For example, if you are running a program that uses the Ctrl Alt - command to move the cursor, you cannot enter Ctrl Alt - to change the processor speed to low. Another alternative is to use the ESPEED program, described below.
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.