Epson 386/25 - Manual (Page 53)

If the displayed setting is correct, skip this section,
2. To change the processor speed, press Enter. The cursor
moves into the submenu and you see another menu:
(High is 25 MHz, Low simulates 8 MHz, and
Automat i c tells the computer to switch from high to
low when accessing a diskette drive.)
3. Press Enter to move the cursor block into the option menu.
4. Use or to highlight the speed you want and press Enter.
5. Highlight ** SAVE SETTING
* * and press Enter
to return to the main Setup menu.
Setting the Keyboard and Speaker Options
The Keyboard/Sound option lets you control these three features
in your computer:
❏ Speaker
❏ Initial num lock mode
❏ Keyboard repeat rate.
Your computer has a built-in speaker that beeps when you
perform certain operations. The default setting is Enabled
(on) since it serves a useful purpose in many applications;
however, you may prefer to disable the speaker.
Running the Setup Program 2-15