Epson 486SX - Manual (Page 232)

User’s Guide Update
To run any of the following programs from your Reference
diskette, you need to access the Operation Menu:
Setup
Format hard disk
System Diagnostics
Prepare hard disk for moving.
The instructions in your User’s Guide tell you that when you
insert the Reference diskette in drive A and then turn on or
reset your computer, the first screen you see is the Operation
Menu. Under some circumstances, the first screen you see may
be the Setup Utility screen, shown below:
E x i t
Display
Password
Fast boot
Auto speed
Real-time clock
Hard disk drive
Diskette drive
Serial / Parallel
If you are trying to run the Setup program, you can continue
from this screen by following the instructions on page 2-6 of
your User’s Guide.