Epson 386SX - Manual (Page 93)

Note
The MS-DOS Shell program is a menu-driven program
which makes it easy for you to move, create, delete, and
rename files and directories, as well as view files and execute
commands. See your
MS-DOS Shell User’s Guide for
instructions.
If your Equity 386SX has a hard disk drive, follow these
precautions to protect it from damage and to avoid losing data:
Never turn off the computer when the hard disk drive light
is on. This light indicates that the computer is copying data
to or from the hard disk. If you interrupt this process, you
can lose data.
Never attempt to open the hard disk drive. The disk itself is
enclosed in a sealed container to protect it from dust.
Before you move your computer (even to another part of
the room), you need to prepare the hard disk for moving.
See “Preparing the hard disk for moving,” below, for
instructions.
A hard disk must be partitioned and formatted before you can
use it. Be sure you have performed the procedures in your
MS-DOS Installation Guide to prepare your hard disk for use.
You can enhance the performance of your hard disk by using
the SMARTDRV.SYS device driver and the FASTOPEN
command. See your MS-DOS Reference Manual for
instructions.
Using the Equity 386SX 3-23