Epson 20 - Manual (Page 53)

10. Press any key to restart the system (the MS-DOS Startup diskette
is already in drive A). Your computer reloads MS-DOS,
displaying the preliminary copyright information and the date
prompt.
11. Press Enter twice to accept the date and time shown.
The system now recognizes the primary partition as drive C and the
extended partition as drives D and E. The A > prompt reappears.
After you create the partitions, you must format each logical drive
separately. Follow the instructions below.
Formatting the Primary Partition
Use the SELECT command to format the primary partition, drive C.
SELECT automatically does the following:
l
Formats the partition
l
Labels the partition
l
Copies the MS-DOS system files to the hard disk.
After you have done this, MS-DOS boots automatically from this
partition on the hard disk every time you turn on or reset your
computer (as long as there is no diskette in drive A).
Follow these steps to format the primary partition:
1. Insert the working copy of the MS-DOS Startup diskette in drive
A (if it is not there already).
2. At the A> prompt, type the following and press Enter:
SELECT A: C:\DOS 001 US
Preparing a Hard Disk for Use 3-9