363-206-285 Detailed Level Procedure: DLP-534
Issue 2, February 2000 Page 5 of 8
DDM-2000 OC-3 MULTIPLEXER
Copying Files — Single Floppy System
If you have a single floppy system (with or without a hard disk), insert the original new
generic program diskette into drive A, and close the door. Type the following
command after the prompt:
copy a:*.* b: <Enter>
This command tells
MS-DOS
software to copy all of the files from drive A to drive B.
Since there is no drive B physically installed,
MS-DOS
software will pretend that there
is one. It does this by copying a file from drive A (as much as it can fit) into the PC’s
memory. It then displays the following message:
Insert diskette for drive B:
Strike any key when ready...
Open the drive door, and remove the original diskette from the drive. Insert the
working copy diskette into the drive, and close the door. Depress any key. The
MS-DOS
software now copies the file from the PC memory to the working copy
diskette which you inserted into drive A. When the copy is complete, it will display the
following message:
INSERT DISKETTE FOR DRIVE A:
STRIKE ANY KEY WHEN READY...
Open the drive door, and remove the working copy diskette from the drive. Insert the
original diskette into the drive, and close the door. Depress any key. The
MS-DOS
software now begins where it left off. This process repeats until the entire diskette has
been copied. In summary:
• When you are prompted to insert diskette for drive A, insert the original diskette
into the floppy drive.
• When you are prompted to insert diskette for drive B, insert the working copy
diskette into the floppy drive.
• Repeat until the prompt A> appears on the display screen.
When the process is complete, the prompt A> will be displayed on the screen.
Repeat this procedure for all original diskettes. Before using the diskette(s) to install
the new program, it is a good idea to make backup copies of the working copy. If the
working copy is ever lost or damaged, you will have a backup copy and will not have
to create a new working copy from the original(s).
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