System Backup (For Serial Prefix Jp1Kh, Jp2Kh, And My432); How To Make A System Backup Disk; System Backup Procedure - Agilent Technologies E4991A Service Manual

System Backup (for serial prefix JP1KH, JP2KH, and
MY432)
The E4991A has the system files, application files and correction constant data in the C
drive of the hard disk. The E4991A also has a backup file in the H drive(Hidden Drive) of
the hard disk drive which includes a compression image of the system files, application
files, and correction constant data. The System Backup copies the system files, application
files and correction constant data in the C drive to the H drive. The correction constant data
in the C drive and the EEPROM is updated to new data after performing the adjustment at
the same time. It is necessary to perform the System Backup after performing the
adjustment so that the System Recovery can be performed correctly. The procedure to
perform the System Backup is as follows.
NOTE The System Backup must be performed by manual after performing the Adjustment. The
Adjustment Program can't perform System Backup.

How to make a system backup disk

Step 1. Copy the files(copydisk.exe, Backup.bin) which is downloadable from CTU-Kobe web
site to the specific directory on the PC.
Step 2. Insert a floppy disk in the floppy disk drive of the PC.
Step 3. Run the DOS prompt, and change the current directory to the specific directory which
includes the above two files.
Step 4. Perform the following command. Then, the system backup disk will be made
automatically.
"copydisk.exe backup.bin a:"

System backup Procedure

Step 1. Connect the external keyboard with the E4991A.
Step 2. Insert the above system backup disk in the floppy disk drive of the E4991A.
Step 3. Power on E4991A.
Step 4. Press
Display as shown in Figure 3-23 is displayed after RAM counting.
Chapter 3

System Backup (for serial prefix JP1KH, JP2KH, and MY432)

key on the external keyboard as soon as the AMI BIOS System Configuration
[F]
Adjustment
149