4. Press Ctrl+Alt+Ins to start the Monitor program.
5. In the Monitor program, type BF and press Enter to
boot from the diskette drive.
6. Follow the Advanced Diagnostics menus to test the
computer. (Press F1 for help.)
Running PREP
The PREP utility initializes and prepares the hard disk
surface for storage of data. It performs a low level format
then checks for bad sectors. If any bad sectors are found,
they are marked in a way that prevents data from being
stored in them.
There are two situations when PREP is used:
1. To prepare the hard disk surface for formatting when
installing a new hard disk drive.
2. To exclude sectors of the hard disk that have become
unusable, indicated by intermittent or continuous hard
disk drive read failures.
Warning: PREP erases all data on the hard disk. If
possible, back up the data on the hard disk to diskettes
before running PREP.
To run PREP:
1. Boot the Advanced Diagnostics diskette.
2. Press the right arrow key to select the “Run Tests”
menu.
3. Press the down arrow key to select “Advanced
Utilities” from the menu and press Enter.
4. Select “PREP” and press Enter.
PREP displays its version number, a list of informational
messages, and then asks if you want to proceed.
Do you want to proceed with PREP (Y/N)?
Press N if you want to cancel PREP and return to the DOS
command line. Press Y to continue with PREP.
PREP asks for the hard disk drive unit number
(drive C = 0 and D = 1).
Hard disk drive unit number (0 - 7):
Enter the drive number. You will then be offered one more
chance to cancel PREP. PREP will prompt you to press P
to continue. Pressing any other key will cancel PREP and
return you to the DOS prompt.
PREP first scans the hard disk for bad sectors that have
previously been marked. It displays the message:
Scanning for previous bad sectors...
PREP then performs a low level format of the hard disk
surface. It display the message:
64 IBM Mobile Systems HMM - Volume 1
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