second drive, usually attached through a port replicator or
an expansion unit. The HDD-2 icon represents the hard
disk drive in the UltraBay. The HDD-3 and HDD-4 icons
represent the hard disk drive, attached through an
expansion unit.
Password Combinations (POP, HDP,
PAP)
When the power-on password (POP), hard disk password
(HDP), and supervisor password (PAP) are used, the
following situations may occur:
When POP is the same as HDP-1 or HDP-2
The POP prompt appears, but one of the HDP
prompts does not appear.
When POP is not the same as HDP-1 and HDP-2
The POP, HDP-1, and HDP-2 prompts all appear.
When PAP is used with HDP-1 or HDP-2
When PAP is used, HDP-1 or HDP-2 are enabled
automatically, but no HDP prompt appears. HDP-1
and HDP-2 are set the same as PAP.
How to Run a Low-Level Format
Do the following to format the hard disk.
Attention: Make sure the address of the drive to be
formatted is correct. This procedure erases all
information on the disk.
1. Power-off the computer.
2. Insert the ThinkPad Hardware Maintenance Diskette
Version 1.20 into diskette drive A and power-on the
computer.
3. Select Format the hard disk from the main menu.
4. Select the drive from the menu.
5. Follow the instructions on the screen.
PC Test Card LED
The green LED on the PC test card turns on when the
PCMCIA test is running. If the LED does not turn on,
check that the card is installed correctly by reseating the
card. If it still does not turn on after it is reseated, try
using another slot for the test. If the LED still does not
turn on and the test fails, replace the FRU shown by the
diagnostic error code.
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