The FDD-1 icon represents the first drive in the system
configuration. Similarly, the FDD-2 icon represents the
second drive, attached to the external diskette drive
connector or through a Port Replicator.

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 the POP is the same as the HDP

The POP prompt appears, but the HDP prompt does
not appear.

When the POP is not the same as the HDP

The POP and HDP prompts both appear.

When the PAP and HDP are enabled

When a PAP is used, the HDP is enabled
automatically, but no HDP prompt appears. The HDP
is set to the same password as the PAP.
How to Run a Low-Level Format
Do the following to format the hard disk.
Warning: Make sure the drive address to be formatted is
correct. This procedure will erase all information on the
disk.
1. Power off the computer.
2. Insert the ThinkPad 750Ce hardware maintenance
diskette into diskette drive A and power on the
computer.
Note
You can use this maintenance diskette for the
ThinkPad 365X and 365XD computers.
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.
124 IBM Mobile Systems - ThinkPad HMM Volume 3