IBM THINKPAD S05L-1270-01 - Manual (Page 216)

How to Disable the Power-On Password:
1. Power-off the computer.
2. Open the keyboard, and remove the diskette drive or
CD-ROM drive and the battery pack.
3. Install a jumper on the power-on password connector
on the left side of the FDD connector. (See
“Power-On Password Connector” on page 345 for
location.)
4. Reinstall the battery pack and the diskette
drive/CD-ROM drive.
5. Power-on the computer and wait until the POST ends.
6. Verify that the password prompt does not appear.
7. After the service check is completed, remove the
jumper.
To reactivate the password, set the password again.
Supervisor and Hard Disk Passwords: The
supervisor password and the hard disk password (HDP)
are security features that are used to protect the system
and the hard disk data from unauthorized access. No
overriding capability is provided. If only a hard disk
password is set, obtaining permission from the password
owner to unlock the password is a prerequisite for running
diagnostic tests and performing service. If both supervisor
password and hard disk password are set, you can enter
Easy-Setup by pressing the Enter key or power-on
password at the supervisor password prompt. In this case,
the Password, Start up, and Initialize icons cannot be
selected.
See “Password Combinations (POP, HDP, PAP)” on
page 239 for more information about passwords.
Power Shutdown Switch: The power shutdown
switch resets the system regardless of the microcode
status and forces the power off. Use this push button to
power-off when power is not completely off or the
microcode is in a hung state.
See “Rear View” on page 342 for the power shutdown
switch.
If the following symptoms are present, they may
indicate damage caused by nonwarranted activity:
Missing parts may be a symptom of unauthorized
service or modification.
HDD spindles can become noisy if subjected to
excessive force or by being dropped.
I9990303 errors can be caused by exposure to
strong magnetic fields.
204 IBM Mobile Systems HMM