Avoiding battery removal in compaq nc6400

[Klee5896]

How to avoid removing cmos battery to remove power-on password &/or adm password

 

[TenPc]

1) Turn off computer
2) Disconnect AC adapter
3) Remove battery pack, and remove the laptops keyboard
4) Disconnect RTC (Real Time Clock) battery (located underneath the keyboard, the red/white wire)
5) Leave off for five minutes (although the OP found that 15 minutes was better)
6) Reconnect the RTC battery and reassemble the laptop
7) Reconnect AC adapter (DO NOT REINSERT ANY BATTERIES AT THIS TIME!)
8) Turn on the computer and enter the BIOS by pressing F10
9) Set the new BIOS password and save all settings.
10) Turn off the laptop and reinsert the battery

reference - "HP Communities"
http://h30499.www3.hp.com/t5/Notebook-HP-ProBook-EliteBook/Bios-Reset-NC6400/td-p/875349

Edit - OOPS! you wanted an actual password. There doesn't seem to be one. If the BIOS is Award you could try AWARD_SW