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- Location: New Hampshire, USA
If you remove the memory cover, you will see a block of 3 sets of jumper pins. The pair farthest removed from the memory modules is the Password Jumper. I think you need to jump this and start the machine to clear any passwords that can be cleared. Then remove the jumper and restart.
Some passwords are stored on a chip on the System Board (Planar in IBMese). This chip can be replaced by a company in Canada, but it will not come cheap. You may find it better to find another carcass on Ebay and transfer all your stuff.
As to "backdoor passwords", I don't know of any, and I'm sure nobody would post one on a public forum like this.
Hope this helps.
Current stable: 770Z, 600X, T23, R40, R52, T43p, X41, R60, T60, T61, X61, X61T, X201T, T420; T400 (2768-EK9); W510 (4391-CTO), X220T (4296-2W5), T440 (20B6-00AUS), plus an Intellistation M 6219.
New Project: Making X220 work with WWAN.
For the 770's error codes, see: http://www-1.ibm.com/support/docview.ws ... &loc=en-us
The supervisor password and hard disk password cannot be replaced if they are forgotten. If the customer forgets the supervisor password, the system board must be replaced. If the customer forgets the hard disk password, the hard disk drive must be replaced.
How to Remove the Power-On Passwords:
If only the power-on password is set, do the following to remove the power-on password.
1. Power off the computer
2. Remove the DIMM cover on the bottom side of the computer.
3. Short-circuit the two password pads or put the jumper. For the location of the password pads or jumper, see Bruce's reply.
4. Under the short-circuit condition, power on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The power-on password is removed.
5. Reinstall the DIMM cover.
If both the power-on password and the supervisor password are set, do the following to remove the passwords:
1. Power on the computer by pressing and holding F1.
2. Enter the supervisor password. The Easy-Setup menu appears.
3. Click on the Password icon.
4. Click on the Power on icon.
5. Enter the supervisor password and press the Space bar.
6. Press Enter twice.
7. Click on Exit; then click on Restart.
The power-on password has been removed.
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