Panasonic Toughbook CF-25 supervisor password

Dell / Mxc051
January 20, 2010 at 19:24:11
Specs: Microsoft Windows XP Professional, 1.7GHz P-M 740 / 2GB DDR2-667
I'm messing around with a Toughbook...I think the original one actually, a CF-25 with a Pentium MMX 166 and 32MB of RAM.

Despite the CMOS battery being very, very dead (0.01 volts output) and now completely removed, there is a supervisor password set and somehow being maintained.

This would suggest either a CMOS setup fault of some kind or that the password is stored in nonvolatile memory.

This computer does NOT have sensitive data on it - it came to me with a dead (click of death) hard drive. It does currently have a good drive which I added.

The password is not preventing booting and using the machine, but I'd like the extra parts of the BIOS available to tinker with.

It uses an IBM OEM'd BIOS (POST screen and layout of setup indicate this).

Anyone know the "backdoor" or "override" passwords for Toughbooks or IBM systems? I'm hoping there is one. I used to have a great list of them but I've lost it.

Panasonic tells me the password should reset if the CMOS battery is removed, but I suspect that's just for the newer ones. Person on the phone sounded kind of young so it's possible he had nothing to do with the company yet when the CF-25 was in common use.


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January 20, 2010 at 19:35:56
I've really got to start trying ALL possibilities before posting here.

If you're in the same boat as me, Google search for "killcmos", you'll find a copy on MajorGeeks among other places.

It worked like a charm. Be warned, if run it immediately and without warning wipes the CMOS setup in every way possible. Recommend you keep it safe in the zip file until needed to avoid accidental clicking.

Disregard virus warnings; even if it is a virus it's worth it for this functionality.

Keep in mind that if the HDD is secured by an ATAPWD password you'll be screwed for ever recovering that data if you do this.

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