For anyone who might have the same problem.
I managed to remove the password.


It is the model CF52CCABVAG, (mk1L)


What I did was:
1. Disassemble the Notebook

2. Disconnect the CMOS Battery (this wasn't enough to delete my password yet though)

3. Now the funny part, when you short the CMOS Battery Pins at the right time while trying to boot the notebook, you can somehow make it falsely read the checksum from the chip.


The Bios will than revert to standard values and saves them.
You now have a...

Hi, I've got an Panasonic CF-52 Mk1 Laptop and tried to get it to work again.
But I just can't get around this Bios Password. (Supervisor and User Password)

Sadly I don't have any numbers except the ones on the motherboard.
I dumped the bios chip, it's an SST25VF080B chip. With a sticker saying DL3UA1656EAA and on the PCB it says DFUP1656ZB(A)
I dumped the bios with a CH341A dumper. (I'm open to hear If I did anything wrong while dumping)
On trying to boot before the password prompt comes it shows some infos about the bios for a short second. The BIOS Version...