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[Tutorial]How to unlock [older] ThinkPad supervisor password
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Post new topic   This topic is locked: you cannot edit posts or make replies.    Service Forum Forum Index -> IBM/Lenovo ThinkPad Password Help Center (EN)
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drock1985
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Joined: 15 Feb 2012
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PostPosted: Wed Feb 15, 2012 9:47 pm    Post subject: Can't decode password. Maybe it's new encryption? Need help! Reply with quote

Hi All,

I am trying to recover the password from my brothers Thinkpad SL510 laptop. He was messing around in the BIOS thinking he was just setting up HD password and now, after some months when he wants to get into the BIOS, he can't remember the password. I have successfully been able to dump the EEPROM three times (twice the same, third after running patcher) and the passwords that I am seeing don't work.

Is there anyway for me to be able to post the .bin dumps for someone to take a second look at? If not, i'm not sure what to do. I seen when searching Google they have blank supervisor password chips on E-bay, would that work if I can't get the password from the dump?

Thanks in advance.
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victor
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Joined: 07 Mar 2004
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PostPosted: Wed Feb 15, 2012 9:50 pm    Post subject: Reply with quote

Blank chips for Lenovo are a scam.

Send the dump to support-at-allservice.ro
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Victor Voinea
ALLservice HQ, Romania.
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drock1985
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Joined: 15 Feb 2012
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PostPosted: Wed Feb 15, 2012 9:57 pm    Post subject: Reply with quote

victor wrote:
Blank chips for Lenovo are a scam.

Send the dump to support-at-allservice.ro


Thanks, I send it away.
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aranger
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Joined: 15 Mar 2012
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PostPosted: Thu Mar 15, 2012 10:36 am    Post subject: Lenovo T60 Password Reply with quote

Hi I have a Lenovo T61 that has the password locked. Through reading the forums I have successfully been able to read a .Bin file from the PCA24S08 chip. I am able to read everything including the serial number but what looks to be the password will not take do I have a TCPA lock even though I can read the serial number and so on. Thanks

http://lenovot60binfile.blogspot.com
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bob
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Joined: 07 Mar 2004
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PostPosted: Thu Mar 15, 2012 11:16 am    Post subject: Reply with quote

Hello,

The answer is yes. You must order the writer and tcpa service
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sebbi
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Joined: 23 Apr 2012
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PostPosted: Mon Apr 23, 2012 10:01 pm    Post subject: Reply with quote

Hi,

i have a locked T42.
I build the simple SPI reader, booted up, attached the wires and dumped the EEPROM into a bin file.
When i launch IBMPass 2.1 Lite i cannot find any password within the dump.

At offset 0x338 i have the bytes:
12 15 12 18 31 16 00

Same at 0x400

Could they be the password? Or is it encrypted? Am i doing something wrong?
Please help me as i need to go into bios to reset my system clock.

Thank you

Sebbi
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victor
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PostPosted: Mon Apr 23, 2012 10:07 pm    Post subject: Reply with quote

Just click the AA button.

(AA doesn't mean what you may think The client always pays the beers Smile )
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Victor Voinea
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sebbi
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Joined: 23 Apr 2012
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PostPosted: Mon Apr 23, 2012 10:40 pm    Post subject: Reply with quote

Whooho! I got it!
Thank you. Brilliant piece of code from you!

Drinking a beer (or 2) on you.
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deresser
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Joined: 24 Apr 2012
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PostPosted: Tue Apr 24, 2012 5:51 pm    Post subject: Reply with quote

I kept getting "circuit not found or bus error" until I placed the yellow backup battery back on the T61. Finally now the dump has been made.
However, there isn't a nice password on lines 338 and 340. Both read "Hl" or in scancode "_8____S_" (with _ being a space). Is this my password?

I got a Lenovo T61.
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victor
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PostPosted: Tue Apr 24, 2012 6:23 pm    Post subject: Reply with quote

Hello Newman

I need to check the read out, try support-at-allservice.ro

Cheers
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Victor Voinea
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pckolev
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Joined: 18 May 2012
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PostPosted: Fri May 18, 2012 8:26 pm    Post subject: Reply with quote

Hi, I have a T61 imd password bios but I removed the battery and now will not start because the programmer wants a password simple-i2cprog if you can read the chip. I found it at the bottom of the back says p24s08.
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victor
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PostPosted: Fri May 18, 2012 9:34 pm    Post subject: Reply with quote

Hello,

The simple interface works well, yes.
Well...if done correctly.

Good luck!
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Victor Voinea
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pckolev
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Joined: 18 May 2012
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PostPosted: Sun May 20, 2012 5:03 pm    Post subject: Reply with quote

Read out chips that password is not what can be done?

[Removed. too slow.]
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victor
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PostPosted: Sun May 20, 2012 5:06 pm    Post subject: Reply with quote

Just send the dumps to support-at-allservice.ro.
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Victor Voinea
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superc0
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Joined: 28 Aug 2012
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PostPosted: Tue Aug 28, 2012 5:41 am    Post subject: thanks victor Reply with quote

thanks a lot i follow the instructions and i unlock a t42 , the soft and all of this forum works great.
thanks again victor.
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