visit the Home page
for new developments
on how to actually unlock your ThinkPad (TP) are in the User's
Location and Type
EEPROM you treat it as 24RF08
Locating the T30 connection points
Switch the T30 OFF.
You should have already downloaded the
hardware Maintenance Manual for your ThinkPad model, if you have not done so
use the link below to download it now,
the Hardware Maintenance Manual (HMM) for your TP model
The links above are to the Lenovo site, if it doesn't
work, don't panic, it isn't broken, their site is shut down daily for
maintenance and at those times they display spurious messages like the page
you requested cannot be found, wait a good while and try again.
The eeprom can be accessed underneath the
TP by removing the RAM expansion cover and the RAM Module if fitted.
NOTE: VCC is NOT connected, the ThinkPad
supplies power to the eeprom later on we will switch on the TP to analyse
The photo below shows a 24RF08 EEPROM from a DIFFERENT
MODEL ThinkPad with the Pomona clips attached to SCL and SDA pins.
See my page on Options
for Clips and Probes including making your own probes.
below ON AN DIFFERENT MODEL TP of making the GND connection using a clip to the
metal fingers that hold Memory in place.
This page ONLY describes how to connect the
KeyMaker Interface to the EEPROM.
The instructions on how to Recover or clear a
Supervisor password are in The "User's
Guides" click here
I make no warranty that any of my information
is correct, or safe, or does or does not breach any warranty clause, or
anything else, it is up to you to decide if you will follow all or any of the
instructions to recover the Supervisor Password from a TP. It is up to you to
decide, I am not responsible for the results or for any consequential or
incidental damages whatsoever.
If you have any questions, email Joe at
[ Home ] [ Up ] [ Your TP Model ] [ TP HM Manuals ] [ Other Models ] [ Making probes ] [ GND Connection ] [ Soldering to EEPROM ] [ 390 390E 390X ] [ 600 ] [ 600e ] [ 600x ] [ A20 A21 A22 m/p ] [ A30 A30p A31 A31p ] [ G40 G41 ] [ L412 ] [ L512 ] [ L520 ] [ R30 ] [ R31 ] [ R32 ] [ R40 ] [ R400 ] [ R50 and R51 ] [ R51e ] [ R52 ] [ R60 ] [ R61 R61i ] [ R500 ] [ SL410 ] [ SL510 ] [ T20 T21 T22 T23 ] [ T30 ] [ T40/p T41/p T42/p ] [ T400 ] [ T400s ] [ T410 ] [ T410S ] [ T420 ] [ T43 T43p ] [ T430 ] [ T500 ] [ T510 ] [ T520 ] [ T60 T60p ] [ T61 T61p ] [ W500 ] [ W510 W520 W530 ] [ X1 Carbon ] [ X100e ] [ X130e ] [ X200 ] [ X200T ] [ X201 Tablet ] [ X220 and X230 ] [ X30 ] [ X31 ] [ X300 ] [ X301 ] [ X40 and X41 ] [ X60 X60s ] [ X60Tablet ] [ X61 X61s X61t ] [ Z60 ] [ Z60m ] [ Z61 ] [ Z61m ] [ Z61T ]