X300

 

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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 ]

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Instructions on how to actually unlock your ThinkPad (TP) are in the User's Guides

EEPROM Location and Type

X300 EEPROM you treat it as LSI
---------X300 Password recovery procedure ---------- 

The following steps requires CARE read all the information first, before you do ANYTHING, get a feel for the overall procedure, ONLY THEN start to follow the procedure.

Locating the X300 connection points

Switch the X300 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,

Download 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.

You need to remove the RAM cover

Remove the RAM from SLOT 1, make sure there is RAM in SLOT 2r

Overall view of the 3 contact points

 

VERY CAREFULLY using a sharp blade such as Xacto or a box cutter blade - scrape away the green coating from the points labelled SDA SCL.

Also scrape away any film coating from the point labelled GND

Illustration 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

If you have any questions, email Joe at

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