EEPROM Locations

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IMPORTANT PLEASE READ THIS FIRST!

Connecting to EEPROMs

The links below lead to pages that contain photos of EEPROM connection points on various TP models.

On those pages you will only find a brief description of where to look for the SDA, SCL connection points.

It is your choice as to how you make the actual connections.

Please read the pages Making probes, Clips Probes etc and Soldering to EEPROMS

It is YOUR CHOICE as to how you decide to make the actual connection.

On some EEPROM photos the GND pin is labelled, I suggest you ignore that GND label and instead use a clip to connect GND.

GND is available at almost any large metal part of the TP, such as the metal arms that hold Memory in place, or the heat sink or almost any metal part inside the TP.

In summary the pages linked to below ONLY show the actual connections for SDA and SCL and in some case GND is labelled although it is much better to connect GND using a clip to a metal part inside the TP, this leaves only 2 leads to connect or HOLD in place.

Note:

Not only do you need to make the connections to the GND, SDA and SCL

You also need to assemble the TP to a point that it can be safely switched on and then the connections to GND, SDA and SCL made WHILE THE TP IS SWITCHED ON.

Just in case you missed it - the TP MUST be made to safe to function AND switched on when the EEPROM is being read.

EEPROM Location and Type

Use the Buttons below to;

Identify your ThinkPad Model.

Download the Hardware Maintenance Manual for your model ThinkPad.

View the EEPROM Location/Type for your model ThinkPad.

Your TP Model TP HM Manuals Making probes Clips Probes etc Soldering to EEPROM 390 390E 390X 600 600e 600x A20 A21 A22 m/p A30 A30p A31 A31p R32 R40 R50 and R51 R52 R60 R61 R61i R400 T20 T21 T22 T23 T30 T40/p T41/p T42/p T400 T43 T43p T60 T60p T61 T61p T500 W500 X200 X200T X60 X60s X61 X61s X61t X300 Z60

This page is under construction, eventually [it is a fairly large task] it will have all TP models depicted.

If there is a particular TP Model you need, email me and I will put it up here.

If you have better images than these that you would like to share, email me.

If you have any questions, email Joe at

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