IBM ThinkPad T41,T42 & T43 Memory Upgrade How To

An IBM ThinkPad T41,T42 & T43 Memory Upgrade is very simple, but for one reason or another IBM chose to position the RAM slots in 2 locations.

The first is very easy to get to as its just a question of opening the bottom cover, but the other RAM port is located under the keyboard which can be a little bit fiddly, but it is still easy enough to get to just follow below.

Before working on any electronic devices or components always make sure you are earthed to protect your laptop from damage from ESD (electro static discharge)

Turn the laptop onto its back

Remove the battery

Again Make sure you are earthed to help prevent damage via ESD

Accessing the First SIMM

Remove the screw holding the RAM cover, and remove now you will see the first SIMM

To access the second SIMM

Remove the plastic covers from the bottom front and remove the screws labelled 1 – there will be 4 of them.

Then remove the one at the far right at the bottom labelled 2 –

Next remove the 3 screws labelled 3

And finally the 3 screws labelled 4

Now turn the laptop back over onto its front

Open the lid

Lift out the palm rest from the bottom first

And the keyboard will lift out

Remove the keyboard connector

Now you can get to the secondary SIMM

When it comes to upgrading the maximum a ThinkPad T41, T42 or T43 memory upgrade can be in total is 2gb any more than this is simply a waste of money as the laptop will not recognise any more.

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