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Rear Plug for IBM ThinkPad

By Gooser12 ·
We have a bunch of IBM thinkpads of vaious model types. We have found that the rear plug won't work for our network and that we have to use an ethernet card and dongle. With these, the network will run fine. I have tried the connection wizard and traversed (in vain) the IBM website for solutions to this. We have found this problem in the docking stations as well.

Note: We also have a few Dell laptops, and they work fine from the rear network port. Makes me wonder what's going on with our ThinkPads.

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by sgt_shultz In reply to Rear Plug for IBM ThinkPa ...

make sure is not media type/speeed issue. try hooking thinkpds up to known 10mb then known 100mb ports. you may have the thinkpads locked up to 100mbs and hooked to 10mb hub/switch ports, see? or vice versa...

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by Gooser12 In reply to

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by Gigelul In reply to Rear Plug for IBM ThinkPa ...

I work every day on a networked IBM ThinkPad.
I'm heapy with it. It works very well.
Maybe if you tell us what you tried and the results of the tests, I will can help you.
What models do you have?

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by burtonizer In reply to Rear Plug for IBM ThinkPa ...

Make sure that your Thinkpad actually came with a NIC installed ~ we bought a bunch of A series IBMs and only the modem was installed....you will still see the ethernet port, but the internal card is modem only. Check out the model's properties, or better yet, look at the card and see if it's a modem, or a dual multi port (modem and nic). Because we had this same problem, I tend to think you may as well! We just bought the multi port cards and swapped them out with the modem card. I believe the card was located under the keyboard in the models we had to change.

Good luck!

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by Gooser12 In reply to

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by burtonizer In reply to Rear Plug for IBM ThinkPa ...

Make sure that your Thinkpad actually came with a NIC installed ~ we bought a bunch of A series IBMs and only the modem was installed....you will still see the ethernet port, but the internal card is modem only. Check out the model's properties, or better yet, look at the card and see if it's a modem, or a dual multi port (modem and nic). Because we had this same problem, I tend to think you may as well! We just bought the multi port cards and swapped them out with the modem card. I believe the card was located under the keyboard in the models we had to change.

Good luck!

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by Gooser12 In reply to

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by Gooser12 In reply to Rear Plug for IBM ThinkPa ...

Sorry to Clarify it is the back plug of the docking stations that isn't working for us. Not on the computer itself

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by burtonizer In reply to Rear Plug for IBM ThinkPa ...

If ALL of your docking stations are suffering from this problem, I would make sure that it's not Token Ring or some other format NIC other than Ethernet.....

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