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Old 06-06-2008, 07:44 AM   #1 (permalink)
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Default Changing processor on old IBM Thinkpad

I have an old IBM (not even Lenovo) Thinkpad T21-2647. It has the original Intel III(?) processor.

Is there anyway to upgrade the processor to something faster?

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Old 06-06-2008, 08:05 AM   #2 (permalink)
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Default Re: Changing processor on old IBM Thinkpad

yes it should be possible, disassembling laptops can be quite tricky though. if you're confident and can find a higher powered processor of the same type go for it. what model PIII is in there now? google should be able to tell you the max that notebook can take.

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Old 06-06-2008, 11:08 AM   #3 (permalink)
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Default Re: Changing processor on old IBM Thinkpad

I'm assuming you've got either a P3 650mhz or 800mhz. Those are the only procs I can find on the parts sites that I like. It would take some Googling to see if you can upgrade beyond those....

Upgrading the proc probably isn't that hard. You'll just need the service manual from IBM's site for the specific instructions. Basically you're probably just unscrew 4-6 screws from the bottom of the laptop, lift up (carefully) the keyboard, detach cable, and you'll see the innards. Then it's just a matter of unclamping and removing the cpu cooling apparatus and replacing the chip.
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Old 06-06-2008, 01:26 PM   #4 (permalink)
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Default Re: Changing processor on old IBM Thinkpad

buying p3's though is tough for 2 reasons. 1 they are so old that they are extremely hard to find. 2. if you do come across one they are so expensive (supply and demand.)
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Old 06-06-2008, 06:12 PM   #5 (permalink)
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Default Re: Changing processor on old IBM Thinkpad

Good Luck!

ibm tp t2x Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics

Pricewatch - Pentium III Microprocessors
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