IBM ThinkPad T41, Upgrade my Intel Centrino Processor
I own a IBM ThinkPad T41 with a Intel Pentium, M Centrino 1500MHz - 1.50GHz and would like to upgrade to the max Intel Centrino Processor there is. Since I can't upgrade to a Intel Core Duo or Core 2 Duo.
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Processor wise there is no difference, Centrino is just a branding initiative by
Intel and it consists of..
Pentium M Processor(now with the release of the Core Duo/Solo, they are also included)
If a laptop uses all of these parts then it is branded as a Centrino and
you get a "Centrino" sticker slapped onto the laptop. If one of them is
different then you get the regular Pentium M sticker.
There is no other 'real' benefits of being branded as a Centrino. It is just one of the many marketing tactics used by Intel.
According to system specs your system is not compatible with the Core 2 Duo or Centrino Core 2 Duo. To upgrade to those chips you would need to replace the motherboard with one capable of running those chips. If you decided to do that you would almost surely need new RAM as newer boards use newer technology. By the time you did this the upgrade would not be cost effective. Hope this helps & please remember to rate my answer. Thanks.
Since you have the slot for the wireless card, you can purchase an internal card for the machine, try Price Watch or Ebay. On the processor, the G40 came out with Pentium 4 2.0ghz, 2.4ghz, 2.6ghz, and 3.0ghz. any of these will work as long as they were designed for IBM Thinkpad. I buy most of the processors for my shop off Ebay. I would check there. If you do buy from Ebay, be sure that the processor came from an IBM machine.
Your limited with the T20 series, the biggest you can go is 1ghz. Try the Pentium M chip, make sure that it's the same mhz (frequency) that's in it now, the board frequency matches the processor frequency. (either a 100 mhz or 133 mhz, you can tell by what memory it uses PC100 or PC133)