Anyone tried upgrading the CPU of T42?

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naro · #1 Post by **naro** » Thu Feb 09, 2006 8:06 pm

hi all,

i'm using a T42 and i'm thinking of upgrading the CPU.

i'm wondering if the cpu is soldered onto the motherboard? has anyone tried upgrading it before?

thanks,

djpharoah · #2 Post by **djpharoah** » Thu Feb 09, 2006 9:38 pm

cpu is not soldered on the socket.
check the search function out..
lots of ppl are upgrading their cpus.

i think you can use any dothan p-m cpu
-dj

naro · #3 Post by **naro** » Thu Feb 09, 2006 10:47 pm

djpharoah wrote:cpu is not soldered on the socket.
check the search function out..
lots of ppl are upgrading their cpus.

i think you can use any dothan p-m cpu
-dj

thanks.. i've searched for cpu upgrade, not much luck...

i've searched Lenovo's website, no instructions on how to remove and replace CPU.. any fellow thinkpad users can show mi??

i think can use most Dothan cores except the 533Mhz FSB ones..

dr_st · #4 Post by **dr_st** » Fri Feb 10, 2006 10:03 am

Get the Thinkpad Hardware Maintenance Manual.

#5 Post by **jdhurst** » Fri Feb 10, 2006 10:10 am

Make sure you *need* a CPU upgrade first. I replaced the 4200 rpm drive in my T41 with a 7200 rpm drive. Then I replaced the 1.4Ghz Banias with a 1.8Ghz Dothan CPU. The drive made the biggest difference, and I did the CPU, in part, just to do it. There was a modest gain in performance. So unless you are changing CPU types *and* adding 500 Ghz or more, you won't see much difference.

To replace the CPU, get the hardware manual as has already been suggested. Remove the keyboard and the palm rest. That will expose the CPU. If you do change it, work carefully and don't forget thermal compound. The thermal compound is *not* optional.
... JD Hurst

naro · #6 Post by **naro** » Fri Feb 10, 2006 12:25 pm

jdhurst wrote:Make sure you *need* a CPU upgrade first. I replaced the 4200 rpm drive in my T41 with a 7200 rpm drive. Then I replaced the 1.4Ghz Banias with a 1.8Ghz Dothan CPU. The drive made the biggest difference, and I did the CPU, in part, just to do it. There was a modest gain in performance. So unless you are changing CPU types *and* adding 500 Ghz or more, you won't see much difference.

To replace the CPU, get the hardware manual as has already been suggested. Remove the keyboard and the palm rest. That will expose the CPU. If you do change it, work carefully and don't forget thermal compound. The thermal compound is *not* optional.
... JD Hurst

i'm thinking of upgrading to at least 2ghz or 2.1ghz. the Pentium 755 or 765. i've already upgraded my drive to the E7K60 and increased the ram to the max of 2gb. i've seen the performance increase. i just have that 'itch' to upgrade, wanna make it the best!!! haha, well my ego actually!!

yeap, i've seen the cpu before when i was replacing the ram... but i'm puzzled on how to remove it...

FTC · #7 Post by **FTC** » Fri Feb 10, 2006 12:47 pm

i'm thinking of upgrading to at least 2ghz or 2.1ghz. the Pentium 755 or 765. i've already upgraded my drive to the E7K60 and increased the ram to the max of 2gb. i've seen the performance increase. i just have that 'itch' to upgrade, wanna make it the best!!! haha, well my ego actually!!

Well, your thinkpad is already quite powerful... meanwhile, why don't you upgrade that compaq with a PL/IP3t and a P3 Tualatin 1.4 Ghz ? You´ll find the pieces quite cheap in ebay now and have a lot of fun!

naro · #8 Post by **naro** » Fri Feb 10, 2006 1:04 pm

FTC wrote: Well, your thinkpad is already quite powerful... meanwhile, why don't you upgrade that compaq with a PL/IP3t and a P3 Tualatin 1.4 Ghz ? You´ll find the pieces quite cheap in ebay now and have a lot of fun!

hmm.. i wanna max it out man... i'm gonna keep using it for at lwast 2 more yrs and beyond, so might as well upgrade it to the max.. haha.. thinking of changing to the Bluetooth CDC card too..

i've yet to play with the Compaq N400c. i've lent it to my roommate whose Toshiba M30's motherboard just crashed. he can only repair it when he goes back to Singapore during our Easter break.

i was searching for P3M's on ebay but i was told that the cpu is soldered on.. and oso, the IDE bus is limited to ATA66, so its kinda slow.. i've tot of upgrading the hdd as well.. haha.. i've too many evil plans...

#9 Post by **jdhurst** » Fri Feb 10, 2006 1:18 pm

The CPU is under the fan. Unscrew the fan and lift it out (carefully if you choose not remove the keyboard bezel). The CPU is under that and is not soldered in. I forget without looking, but it was easy to remove once the fan was out. And don't forget the thermal compound. ... JD Hurst

Herr Yunta · #10 Post by **Herr Yunta** » Fri Feb 10, 2006 2:29 pm

I will piggy back on your post, How hard is it to replace the motherboard? I am contemplating replacing my T41 (Radeon 9000) motherboard with a T42p (FireGL T2) motherboard after finding one cheap. I have done everything short of a motherboard replacement on a T4x.

naro · #11 Post by **naro** » Fri Feb 10, 2006 6:29 pm

jdhurst wrote:The CPU is under the fan. Unscrew the fan and lift it out (carefully if you choose not remove the keyboard bezel). The CPU is under that and is not soldered in. I forget without looking, but it was easy to remove once the fan was out. And don't forget the thermal compound. ... JD Hurst

r u referring to the THinkpad or the Compaq N400c?

Herr Yunta · #12 Post by **Herr Yunta** » Fri Feb 10, 2006 10:12 pm

He is refering to the Thinkpad

naro · #13 Post by **naro** » Sat Feb 11, 2006 8:12 am

Herr Yunta wrote:He is refering to the Thinkpad

i presumed so too...

cos i checked the service manual for my compaq and there's no way to remove the cpu...

FTC · #14 Post by **FTC** » Sat Feb 11, 2006 9:56 am

Yep.. forget my suggestion, thought that the compaq was your desktop... now I see it's a non upgradeable laptop..

naro · #15 Post by **naro** » Sat Feb 11, 2006 11:33 am

FTC wrote:Yep.. forget my suggestion, thought that the compaq was your desktop... now I see it's a non upgradeable laptop..

haha.... i think i've oredi did the best i could to upgrade the compaq laptop.. maybe increase the hdd is the best i could do..

#16 Post by **GomJabbar** » Sat Feb 11, 2006 11:56 am

Some other info on this.

Intel® Centrino® Mobile Technology Compatible Chipsets

Intel® Pentium® M Processor Product Order Codes

Anyone tried upgrading the CPU of T42?

Anyone tried upgrading the CPU of T42?

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