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CPU in T440p

T430 and later, plus T530 and later series specific matters only
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Whitieiii
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CPU in T440p

#1 Post by Whitieiii » Wed Nov 14, 2018 6:26 pm

I know it's not officially supported by Lenovo but would it be possible to get an i7-4702MQ or i7-4712MQ working on a T440p? I only ask as if I find out what's best for my usage (higher clock speed vs higher core count) I might go with one to reduce heat and/or power usage.. although 4th gen CPU's are still quite expensive for my liking
My Current Collection:
A30 Pentium 3 512MB ram 60GB HDD Win 98SE
HP 8460p 2nd gen i7 8GB ram 500GB HDD Radeon 6470m Win 7
T440s 4th gen i5 8GB ram 300GB SSD Win 10
T440p 4th gen i5 12GB ram GT 730m 500GB HDD Win 10

RealBlackStuff
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Re: CPU in T440p

#2 Post by RealBlackStuff » Wed Nov 14, 2018 9:13 pm

Those are both 35W TDP CPUs, the most powerful you can use without "overheating" the machine.
Priced from ~$75 and up.
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Whitieiii
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Re: CPU in T440p

#3 Post by Whitieiii » Thu Nov 15, 2018 4:12 pm

RealBlackStuff wrote:Those are both 35W TDP CPUs, the most powerful you can use without "overheating" the machine.
Priced from ~$75 and up.
But those would work in the T440p even though it didn't come with either of those from Lenovo?
My Current Collection:
A30 Pentium 3 512MB ram 60GB HDD Win 98SE
HP 8460p 2nd gen i7 8GB ram 500GB HDD Radeon 6470m Win 7
T440s 4th gen i5 8GB ram 300GB SSD Win 10
T440p 4th gen i5 12GB ram GT 730m 500GB HDD Win 10

RealBlackStuff
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Re: CPU in T440p

#4 Post by RealBlackStuff » Thu Nov 15, 2018 4:31 pm

Yes, they'll work in the T440p, but NOT in T440 or T440s.

jmill
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Location: Pittsburgh, PA

Re: CPU in T440p

#5 Post by jmill » Mon Dec 03, 2018 11:45 am

For what it is worth, I recently purchased a 4702mq, and upon doing the swap from the base i5, was met with the 'power LED blinking 3 times' issue. I checked the FRU of the motherboard and I don't think there should be an issue there. I don't have a good battery for the machine yet, and my AC adapter is only 65W, so I hope it is an issue with the TDP increase and not a motherboard or CPU issue.
ThinkPad X230, i7-3520m, 16GB RAM, 1Tb Crucial MX300, 1Tb Samsung 850 msata, Intel HD4000, 12.5" FHD

Whitieiii
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Re: CPU in T440p

#6 Post by Whitieiii » Mon Dec 03, 2018 5:35 pm

jmill wrote:For what it is worth, I recently purchased a 4702mq, and upon doing the swap from the base i5, was met with the 'power LED blinking 3 times' issue. I checked the FRU of the motherboard and I don't think there should be an issue there. I don't have a good battery for the machine yet, and my AC adapter is only 65W, so I hope it is an issue with the TDP increase and not a motherboard or CPU issue.
I did go with an i7-4702mq it's the same TDP as the i5-4300m i took out.. the 3 quick flashes of the power light is normal for both the T440p and T440s when power cable is applied (happens sometimes at button press, just press the button again) also you've to be patient with it on startup as it won't show the Lenovo logo on screen and will be black until you get to the windows login screen with the i7-4702mq but other than that mine is running perfect with no problems at all... After i get a 9 cell battery mine will be all complete... I've got dedicated graphics as well so I'm running a 90w power adapter but i run 90w adapters in all my machines anyways as they are the same price on eBay as 65w adapters especially if you get the round plug adapters (t430 and older power supplies)
My Current Collection:
A30 Pentium 3 512MB ram 60GB HDD Win 98SE
HP 8460p 2nd gen i7 8GB ram 500GB HDD Radeon 6470m Win 7
T440s 4th gen i5 8GB ram 300GB SSD Win 10
T440p 4th gen i5 12GB ram GT 730m 500GB HDD Win 10

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