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Ivy Bridge in Thinkpad T420
#1
Hello, I have i5-2520m sandy bridge CPU in my rPGA988B (G2) socket T420. I want to get a better GPU and that's only possible with a new generation intel CPU which is any Ivy bridge CPU with HD4000 in it.

Is it possible?
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#2
Unfortunately, No. Your Chipset is HM65, Ivy requires HM76/HM77.

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#3
It's Mobile Intel QM67 Express not HM65. There are examples of QM67 laptops supporting ivy bridge, on dell I think.
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#4
(07-07-2015, 03:21 PM)LosSantosPro Wrote: Unfortunately, No. Your Chipset is HM65, Ivy requires HM76/HM77.

also can you check this compatibility list? : http://www.cpu-upgrade.com/mb-Intel_(chi...press.html
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#5
(07-08-2015, 06:53 AM)xantier Wrote:
(07-07-2015, 03:21 PM)LosSantosPro Wrote: Unfortunately, No. Your Chipset is HM65, Ivy requires HM76/HM77.

also can you check this compatibility list? : http://www.cpu-upgrade.com/mb-Intel_(chi...press.html

can try to replace microcode ....but it can not guarantee success ....it is possible that your motherboard is not soldered need power transistors or capacitors....

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#6
I just noticed that there was another thread on this right above mine. Similar details are covered in it:
https://www.bios-mods.com/forum/Thread-L...t-i7-3540M

Except I am looking less for general Ivy Bridge support and mainly for that one specific processor.
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#7
(07-08-2015, 06:48 AM)xantier Wrote: It's Mobile Intel QM67 Express not HM65. There are examples of QM67 laptops supporting ivy bridge, on dell I think.

Are you sure? I'm 99% positive its HM65

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#8
Recent Thinkpads are almost always of the QMx7 variety. This is a screenshot of my T420's mainboard in CPU-Z:


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