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Please Help: Need thinkpad t500 thermal pad size
Please Help: Need thinkpad t500 thermal pad size
Hi, I recently opened my used thinkpad t500 to clean up the thermal paste do to temperature issues to see that there are no thermal pads.
when looking at this guide here: https://www.myfixguide.com/manual/lenov ... -keyboard/
It seems there is suppose to be one thermal pad.
I was wondering what size thermal pad do I need? And is there is suppose to be a thermal pad for all 3 chips?
My thinkpad has a the ATI GPU but it does not work (black screen at boot when changing from intel to ATI in the bios).
Also I assume you apply thermal paste on the chips even though there is a thermal pad?
when looking at this guide here: https://www.myfixguide.com/manual/lenov ... -keyboard/
It seems there is suppose to be one thermal pad.
I was wondering what size thermal pad do I need? And is there is suppose to be a thermal pad for all 3 chips?
My thinkpad has a the ATI GPU but it does not work (black screen at boot when changing from intel to ATI in the bios).
Also I assume you apply thermal paste on the chips even though there is a thermal pad?
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- Senior ThinkPadder
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Re: Please Help: Need thinkpad t500 thermal pad size
The proper documentation exists in the form of the T500 Hardware Maintenance Manual. You can find it through a quick Google search, or use the HMM link at the top of this forum's pages.
Generally, the thermal pad is placed only on the chipset but it doesn't hurt to buy extras in case you mess up the installation. Get 3 pads, 20mm x 20mm square with 1mm thickness. There are 20mm x 100/120mm strips available as well, just cut it to the right length.
Generally, the thermal pad is placed only on the chipset but it doesn't hurt to buy extras in case you mess up the installation. Get 3 pads, 20mm x 20mm square with 1mm thickness. There are 20mm x 100/120mm strips available as well, just cut it to the right length.
Daily driver: X220 4291-C91 i7-2620M
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod

Re: Please Help: Need thinkpad t500 thermal pad size
Thank you so much! Sorry for the noob question, but which one is the chipset?axur-delmeria wrote: ↑Sat Dec 28, 2019 9:21 pmThe proper documentation exists in the form of the T500 Hardware Maintenance Manual. You can find it through a quick Google search, or use the HMM link at the top of this forum's pages.
Generally, the thermal pad is placed only on the chipset but it doesn't hurt to buy extras in case you mess up the installation. Get 3 pads, 20mm x 20mm square with 1mm thickness. There are 20mm x 100/120mm strips available as well, just cut it to the right length.
EDIT: After googling I assume this goes on the ATI GPU?
Re: Please Help: Need thinkpad t500 thermal pad size
I believe he means the southbridge northbridge which is the die closest to the RAM, this contains the iGPU.
I've noticed on dGPU models they come with a thermal pad between the heatsink and the southbridge northbridge. On iGPU models, there is no pad and it is pasted. So it may work either way.
edit: northbridge, not southbridge. It's been awhile.
I've noticed on dGPU models they come with a thermal pad between the heatsink and the southbridge northbridge. On iGPU models, there is no pad and it is pasted. So it may work either way.
edit: northbridge, not southbridge. It's been awhile.
Last edited by TPFanatic on Sun Dec 29, 2019 12:58 am, edited 1 time in total.
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Enable 2 finger scroll on old Synaptics touchpads.
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Enable 2 finger scroll on old Synaptics touchpads.
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- Senior ThinkPadder
- Posts: 2751
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: Please Help: Need thinkpad t500 thermal pad size
Some models of the T500 have just the Intel GMA X4500MHD integrated graphics . Some have switchable graphics, meaning it has both Intel integrated graphics and ATI Radeon HD 3650 GPU.
The GPU is to the right of the processor socket, and the Intel chipset (specifically the GM45 northbridge) is below the GPU. If you've read the T500 HMM (Hardware Maintenance Manual), specifically near the end of Section 1150 (Fan assembly), there's an illustration that shows where the paste and thermal pads should be applied.
The HMM refers to the thermal pad as "thermal rubber" or just "rubber", and the figure shows that only the lower copper plate (which makes contact with the chipset) has that rubber.
The GPU is to the right of the processor socket, and the Intel chipset (specifically the GM45 northbridge) is below the GPU. If you've read the T500 HMM (Hardware Maintenance Manual), specifically near the end of Section 1150 (Fan assembly), there's an illustration that shows where the paste and thermal pads should be applied.
The HMM refers to the thermal pad as "thermal rubber" or just "rubber", and the figure shows that only the lower copper plate (which makes contact with the chipset) has that rubber.
Daily driver: X220 4291-C91 i7-2620M
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod

Re: Please Help: Need thinkpad t500 thermal pad size
Thank you. I just viewed the diagram in the T500/W500 HMM and see where to apply thermal paste and where to put the pad. It does say to use thermal grease. Does that mean using some noctua thermal paste would be a bad idea or can it substitute thermal greese. Already have some paste bought less then a month ago and if its possible/ safe to use that I rather would.axur-delmeria wrote: ↑Sun Dec 29, 2019 12:52 amSome models of the T500 have just the Intel GMA X4500MHD integrated graphics . Some have switchable graphics, meaning it has both Intel integrated graphics and ATI Radeon HD 3650 GPU.
The GPU is to the right of the processor socket, and the Intel chipset (specifically the GM45 northbridge) is below the GPU. If you've read the T500 HMM (Hardware Maintenance Manual), specifically near the end of Section 1150 (Fan assembly), there's an illustration that shows where the paste and thermal pads should be applied.
The HMM refers to the thermal pad as "thermal rubber" or just "rubber", and the figure shows that only the lower copper plate (which makes contact with the chipset) has that rubber.
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- Senior ThinkPadder
- Posts: 2751
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: Please Help: Need thinkpad t500 thermal pad size
Thermal grease in this case means thermal paste.
Noctua NT-H1 is a good thermal paste. You can use it on the laptop if it's not too old-- my tube of Noctua thermal paste dried out but it took more than two years to do so-- it was so dry it almost wouldn't come out of the syringe.
Noctua NT-H1 is a good thermal paste. You can use it on the laptop if it's not too old-- my tube of Noctua thermal paste dried out but it took more than two years to do so-- it was so dry it almost wouldn't come out of the syringe.

Daily driver: X220 4291-C91 i7-2620M
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod

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