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Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

T60/T61 Series
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123434
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Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#1 Post by 123434 » Mon Apr 09, 2018 8:49 am

Hello
Is it a stupid idea to attach these small copper heat sinks to T61's main heat sink ? (=On top of the existing original HSF-unit )
https://www.dhgate.com/product/wholesal ... 85703.html

These arrived today and were meant originally to an older AGP graphic card but I used bigger aluminium ones instead.
So can I fit these to the Geforce NVS140M's heatsink ? ( It's idle temps are 60-70*C used new thermal paste Noctua NT-H1 and freshly oiled fan. )

Size copper heat sink= 13x12x5mm
Any advantage to fit these to T61 ?

axur-delmeria
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#2 Post by axur-delmeria » Mon Apr 09, 2018 9:04 am

Two questions:

1. Where exactly will you put them?
2. Will the heatsink still fit inside the laptop after attaching those? 5.4mm isn't exactly thin.

IIRC in T61 nVidia models, there's a thermal pad between the GPU and the heatsink. Some guys replace the thermal pad with a copper shim (a small piece of copper sheet) of the same thickness; others bend the heatpipe so the heatsink sits lower and contacts the GPU directly, without need for a thermal pad. Both approaches have their pros and cons.
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#3 Post by TPFanatic » Mon Apr 09, 2018 11:08 am

axur-delmeria wrote:
Mon Apr 09, 2018 9:04 am
IIRC in T61 nVidia models, there's a thermal pad between the GPU and the heatsink. Some guys replace the thermal pad with a copper shim (a small piece of copper sheet) of the same thickness; others bend the heatpipe so the heatsink sits lower and contacts the GPU directly, without need for a thermal pad. Both approaches have their pros and cons.
I think that is only in T60 and previous ATI models. With T61 they ditched the thermal pads for direct contact between the HSF metal and GPU die. However DGPU / Switchable GFX heatsinks will put a thermal pad between the HSF and the IGPU/Northbridge.

123434
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#4 Post by 123434 » Tue Apr 10, 2018 3:27 am

Someone also has made a similar solution: ( He\She placed 4 pcs of these near the fan. There is also a 10 cent euro coin :lol: as a heat sink )
http://i.imgur.com/fr07bGa.jpg
https://forum.thinkpads.com/viewtopic.php?t=115157

I'm planning to put them on top of GPU plate ?

RHS-03 Chinese copper heat sink to cool laptop.
This laptop has 20-30pcs of these:
http://forum.notebookreview.com/attachm ... pg.148526/
Extreme use of these heat sinks.

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#5 Post by TankPad » Tue Apr 10, 2018 7:27 am

It should help but I'd start by finding the source of the high idle temps before doing any of that.
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axur-delmeria
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#6 Post by axur-delmeria » Tue Apr 10, 2018 7:46 am

The mod you linked requires removing the left speaker.

IMO better get one or two spare heatsinks.

If you ever botch the mod and irreversibly damage the heatsink, you'll have a ready replacement at hand.

Good luck! :)
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons :lol:
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E :cry:

123434
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#7 Post by 123434 » Tue Apr 10, 2018 11:38 pm

T61 14.1" widescreen(1280x800)
- I read the heat sink is different from the 15" laptop.( People have talked about 15" T60 and 15" T61 heat sink swaps earlier )
Is it possible to buy those T500/W500 3-pipe heat sinks to 14.1" widescreen ?
What is the best heat sink for the smaller 14.1" widescreen version ?

Chinese sellers sell all kinds of heat sinks some say directly "does not fit to 14.1" widescreen model".

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#8 Post by Thinkpad4by3 » Wed Apr 11, 2018 6:31 am

The T400 is the only relatve to the T61. The T500/W500 is a completely different machine.
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#9 Post by Screamer » Sun Apr 15, 2018 8:06 am

123434 wrote:
Tue Apr 10, 2018 11:38 pm
T61 14.1" widescreen(1280x800)
- I read the heat sink is different from the 15" laptop.( People have talked about 15" T60 and 15" T61 heat sink swaps earlier )
Is it possible to buy those T500/W500 3-pipe heat sinks to 14.1" widescreen ?
What is the best heat sink for the smaller 14.1" widescreen version ?

Chinese sellers sell all kinds of heat sinks some say directly "does not fit to 14.1" widescreen model".
Yes, it is different in comparison the 15.0" T60/14.1" 4:3 T61. I don't think a 15.0" T61 exists, unless you were referring to the 15.4" T61 or the rare 15.0" R61. I also don't think it is possible to fit a T500/W500's 3-piped heatsink into your 14.1" widescreen T61, maybe for a 15.4" or a 14.1" T61/R61 it might?

As far as I know, a 14.1" widescreen T61 that has the NVIDIA graphics chip uses 2 heatsinks that are different. One of them was labeled as a 'Toshiba' model that came with 2 heatpipes, FRU 42W2462. The second one was labeled 'Furukawa' that came with 3 heatpipes, FRU 44C0557. That is what I got from the hardware maintenance manual. Alternatively, if you can't source a 'Furukawa', you could use a T400's discrete heatsink that is similar with only a metal piece on the graphics chip's plate. The FRU for the T400's discrete heatsink is 45N6144.

If I am not mistaken, I believe the best heatsink that fits your 14.1" widescreen T61 would be FRU 44C0557. I suppose you could use a T400's heatsink, but the metal piece on the graphics chip's plate makes me feel a little uncomfortable.

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#10 Post by Raidriar » Mon Apr 16, 2018 12:54 pm

Stock heatsink is actually adequate, problem is nVidia's ridiculous voltage they apply to GPU. Stock voltage is 1.10-1.15V, makes GPU run incredibly hot, and does not need this much voltage. Same clocks can easily be run at 0.9-0.95V, need to apply highsun's undervolted BIOS w/ASPM to manage temperatures and increase battery life. Now with 0.9V undervolt, my FX 570M idles around 54-57 degC with good quality paste, before it was like yours, routinely in the 65-70 range idle and would spike into mid 80s under load.
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#11 Post by 123434 » Wed Apr 18, 2018 12:36 am

This stock T61 14.1" widescreen T8300(2.4ghz) Penryn 06/2008; 7663 has the 2-pipe version = "42W2462".
Does the 14.1" 3-pipe = "44C0557" perform better ?

Geforce NVS140M(=Geforce 8400) voltage is 1.10-1.15V
In comparison I have a same age 2008 Ati HD3650 AGP(=Geforce 8600GT) and it runs 1.00V

Highsun undervolted BIOS but then I would lose Sata3 Middleton speed BIOS.

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#12 Post by madicetea » Wed Apr 18, 2018 10:33 am

123434 wrote:
Wed Apr 18, 2018 12:36 am
Highsun undervolted BIOS but then I would lose Sata3 Middleton speed BIOS.
Please refer to the forum user below me. His advice is quite true.
Last edited by madicetea on Wed Apr 18, 2018 11:16 am, edited 1 time in total.
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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#13 Post by Screamer » Wed Apr 18, 2018 11:05 am

123434 wrote:
Wed Apr 18, 2018 12:36 am
This stock T61 14.1" widescreen T8300(2.4ghz) Penryn 06/2008; 7663 has the 2-pipe version = "42W2462".
Does the 14.1" 3-pipe = "44C0557" perform better ?

Geforce NVS140M(=Geforce 8400) voltage is 1.10-1.15V
In comparison I have a same age 2008 Ati HD3650 AGP(=Geforce 8600GT) and it runs 1.00V

Highsun undervolted BIOS but then I would lose Sata3 Middleton speed BIOS.
Unfortunately, I do not have a T61 14.1" widescreen to test the 3-pipe heatsink on. The 3-heatpipe heatsink's advantage based on my observation, might perform better in terms of processor heat reduction. It does not seem to have an extra heatpipe for the graphics chip, only for the processor sadly. My guess is that it has minimal or little effect on reducing your Quadro NVS 140M's temperatures, but the processor being cooler should help with the graphics chip's overall temperature.

I highly recommend that you try Raidriar's suggestion on flashing highsun's BIOS to undervolt your graphics chip. As for the SATA III performance, I thought middleton's BIOS mod enabled SATA II speeds and not SATA III speeds? Also, if you are concerned about losing that extra speed SATA II gives you, do you have a SSD installed in your T61? If you don't, you shouldn't be worried about the maximum transfer speed SATA I gives you. At least, I have yet to see a 2.5" HDD break the 150MB/s transfer speed limit.

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Re: Is it a stupid idea to attach small copper heat sinks to T61 heat sink ?

#14 Post by Raidriar » Thu Apr 19, 2018 1:34 pm

123434 wrote:
Wed Apr 18, 2018 12:36 am
This stock T61 14.1" widescreen T8300(2.4ghz) Penryn 06/2008; 7663 has the 2-pipe version = "42W2462".
Does the 14.1" 3-pipe = "44C0557" perform better ?

Geforce NVS140M(=Geforce 8400) voltage is 1.10-1.15V
In comparison I have a same age 2008 Ati HD3650 AGP(=Geforce 8600GT) and it runs 1.00V

Highsun undervolted BIOS but then I would lose Sata3 Middleton speed BIOS.
No way Middleton BIOS gives SATA III speed....that wasn't commonly found until 2011 in laptops. Max speed you can get is SATA II and that is retained in highsun BIOS
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