[GUIDE] Make your T60 with ATI run *cool* (and quiet)

T60/T61 series specific matters only
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lab
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#61 Post by lab » Tue Mar 21, 2017 2:42 pm

zoltan87 wrote: Is there a way to somehow change these rpm numbers? Or trick the controller into reading higher numbers than the actual fan speed? I really want to make a quiet first level for the fan where it slightly cools but is inaudible.
Except for a hardware solution I think the only way is to hack bios. Fortunately with T60 it is easy to hack bios and set custom rpm values, detailed instructions are posted in this forum if you search older threads. Also T61 rpm values can be set using a similar bios hack.

zoltan87
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#62 Post by zoltan87 » Wed Mar 22, 2017 1:54 pm

Oh that's good news! Will do some more searching then. Strange, as I googled quite a lot, but couldn't find anything apart from some german forums.

lab
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#63 Post by lab » Wed Mar 22, 2017 2:38 pm

zoltan87 wrote:Oh that's good news! Will do some more searching then. Strange, as I googled quite a lot, but couldn't find anything apart from some german forums.
In this thread you find instructions (post #12 and also some posts written by me later in the thread):


viewtopic.php?p=678419#p678419

zoltan87
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#64 Post by zoltan87 » Tue Apr 18, 2017 10:06 am

Very interesting thread. Unfortunately those things are way above my skill set ( especially post no.12, it's like reading chinese). Maybe I will come back to it later. It's a shame there is no simple solution to this "fixed rpm" problem.

iModFrenzy
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#65 Post by iModFrenzy » Sat Jul 01, 2017 2:40 am

I thought I'd share my temps with the T500 Cooler with my X1400 and Core 2 Duo T7200:

So idle temps have been a bit weird, hovering around 40-50 if I'm lucky high 30s. I'm assuming this is from the fan not turning on till it hits a high certain temperature?

My max temps however stay at a 70 with maximum performance and running CPU-Z Stress test for 5-10 minutes.

This is just stressing the CPU though, I'm not sure how to check the GPU's temperature because no software detects a sensor(HWMonitor,SpeedFan,GPU Temp,etc).

Aside from the temps, installing the fan was easy but was a bit tight on the bracket for the GPU. The fan is really quiet as well! Also beware some eBay sellers might be selling a single pipe fan listed as a T500, almost bought one not realizing :oops:
Thinkpad T61 1.9Ghz P9500, 4GB, NVS 140M, Samsung 850 EVO 256GB, HIGHSUN BIOS undervolting GPU to 0.95V, Windows 7 x64 Ultimate

Daily Driver: MacBook Air 2015 1.6ghz i5-5250u,8gb RAM, Intel HD 6000

zoltan87
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#66 Post by zoltan87 » Sat Jul 01, 2017 1:36 pm

iModFrenzy You should install ThinkpadFancontrol, that's a small program that lets you read all the temperatures your laptop can measure (like cpu, gpu, battery, etc) and you can also fine tune fan levels at certain temperature tresholds.

iModFrenzy
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#67 Post by iModFrenzy » Sun Jul 02, 2017 11:38 am

zoltan87 wrote:
Sat Jul 01, 2017 1:36 pm
iModFrenzy You should install ThinkpadFancontrol, that's a small program that lets you read all the temperatures your laptop can measure (like cpu, gpu, battery, etc) and you can also fine tune fan levels at certain temperature tresholds.

Wow that’s really useful, works great! I’ll report temps of the GPU later when I get to my T60 :)

EDIT: Temps for GPU below!

So the GPU hasn't gone over 70c during any heavy usage. I played a few heavy games(Halo 2,CS:S,Half Life 2: Episode Two,etc) and some 720p Youtube videos. I then did a FurMark stress with a CPU-Z stress and the temps were around the earlier 60s which surprised me. It seems the cooling is much more efficient :D

I also ran the fan at full speed and it's not that bad. Combined with ambient noise, I wouldn't even hear it!
Thinkpad T61 1.9Ghz P9500, 4GB, NVS 140M, Samsung 850 EVO 256GB, HIGHSUN BIOS undervolting GPU to 0.95V, Windows 7 x64 Ultimate

Daily Driver: MacBook Air 2015 1.6ghz i5-5250u,8gb RAM, Intel HD 6000

zoltan87
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#68 Post by zoltan87 » Tue Dec 12, 2017 2:25 pm

Just an update:
I have successfully modded the EC firmware with modified rpm values for the fan. Huge thanks for forum member "lab", he helped me out with the checksum modification. The new fan levels are: 1700-2200-2700 (factory values were: 3000-3400-3800). In all fairness I could have started with 1800 or 1900 rpm as level 1, as it would have been still silent (also, maybe because I use a heatsink-fan assembly from a Thinkpad T500, my fan on level 1 runs slightly below the given 1700 value, somewhere between 1500-1650). The difference in indescribable. My T60 has become a perfectly silent laptop, the perfect machine for my needs. Now the only thing that will be left is upgrading the screen backlight with a LED kit , I bough from xiphmont a while ago (still haven't got the time to put it in, and also kinda waiting for the factory ccfl to die).

This is why I love this forum, so many helpful guys here, who share the same love for these old, great machines.

NonesensE
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#69 Post by NonesensE » Tue Dec 12, 2017 6:11 pm

zoltan87 wrote:
Tue Dec 12, 2017 2:25 pm
Just an update:
I have successfully modded the EC firmware with modified rpm values for the fan. Huge thanks for forum member "lab", he helped me out with the checksum modification. The new fan levels are: 1700-2200-2700 (factory values were: 3000-3400-3800). In all fairness I could have started with 1800 or 1900 rpm as level 1, as it would have been still silent (also, maybe because I use a heatsink-fan assembly from a Thinkpad T500, my fan on level 1 runs slightly below the given 1700 value, somewhere between 1500-1650). The difference in indescribable. My T60 has become a perfectly silent laptop, the perfect machine for my needs. Now the only thing that will be left is upgrading the screen backlight with a LED kit , I bough from xiphmont a while ago (still haven't got the time to put it in, and also kinda waiting for the factory ccfl to die).

This is why I love this forum, so many helpful guys here, who share the same love for these old, great machines.
Great work! Would you mind to elaborate on how you did this? I guess, other people might be interested, too, considering there once was a device to fake the fan signal and make the fan turn slower on these laptops. I certainly would be interested hadn't I just upgraded my T61 to a T70 (I know, T61 and T60 are just similar, not the same).
Sometimes coming over from the German forum...
X62s 3rd batch, [s]T61[/s] T70 14" 4:3 1st batch

zoltan87
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Re: [GUIDE] Make your T60 with ATI run *cool* (and quiet)

#70 Post by zoltan87 » Tue Dec 12, 2017 7:49 pm

NonesensE wrote:
Tue Dec 12, 2017 6:11 pm
zoltan87 wrote:
Tue Dec 12, 2017 2:25 pm
Just an update:
I have successfully modded the EC firmware with modified rpm values for the fan. Huge thanks for forum member "lab", he helped me out with the checksum modification. The new fan levels are: 1700-2200-2700 (factory values were: 3000-3400-3800). In all fairness I could have started with 1800 or 1900 rpm as level 1, as it would have been still silent (also, maybe because I use a heatsink-fan assembly from a Thinkpad T500, my fan on level 1 runs slightly below the given 1700 value, somewhere between 1500-1650). The difference in indescribable. My T60 has become a perfectly silent laptop, the perfect machine for my needs. Now the only thing that will be left is upgrading the screen backlight with a LED kit , I bough from xiphmont a while ago (still haven't got the time to put it in, and also kinda waiting for the factory ccfl to die).

This is why I love this forum, so many helpful guys here, who share the same love for these old, great machines.
Great work! Would you mind to elaborate on how you did this? I guess, other people might be interested, too, considering there once was a device to fake the fan signal and make the fan turn slower on these laptops. I certainly would be interested hadn't I just upgraded my T61 to a T70 (I know, T61 and T60 are just similar, not the same).
It's quite complicated (at least it was for me), here is the thread where I read about this modification, the two important posts are number 12 and 53.

viewtopic.php?f=29&t=101788

After carefully reading those posts and watching a youtube tutorial video about hex editors, I was able to change the rpm table in a hex editor program called HxD with the help of the windows calculator (programmer layout, that can display and convert hex and decimal numbers), but I had no idea how to do the checksum after that change, so a forum member called "lab" helped me out with that.

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