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X61 and its super loud, pointless secondary fan
X61 and its super loud, pointless secondary fan
Hello lads,
I'm back on feet and back working on thinkpad stable I have here. X61 got the shot now.
I was lucky to get a T9300 unit with one of the latest production dates.
Runs and feels fantastic, HOWEVER it has the secondary fan under the palmrest that does nothing else just mixes the air inside - guess this was for wireless cooling. Thingy is, when it spins of, the system is EXTREMELY loud. I cannot take this particular fan out - the system produces a fan error, and TPfancontrol just spins both fans at presumably same speeds, resulting in huge amount of noise.
Other than that, when tpfancontrol is installed, the system won't turn off itself at all
Is there any known way to remove the fan and prevent the system from checking its presence?
I'm back on feet and back working on thinkpad stable I have here. X61 got the shot now.
I was lucky to get a T9300 unit with one of the latest production dates.
Runs and feels fantastic, HOWEVER it has the secondary fan under the palmrest that does nothing else just mixes the air inside - guess this was for wireless cooling. Thingy is, when it spins of, the system is EXTREMELY loud. I cannot take this particular fan out - the system produces a fan error, and TPfancontrol just spins both fans at presumably same speeds, resulting in huge amount of noise.
Other than that, when tpfancontrol is installed, the system won't turn off itself at all
Is there any known way to remove the fan and prevent the system from checking its presence?
Too many thinkpads not enough time!
(stable under reduction)
(stable under reduction)
Re: X61 and its super loud, pointless secondary fan
Presumably - do something with the fan connector on the board, but I am not the person who knows what exactly.
Thinkpad 25 (20K7), T490 (20N3), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad
Re: X61 and its super loud, pointless secondary fan
I don't think it would help, really :/
This particular fan is controlled by eeprom U99. It seems to share the control but... with a different tachometer? If one of those fan stops, I will get a fan error. If I try to control any of them, I control both just the same way. Duh. I _THINK_ I have seen a piece of hardware using NE555 pulse generator, but creating such PCB myself is out of my skill range
This particular fan is controlled by eeprom U99. It seems to share the control but... with a different tachometer? If one of those fan stops, I will get a fan error. If I try to control any of them, I control both just the same way. Duh. I _THINK_ I have seen a piece of hardware using NE555 pulse generator, but creating such PCB myself is out of my skill range
Too many thinkpads not enough time!
(stable under reduction)
(stable under reduction)
Re: X61 and its super loud, pointless secondary fan
You could remove the fins from the fan and just leave the core. It'll still spin but make far less noise.
X301: SU9600 | 8GB | 1TB | WXGA+
X1C5: 7600U | 16GB | 1TB | FHD
X1C9: 1145G7 | 16GB | 1TB | WUXGA | WWAN
X1Y8: 1365U | 32GB | 1TB | WUXGA
P14s G1 AMD: 4750U | 32GB | 1TB | PG FHD Touch
T14 G2: 1145G7 | 32GB | 1TB | FHD
X1C5: 7600U | 16GB | 1TB | FHD
X1C9: 1145G7 | 16GB | 1TB | WUXGA | WWAN
X1Y8: 1365U | 32GB | 1TB | WUXGA
P14s G1 AMD: 4750U | 32GB | 1TB | PG FHD Touch
T14 G2: 1145G7 | 32GB | 1TB | FHD
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- Location: Metro Manila, Philippines
Re: X61 and its super loud, pointless secondary fan
Anyone tried a jumper wire from the main fan's RPM sense pin to the corresponding pin on the 2nd fan?
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Re: X61 and its super loud, pointless secondary fan
In following with my observations here... (viewtopic.php?f=30&t=134333)
I don't know how hotter than a L-series a T9300 runs, but a roundabout solution is to make sure your primary fan and sink are clean... You CPU should be the hottest component around, esp. with a secondary fan, and it shouldn't run hard all the time at all. The fact that it does seems suspicious to me and this may solve both issues at once...
I don't know how hotter than a L-series a T9300 runs, but a roundabout solution is to make sure your primary fan and sink are clean... You CPU should be the hottest component around, esp. with a secondary fan, and it shouldn't run hard all the time at all. The fact that it does seems suspicious to me and this may solve both issues at once...
Workhorse: vanilla X61s. "Gaming": 14s-IWL. Drawer: X31, X201s (sold, couldn't get used to it...). Office: T560. First crush: X20. Fond memories: SXGA+ 770
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Re: X61 and its super loud, pointless secondary fan
You've probably seen these, but just in case:
https://thinkpads.com/forum/viewtopic.php?f=30&t=114084
https://thinkpads.com/forum/viewtopic.php?f=30&t=113072
https://www.thinkwiki.org/wiki/How_to_control_fan_speed ==>> scroll to: Hardware specs
https://www.mail-archive.com/search?l=i ... newest&f=1
https://thinkpads.com/forum/viewtopic.php?f=30&t=114084
https://thinkpads.com/forum/viewtopic.php?f=30&t=113072
https://www.thinkwiki.org/wiki/How_to_control_fan_speed ==>> scroll to: Hardware specs
https://www.mail-archive.com/search?l=i ... newest&f=1
Lovely day for a Guinness! (The Real Black Stuff)
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