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punter
Guru
Joined: 25 Nov 2002
Posts: 506
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 Posted: Sat Apr 25, 2009 11:49 am Post subject: change temp trip point for fan |
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hi guys, i've got a nightmare!
i sent my laptop for repair (under warranty) and the new installed motherboard doesn't seem to support "Fan Control" setting under the BIOS configurations - the bios version is the same as before!
is there anyway to hack the m/b or bios to change the temperature trip point for turning on the fan??
this is my lspci:
| Code: | 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 12)
05:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
08:03.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b3)
08:03.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 08)
08:03.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 17)
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please advise,
thanks,
shane |
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stan666
Apprentice
Joined: 25 Jun 2007
Posts: 165
Location: Germany
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| Posted: Tue May 05, 2009 6:14 pm Post subject: |
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have you tried using "lm_sensors" and changing the max temperature for your board via "/etc/sensors.conf"?
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hvengel
Guru
Joined: 19 Sep 2004
Posts: 515
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| Posted: Fri May 22, 2009 11:43 pm Post subject: |
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| lm_sensors might be the right package but you will need to use the fancontrol script that comes with it. This may not work for your fan but it is the only linux app that I know of that does this. You use pwmconfig to setup the configuration for the script which will end up in /etc/fancontrol. After you have it working it should be fairly simple to add an init script for it and have it startup automatically. |
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pappy_mcfae
Watchman
Joined: 27 Dec 2007
Posts: 5999
Location: Pomona, California.
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| Posted: Sat May 23, 2009 6:57 am Post subject: |
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That's something that IMO, should be left unmolested. The standard feedback control system for the fan is made to work without intervention from extraneous software. I never turn it on, and I never have a problem. If you really want to mess with it, make sure you have things set right in the kernel, and cross your fingers.
If you really want to, "hack the board," I would advise waiting until the warranty is out. OEM's frown on getting such things RMA.
Good luck.
Blessed be!
Pappy
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