Can't adjust the fan, no changes after flashing BIOS

l.auris · Sep 24, 2009, 08:54 AM

Hi, I've got a Gigabyte HD 3870 reference card, and I can't make any changes with it's fan. I use the transfer function, which is a recommended one, also set all fan settings to recommended values, but after flashing the BIOS there are no changes, the fan works as before. Have tried on many BIOSes, same problem. Maybe You could help me?

Sir_Real · Sep 24, 2009, 09:48 AM

Sounds like the gpu fans speed controller is faulty. Just bypass the speed controller ! Wire the fan direct to the 12volt input socket. Ya gunna need a soldering iron.

Might be abit loud with the fan at max speed all the time but better a noisey gpu than a burning up gpu.

l.auris · Sep 24, 2009, 09:52 AM

You see, it worked just fine with some fanfix BIOS I've flashed before, but I want to use my cards original one. So I think it's something with the BIOS, or not?

l.auris · Sep 25, 2009, 04:01 PM

Here, the fan works fine with this BIOS http://www.mvktech.net/components/co...fan_unlock.bin
So why changing the fan settings in any other BIOS with the RBE doesn't make any change after flashing the BIOS?

l.auris · Oct 11, 2009, 09:46 AM

Hello! Could anyone help me in here??

Sep 24, 2009, 08:54 AM	#1
l.auris Join Date: Jul 2009 Posts: 9 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts	Can't adjust the fan, no changes after flashing BIOS Hi, I've got a Gigabyte HD 3870 reference card, and I can't make any changes with it's fan. I use the transfer function, which is a recommended one, also set all fan settings to recommended values, but after flashing the BIOS there are no changes, the fan works as before. Have tried on many BIOSes, same problem. Maybe You could help me? Attached Thumbnails

Processor:	PC 1: Q6600@3.25,1.34v / PC 2: E8200@3.88,1.35v
Motherboard:	PC 1: Asus P5Q-SE / PC 2: Asus P5Q-E
Cooling:	PC 1: Air / PC 2: Air
Memory:	PC 1: 4gb Ocz PC8500 / PC 2: 4gb Kingston hx PC8500
Video Card:	PC 1: Saphirre HD4870x2 2GB / PC 2: 2x XFX HD4870 1GB in xfire
Hard Disk:	PC 1: Samsung 750GB (win7) + Seagate Barracuda 500GB (XP pro) / PC 2: Seagate Barracuda 160GB
CRT/LCD Model:	2x HANNS-G HH251 24.6" 1980x1080 LCD
PSU:	PC 1: CIT gold 750watt / PC 2: Powercool 850watt modular
Software:	PC 1: Win7 home 64 + XP pro 32 / PC 2: Win7 home 64
Benchmarks:	PC 1: 3Dmark2006: 18674 PC 2: 3Dmark2006: 19250

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Sep 24, 2009, 09:48 AM	#2
Sir_Real Join Date: Feb 2009 Location: Lincoln England Posts: 654 (0.42/day) Thanks: 65 Thanked 98 Times in 91 Posts System Specs	Sounds like the gpu fans speed controller is faulty. Just bypass the speed controller ! Wire the fan direct to the 12volt input socket. Ya gunna need a soldering iron. Might be abit loud with the fan at max speed all the time but better a noisey gpu than a burning up gpu.

Sep 24, 2009, 09:52 AM	#3
l.auris Join Date: Jul 2009 Posts: 9 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts	You see, it worked just fine with some fanfix BIOS I've flashed before, but I want to use my cards original one. So I think it's something with the BIOS, or not?

Sep 25, 2009, 04:01 PM	#4
l.auris Join Date: Jul 2009 Posts: 9 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts	Here, the fan works fine with this BIOS http://www.mvktech.net/components/co...fan_unlock.bin So why changing the fan settings in any other BIOS with the RBE doesn't make any change after flashing the BIOS?

Oct 11, 2009, 09:46 AM	#5
l.auris Join Date: Jul 2009 Posts: 9 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts	Hello! Could anyone help me in here??

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