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Gigabyte GA-Z68XP-UD4 SYS Fan2 Runs at 5 Volts ?

post #1 of 4
Thread Starter 
Just got this board and noticed the old SYS FAN2 only runs at 5 volts even though the user guide says 12 volts.
I've had several Gigabyte boards i.e GA-P67A- UD4 and the X58-UD4 and both of those also had the 5 volt SYS FAN2 problem.
Anyone else notice this ? There's no System fan control in the Bios, just control for CPU.
I called Gigabyte support and the guy didn't have a clue ! Super annoying because it effectively renders one fan header useless and there's only three to begin with.
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post #2 of 4
It might be possible that the user guide manual has it wrong as it might be used for multiple boards and be a generic manual. I have the GA-Z68-XP-UD5 can check when I get home and post what it is for that board.
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post #3 of 4
it runs at 5v because it wont run all the fans at full speed.
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Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
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Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
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post #4 of 4
Thread Starter 
Hey Sin0822,

I know you are the resident Gigabyte expert. Explain to me what you mean. Whats the purpose of the 5 volt header if you can't run a fan at full speed?
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Intel 520 120gb SSD LG 24x Win XP Pro 64 / Win 7 Pro 64 Dell U2412M 
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Corsair AX650 Lian LI PC9F Logitech G500 Razer Goliathus 
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My System
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CPUMotherboardGraphicsRAM
Intel Core i7 3930K Asus Sabertooth X79 NVIDIA GeForce GTS 450 Samsung  
Hard DriveOptical DriveOSMonitor
Intel 520 120gb SSD LG 24x Win XP Pro 64 / Win 7 Pro 64 Dell U2412M 
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Corsair AX650 Lian LI PC9F Logitech G500 Razer Goliathus 
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