I just bought a new heatsink (Arctic Cooling Freezer 7 Pro) to replace my stock AMD one (Phenom II x4 965 BE) and it seems it's not getting enough power to run at full rpm. I bought a case fan as well at the same time, and when it was just the heatsink running the RPM sped up a bit but still not at full speed.
AMD Phenom II x4 965 BE @ stock (for obvious reasons)
G.Skill (not ripjaw) 4GB DDR3 1600Mhz @ 1333Mhz
Gigabyte GA890-GPA UD3H
Nvidia GTX 470 1280mb
Lite-On DVD Combo Drive
Super-Flower SF700A14A Gamer Edition 700W (http://www4.hardwareversand.de/articledetail.jsp?aid=29234&agid=1629)
If it is the PSU can you recommend a new anyone please?
They seem good but I want to be sure before I splurge and get something that's not going to help my situation.
Either of those would be great for you. I'd prefer the XFX one, I think they have the same warranty deal on their psu's as their cards, but I'm not certain
I just got and installed the new PSU but the fan(s) are still slow.
maybe you need a fan controller or a new FAN? What rpm does your fan have in its specs and what's the current running speed? Boy you bought a new psu just so you can run those fans at full speed? You should have just bought a good fan like thermalright brands or some scythe, yate loons if you want some real juice.
ihatenvidia wrote:maybe you need a fan controller or a new FAN? What rpm does your fan have in its specs and what's the current running speed? Boy you bought a new psu just so you can run those fans at full speed? You should have just bought a good fan like thermalright brands or some scythe, yate loons if you want some real juice.
it's supposed max is 2500RPM and I have another case fan who's max is 3500RPM. Mine run at 2000RPM for the CPU and 700RPM for the case fan. I have an NZXT Beta (not evo) and the fan that came with it also does not run at full speed when plugged into the motherboard yet it's perfectly fine when directly connected to the PSU. I thought it could be that motherboards not getting enough power, I checked the bios for the North Bridge voltages but I don't know usually mess with anything other than the Multiplier and the FSB. I heard it's Something like "DDR VTT" (I have a Gigabyte motherboard BTW). Yah I probably should get a fan controller. Any recommendations? I needed another PSU anyway I wouldn't trust that other for too long :P
Your new PSU was a good upgrade if even it did not fix the problem. Is it possible your motherboard is controlling the fan speeds? Poke around in the motherboard bios. Did your fans come with any molex adapters to power off of the PSU rather than the motherboard?
I've looked in the bios but I couldn't find anything useful apart from voltages; but I have no idea on which one I should change. My case possibly came with a molex adapter but I wouldn't know because I had it built to order and who knows what they kept from me. I might pick some adapters locally for at least a temporary fix. Would it be a bad idea to power the CPU Fan off of the PSU? I would imagine there would be some warning with the motherboard thinking there's no Heatsink attached. If I remember correctly Rodney reviewed a rheostat awhile back. "rheosmart"?
It sounds like the voltage applied to the fan is based on the CPU temperature. This is very common on most boards now. When your CPU gets hot, the fan speeds up automatically.
With your motherboard, it does not appear (with factory BIOS) that any option to put extra speed on the fan is available. IF YOU NEED THE FAN TO RUN FULL SPEED AT ALL TIMES FOR FUNCTIONAL ISSUES, the solution is to get a molex (drive power plug) adapter and plug it in there, where it will get the full 12V.
The reason behind this is that if the CPU is in a safe heat zone, why have a noisy fan shaking your case to death. On my rig, my CPU fan header and my case fan headers (rear and side), as well as the GPU fan, are all temp controlled, and the only time I see the fans really get up and going is either when playing a game (and there is enough sound blasting me that I can't hear the fans anyway) or when I'm rendering a video for YouTube. Aside from that, my PC is just very quiet.
I actually did put a fan controller in on my big rig because even at full CPU/GPU, there is no reason to speed up the case fans in my Aerocool case because there is ZERO temperature difference. Just too many blasted fans moving air anyway in a very very well ventilated case.
If I recall correctly on my Gigabyte board I set the fan options to disable. You can also try downloading Easy Tune 6 and see if there are any fan speed options.
I already disabled cool n quiet. They are constantly running at full speed. I have easy tune and have disabled smart fan there as well.
Boy, sorry. Forgot about Easy Tune. All of my AMD boards are either Abit or MSI.
Easy Tune will give you full access to fan speeds. Cool & Quiet (via BIOS) is NOT linked to fan speeds on modern boards like it was on the first gen X2s. Cool & Quiet is nice for cabinet mounted servers and workstations, but for game rigs I still prefer to have it turned off, and a properly cooled rig will not suffer with a hotter chip.
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