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So here's something odd

S

Sycraft

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Got a new Core 2 Q9550 today. It's up and running, and as far as I can tell is fine. CPU benchmarks are in line with what you'd expect and it doesn't blow up or anything. Speedfan and Realtemp both report temperatures in a fine range. However, the system seems mad with it. It spins the CPU fan up to full blast and leaves it there. Not sure why, temps are reporting fine, but it doesn't change it. Likewise, the Intel utility says that the Thermal Margin (how close the CPU is to it's allowed temp) is 24 degrees, but that doesn't move. When I put the system under load Speedfan and Realtemp report higher temperatures (though still plenty good) but that thermal margin doesn't change a bit.

Anyone experience this and have an idea what's going on?
 
What motherboard? Do you have the CPU fan set to max or something? It sounds like you might need to adjust the fan settings in the BIOS.
 
I have a DP35DP. Fan speed isn't set to max, I don't know that it has a max setting. Didn't do a CMOS reset, I suppose I can try that after I get my backup drive populated (also replaced a drive). I have a RAID-5 for my system so I don't want to reset the CMOS (since the RAID is on motherboard) until I have a backup ready.
 
Nope, didn't do the trick. I told the BIOS to load it's defaults, but the fan still runs to 100%.
 
Didn't help. I pulled the battery for about 30 seconds then put it back in. This reset the system clock and generated a CMOS checksum error in the system event log, but didn't fix the problem. In fact, none of the BIOS settings were changed. They are apparently stored in non-volatile memory on this model of board.
 
Sycraft said:
Didn't help. I pulled the battery for about 30 seconds then put it back in. This reset the system clock and generated a CMOS checksum error in the system event log, but didn't fix the problem. In fact, none of the BIOS settings were changed. They are apparently stored in non-volatile memory on this model of board.
Click to expand...

Doubt that, probably just means all your settings were already at the defaults
 
Crotan: No, my settings aren't the defaults. Most are, but some (like using RAID mode) aren't. When I had the BIOS reset to default settings, that changed. When I pulled the battery it didn't.

Cyclone: Yes, latest BIOS. Version 517 released 1/5/2009. Processor needs version 484 or later so should be fine.

JacobC: No, it's in the right plug. The one right next to the CPU. The system sees it as the CPU fan, and reports it is going full speed.
 
In my case, after installing the cpu cooler in my rig, it’s fan was working at full speed all the time, I went to bios then to something like health options and played with the fan control settings, now the speed is detreming by the core’s temp’s
 
And I found the solution: Reflash the BIOS to the same version I have. Yes, really. Intel hasn't updated the BIOS since 0517, which is what I was running. When I ran the flash utility it even said "Uhhh this is the same version, you sure you want to continue?" However it fixed the problem.

Why? The settings in the Intel Management Engine firmware were screwed up. The problem is, the ME is separate from the main BIOS and there's no controls for it there so none of the resetting of settings did anything to it. However it DOES get reset in a reflash (the main BIOS doesn't the settings for that are preserved).

So, should any of you ever see something similar, reflash your BIOS to the same version you have currently, see if that clears it up. Most likely only affects Intel boards themselves since most OEMs skip the ME stuff. However it also could affect Dells and such since they have Intel build their boards.
 
Did you ensure that EIST and TM2 are enabled in the BIOS? Hopefully with those enabled the system won't run the fan at 100% all the time when the system is idle or just not doing much.

I've got an Intel DP35P in my HTPC and its working fine. It sure doesn't have any issues like those described by the OP. Though I am not using the stock Intel fan and I'm using a Q6600 instead of a Q9550. I think I'm running on a really old BIOS too. I'm using a Scythe Ninja I believe instead of the stock fan. Really my experience is that the stock Intel fan needs to run fairly hard to keep the CPUs cool. If you've got another heat sink and fan to try I'd go with that. It sounds like you've done all you can with the BIOS.
 
Sorry Dan, maybe my last post wasn't clear, especially since it has been a couple months: I'm the original poster and I found a solution. I had to reflash (not update) my BIOS and now the CPU fan runs at the proper speed, and the BIOS properly detects the thermal margin.

I was just posting to let people know what the solution was, in part because hard forum gets indexed by places like Google. So hopefully should anyone have a similar problem, a Google search can bring them here and they can find the answer.

I run a Arctic Cooling Freezer 7 Pro which does a bang up job keeping the CPU cool. Now that the problem is fixed, it runs at about 400rpm when the cores are idling, which keeps them at about 40 degrees C. It doesn't start to spin up till they hit about 50 degrees. The board's opinion seems to be that 50 degrees is a good temp for the CPU. If the CPUs are below it, slow the fans down until they hit the minimum. If the CPUs are above it, speed them up until they lower.

So the problem is finally fixed here, just wanted to let people know what the solution is.
 
Sycraft said:
Sorry Dan, maybe my last post wasn't clear, especially since it has been a couple months: I'm the original poster and I found a solution. I had to reflash (not update) my BIOS and now the CPU fan runs at the proper speed, and the BIOS properly detects the thermal margin.

I was just posting to let people know what the solution was, in part because hard forum gets indexed by places like Google. So hopefully should anyone have a similar problem, a Google search can bring them here and they can find the answer.

I run a Arctic Cooling Freezer 7 Pro which does a bang up job keeping the CPU cool. Now that the problem is fixed, it runs at about 400rpm when the cores are idling, which keeps them at about 40 degrees C. It doesn't start to spin up till they hit about 50 degrees. The board's opinion seems to be that 50 degrees is a good temp for the CPU. If the CPUs are below it, slow the fans down until they hit the minimum. If the CPUs are above it, speed them up until they lower.

So the problem is finally fixed here, just wanted to let people know what the solution is.
Click to expand...

Cool. Glad you found a solution.
 
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