Re: P5WD2 CPU cooling

Room temp 74F or 23.3C
CPU: 49C (according to PC Probe) - idling
mobo: 34C

clearances
about 2" between top edge of CPU heat sink and PSU
about 2.5" between back edge of CPU heat sink and 120MM rear fan
about 1/4" between north bridge fan less heat sink and CPU heat sink

other
removed HD trays not in use (2 of 4 in the case front)
PSU: Antec TruePower 2.0
case fans connected through mobo (vice the PSC "fan only" power molex)
C drive temp 33C

fan speeds
CPU: 2786rpm +/-
antec pro1200mm dbb, front case: 1896rpm +/-
antec pro1200mm dbb, rear case: 1985rpm +/-

I think I'll re-route the fan connectors to the PSU after next
shut-down. I typically run the machine 24/7. If that doesn't work,
I'll do still more research on the after-market cooling solutions.
Unfortunately, the thermal resistance of those I've found doesn't
appear that any of the air coolers will actually work. I'm beginning
to wonder if I have a "problem" CPU or heat sink.

I appreciate all of your comments; this has become a challenge. I've
had to learn a lot more than I wanted to - actually downloading and
reading the Intel thermal specs, researching after-market cooling
solutions, trying a new case (the Antec P-160 is great BTW - I'm using
ASUS ribbon cables with the HDx2 connections on the backside of the
trays and HDs in the lower-most trays, which eliminates the air flow
restrictions from the wiring/cabling).



On Thu, 29 Sep 2005 07:30:45 GMT, "Michael W. Ryder"
<_mwryder@xxxxxxxxxxxxxxxx> wrote:

>Ken wrote:
>> On Wed, 28 Sep 2005 23:45:58 GMT, "Michael W. Ryder"
>> <_mwryder@xxxxxxxxxxxxxxxx> wrote:
>>
>>
>>>>-- CPU idles at 49C using, with two incidents of it reaching 65C;
>>>>-- mobo idles at 37C (according to both sensors), with a peak temp of
>>>>40C.
>>>>
>>>
>>>Your temperatures still seem to be too high. My 3.4 GHz Prescott idles
>>>at around 40C, or about 10 degrees lower than yours. I could not tell
>>>how much clearance there is in your case with the power supply so I
>>>don't know if this is a problem. When I only had less than an inch of
>>>clearance I was getting readings like you are getting.
>>
>>
>> Your room temp? Whithout knowing that you can't compare.
>>
>Around 25 to 27 degrees Celsius. Unless the OP's room temperature is
>the same as our outside temperature in the summer (Las Vegas, NV) his
>idle temperature is too high. It sounds like an airflow problem.

.

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