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Old 03-23-07, 01:11 PM   #25
Demon_82
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Default Re: Zalman CNPS9500LED temps too damn high.

My experience is that the CNPS 9500 LED may not be the best cooler, but it's perfectly capable to handle your setup. It's currently holding my E6600 @ 3'5GHz/1'52v between 47 on iddle and 53 on full load. Yeah, isn't very cold in iddle, but it almost doesn't go up in full load. And i'm talking of full load as in Orthos during a couple of hours or more.
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Old 03-23-07, 01:25 PM   #26
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Default Re: Zalman CNPS9500LED temps too damn high.

I'm about to take off my heatsink and lap it. I get 50C idle on a warm day @ 3.2ghz 1.4v in BIOS
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Old 03-23-07, 02:39 PM   #27
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by stevemedes
I'm about to take off my heatsink and lap it. I get 50C idle on a warm day @ 3.2ghz 1.4v in BIOS
What exactly is your ambient temp when you say,"a warm day"? Your temps don't seem that crazy considering your voltage.

More voltage increases temps significantly more than just increasing the clock speeds.

For example, I have a watercooled E6600 on an Asus P5B DX and here are my idle and load temps at different speeds and voltages.

Stock clocks and voltage - idle: 24/25c load: 32/33c
3.2 (8 x 400) and 1.45v - idle: 27/28c load: 42/43c
3.6 (9 x 400) and 1.525v - idle: 31/32c load: 50/51c

Ambient temp is ~ 23c - 25c. And full load is dual f@h for several hours. Orthos or TAT is a degree or two hotter.
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Old 03-23-07, 02:55 PM   #28
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by schuey74
What exactly is your ambient temp when you say,"a warm day"? Your temps don't seem that crazy considering your voltage.

More voltage increases temps significantly more than just increasing the clock speeds.

For example, I have a watercooled E6600 on an Asus P5B DX and here are my idle and load temps at different speeds and voltages.

Stock clocks and voltage - idle: 24/25c load: 32/33c
3.2 (8 x 400) and 1.45v - idle: 27/28c load: 42/43c
3.6 (9 x 400) and 1.525v - idle: 31/32c load: 50/51c

Ambient temp is ~ 23c - 25c. And full load is dual f@h for several hours. Orthos or TAT is a degree or two hotter.

I realize that > voltage = greater heat.
The fact is the base on my heatsink is concave. My room is kept at around 72F. I have to gob on the thermal grease just so the heatsink contacts the base at all. If I spread it thin, my PC shuts off before it reaches windows because theres literally no contact between the CPU and the heatsink.
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Old 03-23-07, 03:08 PM   #29
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by stevemedes
I realize that > voltage = greater heat.
The fact is the base on my heatsink is concave. My room is kept at around 72F. I have to gob on the thermal grease just so the heatsink contacts the base at all. If I spread it thin, my PC shuts off before it reaches windows because theres literally no contact between the CPU and the heatsink.
Oops, I missed that post at the bottom of the last page. I'd trying lapping it, although that may make it impossible to RMA it if you don't get the desired results. If I was in your position I'd return it and pick up the Tuniq or RMA it and use the stock cooler until your replacement arrives.
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Old 03-23-07, 06:21 PM   #30
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by schuey74
Oops, I missed that post at the bottom of the last page. I'd trying lapping it, although that may make it impossible to RMA it if you don't get the desired results. If I was in your position I'd return it and pick up the Tuniq or RMA it and use the stock cooler until your replacement arrives.
I'd put the stock cooler back on. But I really dont feel like taking my mobo out to take off the backplate. I have everything the way I want it and it really pisses me off that the damn thing isnt flat.
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Old 03-24-07, 08:59 AM   #31
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Default Re: Zalman CNPS9500LED temps too damn high.

The CNPS9500 needs lapping???



I put that on last night. my E6600 is running right now at 3.4ghz. I'll reboot in a little while and post the voltage and temp (btw what do you guys use to measure temps in windows?)

The HSF is cool to the touch though. I'll admit though. It's in a Lian Li PC-V1200Bplus II Case with a pair of low RPM 120mm fans in the front and another in the back. The zalman (running at full speed) is pointing so that the fan faces the front of the case and pulls from that direction blowing it through the cooler striaght at the exhaust fan. Pretty effecient IMO.

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Old 03-24-07, 02:01 PM   #32
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Default Re: Zalman CNPS9500LED temps too damn high.

Maybe you got a newer revision but I'm telling you mine isn't flat.
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Old 03-24-07, 02:07 PM   #33
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by FastRedPonyCar
The CNPS9500 needs lapping???



I put that on last night. my E6600 is running right now at 3.4ghz. I'll reboot in a little while and post the voltage and temp (btw what do you guys use to measure temps in windows?)

The HSF is cool to the touch though. I'll admit though. It's in a Lian Li PC-V1200Bplus II Case with a pair of low RPM 120mm fans in the front and another in the back. The zalman (running at full speed) is pointing so that the fan faces the front of the case and pulls from that direction blowing it through the cooler striaght at the exhaust fan. Pretty effecient IMO.

Why not get the ultra panaflo fans? They're the best that can be bought. perf pcs and newegg have them. 114cfm and long life at 50 deg C.

Although I'm glad to hear your zalman works well.
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Old 03-24-07, 02:09 PM   #34
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by stevemedes
Maybe you got a newer revision but I'm telling you mine isn't flat.
The 9700 zalman may be a great idea. i don't think they'll have the concave defect.
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Old 03-24-07, 02:46 PM   #35
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Default Re: Zalman CNPS9500LED temps too damn high.

Quote:
Originally Posted by kevpla1@cox.net
The 9700 zalman may be a great idea. i don't think they'll have the concave defect.
I feel honored that kevpla1@cox.net replied to my thread!
Thanks for the suggestion.
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Old 03-24-07, 04:31 PM   #36
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Default Re: Zalman CNPS9500LED temps too damn high.

I ran Orthos for a few hours last night and my temp only went up 6 degrees!

I'm now idling at 46C, though, because the temps have continued to rise here in Milwaukee and the heat from the floors below are combining to make it uncomfortably warm in my apartment.
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