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Old 05-04-2008, 04:15 AM   #1
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Exclamation Q9450 High Temps!

Today I finally finished assembling my new PC!

My specs;

Q9450
DFI P35 LP UT
9800GTX
G Skill 4G 1066
WD640AAKS (HDD)
Vists 64
...etc

This temps are from Everest & Core temp app
Core 1 = 35c
Core 2 = 35c
Core 3 = 48c
Core 4 = 46
Chipset 38c
PWN = 36c

As u can see the diff between the cores are ALMOST 10c !!! What did I do
wrong? I am using "Ultima 90" with the Noctua 90mm fan.

I applyed thermal paste the way Arctic Silver website showed it. I know it will take a 2-3 days for the thermal paste to sink in, but 10c diff is huge!!

What u guys think I should do?
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Old 05-04-2008, 06:47 AM   #2
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Default Re: Q9450 High Temps!

I tried applying the paste in the way AS's site indicates, but I found the paste didn't spread out properly. The best way spread the paste is and always has been IMO to spread a very thin layer over the whole of the IHS. And that brings up another possibility, have you checks the flatness of the IHS? Is it concave or convex. Some of the cores under the IHS may be in better contact. And you should also check your HS's base.
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Old 05-04-2008, 12:27 PM   #3
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Default Re: Q9450 High Temps!

What is "IHS"?

I have lapped my "Ultima 90" HS its supposed to be almost as good as the "True 120"

Quick question about ram,

I have 4g of 1066 memory, on the load screen it shows im runing it as 800, well thats because my mobo is 800 native. On the CPU-Z it shows that its running as 400Mhz at 5-5-5-15 FSB 5:6 how do i make it run as 1066?

here is the link to it

http://www.newegg.com/Product/Produc...82E16820231166
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Old 05-04-2008, 01:23 PM   #4
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Default Re: Q9450 High Temps!

Quote:
Originally Posted by Zer0Cool View Post
how do i make it run as 1066?
go to the bios and change the speed to 1066. It depends on the bios, sometimes you can just change the speed, sometimes it's the divider you need to change etc. But it will be somewhere in the bios.
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Old 05-04-2008, 02:26 PM   #5
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Default Re: Q9450 High Temps!

Quote:
What is "IHS"?
Intergrated heat spreader. The piece of metal that sits on top of the core(s).
Quote:
I have 4g of 1066 memory, on the load screen it shows im runing it as 800, well thats because my mobo is 800 native. On the CPU-Z it shows that its running as 400Mhz at 5-5-5-15 FSB 5:6 how do i make it run as 1066?
At the default maximum FSB speed of 1333MHz (333MHz), your motherboard does not have a divider to run the RAM at 1066. You will need to increase you FSB speed to allow the RAM to run at 1066. RAM speed = FSB x 2 x divider.
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Old 05-04-2008, 04:59 PM   #6
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Default Re: Q9450 High Temps!

Quote:
Originally Posted by worshipme View Post
Intergrated heat spreader. The piece of metal that sits on top of the core(s).

At the default maximum FSB speed of 1333MHz (333MHz), your motherboard does not have a divider to run the RAM at 1066. You will need to increase you FSB speed to allow the RAM to run at 1066. RAM speed = FSB x 2 x divider.
Dont know about the dividers, but I have the option to run DRAM at 1066 (its the top one) dont know id i need to rais fsb to run that or not tho..

Guys im going CRAZY HERE!!!

I just spend 2h reseating my HS/CPU and the difference in temps are almost identical!!!! and I used the cc method, the first time was the line method..

Core Temp
35c for cores 1-2
48c for cores 3-4

Real Temp 2.5
25c for cores 1-2
37c for cores 3-4

All my bolts are seated tight, not CRAZY tight, but unless u use STRONG force u cant turn them anymore.

How can I fix this ! ?

Thanks
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Old 05-04-2008, 05:09 PM   #7
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Default Re: Q9450 High Temps!

A lot of the 45nm Wolfdales have faulty heat sensors, so there's a good chance the Yorkfield's do too as they're just two dual core duck taped together. ATF's E3110 does and it drives him mad so he put his Q6600 back in. The temp difference between my cores is about 5c max so I think you have faulty sensors in two of the cores, but which ones lol??
Quote:
Dont know about the dividers, but I have the option to run DRAM at 1066 (its the top one) dont know id i need to rais fsb to run that or not tho..
If your BIOS does have a divider for 1066, then go ahead and select it, but have you checked your DRAM voltage and timings are running at spec first? But bear in mind that when you start overclocking, your RAM frequency will increase with the FSB so best change it back to 1:1 before you start OC'ing.
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Old 05-04-2008, 05:32 PM   #8
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Default Re: Q9450 High Temps!

http://www.arcticsilver.com/ins_rout...2intelas5.html
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Old 05-04-2008, 05:37 PM   #9
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Default Re: Q9450 High Temps!

He's already been through that. And after testing, I don't find it gives the best results either.
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Old 05-04-2008, 07:23 PM   #10
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Default Re: Q9450 High Temps!

Well I'm runing a stock Intel HS now and no luck Here are the temps;

RealTemp 2.5
Core 1-2 = 27c
Core 3-4 = 40c

CoreTemp 0.98.1
Core 1-2 = 37c
Core 3-4 = 49c

So I guess maybe it the IHS right? or the the heatsensor? maybe I should lap the IHS, but then if it doesnt work i cant exchange it....
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Old 05-04-2008, 08:05 PM   #11
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Default Re: Q9450 High Temps!

I would talk to intel first, then based on what they say RMA it. Don't lap it though cause that will void your warranty.
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Old 05-04-2008, 11:11 PM   #12
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Default Re: Q9450 High Temps!

Quote:
Originally Posted by hascet View Post
I would talk to intel first, then based on what they say RMA it. Don't lap it though cause that will void your warranty.
2 late now.

Just finished lapping the IHS and no results!!! OMG I'm scrued now!

Realtemp 2.5
Core 1-2 = 25c
Core 3-4 = 37c

CoreTemp 0.98.1
Core 1-2 = 34c
Core 2-3 = 47c

Anyone wants to buy it for $200 hehehehe

but anyways, its the sensor i guess right? My first build and I had to get a messed up CPU out of all things!!!

2 questions, What temp monitor I should trust more? Coretemp or RealTemp? And i asume that the sensor is broken but for what cores... ? what u think cores 1-2 are correct or cores 3-4? Dont know about my room temp, but its a normal temp not hot not cold.
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Old 05-04-2008, 11:16 PM   #13
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Default Re: Q9450 High Temps!

Quote:
Originally Posted by Zer0Cool View Post
Dont know about the dividers, but I have the option to run DRAM at 1066 (its the top one) dont know id i need to rais fsb to run that or not tho..
Pretty sure it's the same setting as the divider, the only difference is that your bios tells you to ram speed instead of the ratio. This way you don't have to calculate the ram speed by yourself.
So yeah, if you are not overclocking choose the correct ram speed. If you are then it's probably just best to leave the divider alone since the ram speed will increase when you raise the fsb.



and yes, it could be the sensor. As long as it works fine I woudn't worry about it too much.
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Old 05-05-2008, 12:47 AM   #14
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Default Re: Q9450 High Temps!

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Originally Posted by mammikoura View Post
Pretty sure it's the same setting as the divider, the only difference is that your bios tells you to ram speed instead of the ratio. This way you don't have to calculate the ram speed by yourself.
So yeah, if you are not overclocking choose the correct ram speed. If you are then it's probably just best to leave the divider alone since the ram speed will increase when you raise the fsb.



and yes, it could be the sensor. As long as it works fine I woudn't worry about it too much.
My ram V is 2.0v-2.1v (stock) its currently set to like 1.904 Should I just change it to stuck?
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Old 05-05-2008, 01:08 AM   #15
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Default Re: Q9450 High Temps!

I highly doubt your ram voltage is at 1.094 That would be only about 50% of the stock voltage. It's fine to run it at the stock voltage, it's high enough to keep it stable at stock speed and it's low enough so that it doesn't break the ram.

If you are running the ram as ddr2 800 then you can probably lower the voltage a bit if you want to. This won't really do too much, just causes a bit less strain on the ram, lowers temps and decreases power consumption a bit. Just don't go too low or it won't be stable.

And then if/when you overclock you might have to increase the ram voltage to something higher than the stock to keep it stable. But since the rams stock speed is 1066 it should work fine at that speed with stock voltage.

But like I said stock is good enough and it will work just fine. No need to change it if you don't want to. And like I always say, if it's working just fine then you don't need to worry about it.

Atm my own ram is running at 850mhz and I'm pretty sure it's still using 2.0v when the stock was 2.1v.
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Old 05-05-2008, 01:44 AM   #16
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Default Re: Q9450 High Temps!

Thanks mammikoura

The way u put this all done, was just pleasent to read. As u can see I didnt have a good day today. Its 1.904 not 1.094 its my mistake, post edited. Thanks
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