Heat issues

[leejayd]

I pushed my Q6600GO to 3.6 using the settings supershanks kindly provided in the IX38Quad thread. My system was stable until after 30 mins the temperature of the cores hit 100 and the PC beeped like mad at me before re-booting.

I'm convinced my CPU is capable of 3.6, not withstanding my heat issues.

I'm using bit of a cramped cased (CM Cavalier). I'm using the Arctic Cooler. With a couple of case fans at the rear and one instake fan at the front of the HD bays. I also have 2 HD, 1 DVD, 8800GT, 2 x 1GB Ballistix-8500, IX38-QuadGT.

I tried dropping the speed to 3.4 and lowering the volts but I still have heat issues. I suppose the ultimate answer is to get a new case with better cooling. I can't afford this at the moment hence is there anything else I can do to get the volts down for 3.4.

Here are my bios settings :

-------------------------------------------------------

CPU Volts : 1.475v
DDR : 2.174v
CPU VTT : 1.36
MCH : 1.5
ICH 1.12
ICHIO 1.5
DDR Ref Volts : Default
GTLREF 0&2 : 68%
GTLREF 1&3 : 68%

-------------------------------------------------------

DRAM

CAS : 5
RAS to CAS : 5
Pre-charge : 10
Refresh Cycle Time : 30
Write Recovery Time : 4
Write Read Delay : 4
Act to Act : 4
Read to pre-charge : 12
Command Rate : 2T
PCIe Port : v1.0a
Peg Forcex1 : Disabled
Init Display First : PCIEx


-------------------------------------------------------

CPU Features

Thermal : Enabled
Limit CPUID : Disabled
C1E : Disabled
Execute Disabled Bit : Disabled
Virtualisation : Disabled
EIST Function : Disabled

-------------------------------------------------------

If I lower the CPU volts from 1.475 at 378x9 the PC crashes during prime (before the temp hits 100).

When the system is not being stressed the temps at 3.4ghz / 1.475v are 58C-54C depending on the core. This seems high to me, what do you think?

Thanks in advance.

[affiliate13]

Since its the AC F7Pro and they use the push pins could you try to reseat the HSF incase it is not making good contact with heat spreader?
Sometime this helps.

[Clunk]

Firstly that voltage is way too high for that overclock unless you have a really poor CPU.

Your temps are indeed way too high, and as affiliate13 says, it's probably your cooler not fitted properly.

It can also be a bad application of thermal paste, and I've seen a few people forget to remove the piece of clear plastic that protects the base of the heatsink during transit.

Your IHS could also be concave, in which case, all you can do is either lap it, or sell it and get another

[leejayd]

I checked the pins on the AF and they seemed fine.

I dropped the speed to 356*9 with the following volts :

CPU : 1.3875
DDR2 : 2.2
VTT : 1.2
MCH 1.29
ICH 1.08
ICHIO 1.5
GTLREF 0/2 : 67%
GTLREF 1/3 : 67%

It ran prime 95 for 12 hours no problem with avg temp 50C. With the side of my case off! With the case closed the temp went up to 58C after 10 mins. Hence as you've been in my other post I'ved after a new case.

Also, when I installed the AF I did removed the plastic cover and I left the thermal pad on. When I re-fit the case I will clean and apply arctic silver 5 to see if this makes an impact on temp.

I bumped the speed to 370*9 at the same volts and core 4 failed prime after 25 minutes, although the other cores continued with the test. Any ideas what I should tweak to overcome this problem. I'm guessing CPU volts but I don't want to blindly pump up the volts on the CPU unless there is some other option.

Ta

[Clunk]

As I remember, the quadGT liked the 8x multi.

So change the multi to 8x and try 420FSB

You may have to up the NB voltage a notch or two.

Keep the voltage the same for now, and if it isn't stable, up the Vcore one notch at a time until it is.