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Random Crashing need trouble shooting help

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September 10, 2008 11:28:05 PM

Ok so I just got my system put together monday and have been have issues ever since....

Hardware Setup
Core 2 Duo E8400
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
MSI Platinum p45 Chipset
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
MSI Geforce 8800 GT
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Seagate 500 Gig SATA
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Samsung DVD SATA
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
4 gig's oc G-Skill DDR2 1066
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I have it dual booting vista 64bit and xp 32 bit. Both OS's are installed from OEM copies I bought with the hardware. They both are as up to date as possible. My issue is that it will freeze at random it seems. It could be a thermal issue but im so far out of date on how to test it I would not know where to start. I have updated the BIOS to the latest from MSI, and have the newest drivers for both OS's. I do not have any overclocking done to part of the computer. From the MSI utility it is idling about 36c for the CPU and 40c for the GPU.

What I can not understand is it seems to freeze when im doing something simple like web browsing. I can play crysis on it, just got finished playing it, for 3 hours with all the settings maxed out and it doesn't seem to care.


Also it seems to make a scratching sound though the speakers, but it could be that the speakers are fairly old.


Any help would be great! Thanks! :( 
September 10, 2008 11:55:39 PM

RAM requires 2.0-2.1v, BIOS default is 1.8v. In BIOS increase RAM voltage to 2.1v and also NB voltage to 1.38-1.4v.
September 11, 2008 1:07:47 AM

Ok so I increased the ram to 2.1 well as close as the increments came. Its about 2.06 I think. I can not for the life of me find where the NB voltage setting is in the bios. I would have to guess in the Cell menu but not sure what its listed as or if I can from the bios....


The ram voltage seems to helped out so far. Its running a bit smoother and a little faster as well.

I think after the voltage issue the next will be a cooing upgrade.

Im using the MSI tool for monitoring temp. volt, FSB ect. and I notice it says that my CPU FBS keeps changing from 333 up to 335 and back. Im not sure if this is normal if not would it be mobo or PSU?

Anything else that might cause it to freeze?? Im sure there are many reasons that it might, any pointers?

:edit: forgot to say the PSU is 600 watt OCZ
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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September 11, 2008 2:18:11 AM

The MB manual should list the whereabouts of the NB voltage adjustment. You can set the timings to Mfg. specs as well. The BIOS default should be close, but you want the CAS latency at 5 for proper operation and system stability. The speed or data transfer rate of the RAM is also adjustable.
September 11, 2008 3:20:53 AM

I'm not sure what CAS latency is or how to even check it. I checked the NB Voltage and its set at the default of 1.21 volt. I tried to bring it up a bit but it rendered the system unstable. It would crash about every 3 to 5 min. So back to default it went.

So how do I check CAS latency and change if needed?
September 11, 2008 3:25:30 AM

NB is normally 1.35 or so, you may not be adjusting the NB. The timings in BIOS should be set to RAM's mfg. specs of 5-5-5-15. The timings are adjustable, but if your system is crashing, I would try what the Mfg. advertises.:

Model
Brand G.SKILL
Model F2-8500CL5D-4GBPK
Type 240-Pin DDR2 SDRAM
Tech Spec
Capacity 4GB (2 x 2GB)
Speed DDR2 1066 (PC2 8500)
Cas Latency 5
Timing 5-5-5-15
Voltage 2.0V - 2.1V



September 12, 2008 3:48:27 AM

I left the new computer running while I was at work doing some heat and stability tests. I came home to good news so far, its still running and seems to max out at about 50c when full load for the day. Not the best temp. but for just stock fans, and 2 case 120mm fans not bad.


I will be back if something seems to come up again. Thank you for the fast responses and great info!
September 12, 2008 4:06:57 AM

Great! PC8500 requires a little added volatge for stability.
September 14, 2008 2:28:17 AM

SO I was hoping all issues had gone away but no... I got on to play some Portal and it locked up about 20 min into playing. With the video card and CPU it should be no issue but it did....

I had to hold the power switch to get it to shut down. When it came back up it said bad CMOS Checksum.

Do I have an issue with the mobo maybe?


I then rebooted and went over to MSI's site to go BIOS checking. I found I was one ver. out so popped in the new. It seems to have fixed a minor issue with the mobo not liking the naming of the RAM GSkill had done and seems it was not reporting temps right. Now it tells me it jumped 10c up in idle temp.

From what I can tell 40c is not OVER the top for heat on a core 2 duo but where is the temp that will cause issues? I have a feeling part of my issues is heat on the CPU now. Im going to apply some Artic silver to it tomorrow.

But is there anything else that might cause these issues??
September 14, 2008 4:50:16 AM

What power supply do you have? Download GPUZ and check your Video card temp, the video RAM could be overheating causing the sytem to freeze. Weak or overloaded PSU? Checksum error is usually a battery issue.
September 15, 2008 12:59:35 AM

Ok I will do the Video card check. How do you read GPUZ info? I get that GPU temp is GPU but what is PCB temp? Also what temps am I wanting to go under?

The PSU is OCZ StealthXStream OCZ600SXS 600w
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

From what I could gather it should not have an issue running the parts I have in the computer.


Any recommendations on GPU and CPU cooling? I want to stick with fan based coolers.

!