src2206

Hello

I have read the sticky thread regarding OC. What I would like to know whether it is possible to run a OC machine for long time (about 8 hrs at least) using stock cooling? I do a lot of video encoding and other related works, for that I need to keep the PC running for a long time, and during this period some other tasks also run (like download manager downloading large files, real time AV scanner etc).

I am running Intel C2D E4300 processor on ASUS P5B- VM board. The SMPS is 450W JBM (Indian). The RAM is 3 GB DDR2 667 MHz(1GBx 3), one module is from Transcend and other two from Kingston. There is no Graphics card at present, though I plan to install 9600GT or 8600GT in near future. There are two HDD at present, 160GB SATA II, and 80GB Barracuda IDE, both from Sygate. I plan to include one more HDD (either 250GB or 320GB SATA II) in future.

Let me know whether OC is an option in my case. If yes then I shall post all the necessary info as mentioned in the Sticky thread.

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1 g0t 0wn3d

What is your at load temps?

Use orthos for loading the cpu and coretemp to read the temps

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Underclocker

As long as your overclocked CPU doesn't get above something like 62C under load it should be fine even if left running 24/7. The C2D E4XXX CPUs are known for their high overclocking potential so good luck with it.

src2206

Sorry, but I have no idea what exactly you want me to do....!
Could you please be little more explicit, considering that I never really tried this branch of Computer....

Thanks, but what I could find out is that there may be some issues with my mobo as its not that OC friendly(according to popular perception). Furthermore, can I leave this PC unattended after OC, as thats what I need to do? And if I do so how can I ensure that the temp will not go beyond the 62 C ceiling you have pointed?

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Underclocker

He means download Stress Prime ORTHOS and run it for a while to heat up your CPU, then use CoreTemp to check its peak temperatures.

Stress Prime ORTHOS:
http://sp2004.fre3.com/beta/beta2.htm

CoreTemp:
http://www.alcpu.com/CoreTemp/

Yes, you can leave your overclocked PC unattended. There's a limit to how high the CPU temperature can get up to, so if the peak temperature of your CPU when it's under load is below 62C (eg. running ORTHOS for half an hour) there won't be any problems with your PC.

src2206

Thanks very much Underclocker

1. While running Stress Prime ORTHOS, do I need to stop all the running programs like AV Scanner etc?

2. After using Stress Prime ORTHOS for 30 mins (or longer required?), I need to shut the program down and then measure the temperature with CoreTemp, or CoreTemp should run simultaneously with Stress Prime ORTHOS?

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1 g0t 0wn3d

You need to run it while doing orthos and no yu dont have to

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src2206

Hello 1 g0t 0wn3d and Underclocker

Here is the information that you have asked for (most probably, to the best of my understanding)

I have run Orthos for about 37 minutes and it reported that 8k test passed. I am attaching the log of both Orthos and CoreTemp. During the running CoreTemp reported the highest temperature 78C. Then I closed Orthos and kept the PC idle without running anything for about 20 mins, during this period only the background security applications ran (AV Real Time, Comodo BOClean, Winpatrol and Comodo Firewall Pro). The least temp reported is about 51C for both the cores. Then I closed CoreTemp too.

So I think:

1. Load Temp: 78C
2. Idle Temp: 51C

I am also enclosing two screen shots for your convenience





Please let me know what I need to do next....

Attached Files

	Orthos Log.txt (2.8 KB, 0 views)
	CoreTemp Log.txt (162.1 KB, 0 views)

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1 g0t 0wn3d

0.0 you need to reinstall the heatsink it should not be that hot

http://www.arcticsilver.com/arctic_s...structions.htm

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src2206

Sorry, but I am using Intel's Stock cooling, not that of Arctic Silver...

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mattlock

That temp is very high. Are you running at stock speed now? If so you need to address your temp issue before considering OCing.

What kind of case do you have?
How many case fans are installed?
Where are the fans located, and are they exhaust or intake?
What is your temp while idle (not running orthos)?

EDIT:
I see Own3d is now online. I'll leave you in his capable hands.

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Matt

src2206

I am running at stock speed at present.

Micro ATX

There are three fans, one with the Processor heat sink, one fan in the PSU box and the other just below the PSU.

Location mentioned above and I am not sure whether the extra one and the PSU's are exhaust or Intake.

I left the PC idle for about 15 mins after running orhtos, and the temp shown was about 51C.

Thanks for replying Matts...

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mattlock

Micro ATX cases aren't the best for air flow.

The PSU and CPU fans don't count when considering case air flow. What we are looking for when we ask about case fans or case air flow is the amount of cool air being drawn into the case as well the hot air being exhausted.

You should start with Own3d's suggestion and pickup some Arctic Silver amd looking into a better CPU heatsink/fan. If you can swing it, I would recommend a bigger case that will allow for the installation of atleast one 120mm fan in the front (intake) and rear (exhaust). If you can't do a bigger case, then see if you can add more case fans to your existing case.

I wouldn't consider OCing until your temps are under control.

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Matt

src2206

I understand your point Matt...

In the meantime I have reversed the rear fan from Exhaust (I tested that after my last post) to Intake as I thought that should improve the airflow. I have checked my cabinet, but I do not think there is any more option to add 1 more fan, otherwise i would have loved too. :(

Regarding the cabinet I think I was wrong, it is compatible with both ATX and microATX. Here is th elink: http://www.jbmpc.com/index.php?page=...emart&Itemid=1

and this is the SMPS: http://www.jbmpc.com/index.php?page=...emart&Itemid=1

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