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  #31 (permalink)  
Old December 9, 2007, 08:18 PM
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Originally Posted by 3.0charlie View Post
1.5V on air. Be careful about CPU overheat. Install core temp (Core Temp) and add it to the OCCT settings. Setup the torture test for 2 hours. If stable, check out those graph temps generated by OCCT using core temp. Don't let it go higher than 60C.

John
okay, thanks. i'll test OCCT again with core temp.

-v
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  #32 (permalink)  
Old December 9, 2007, 08:21 PM
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Good, come back with the result. And don't forget to keep an eye on those temps.
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  #33 (permalink)  
Old December 10, 2007, 06:18 AM
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Victor, just get those cables under control and you'll have one crazy good looking rig

I'm a sucker for those new Stackers, man they look awesome... and your crossfire setup, puts it right over the top !!

Great job
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  #34 (permalink)  
Old December 11, 2007, 08:51 AM
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Originally Posted by 3.0charlie View Post
Good, come back with the result. And don't forget to keep an eye on those temps.
not so good news.

i ran the OCCT test with core temp with the temperature threshold set to 60 and it failed shortly after 1 minute of testing.

then i ran it again with threshold set to 65 and again it failed several minutes into the testing.

then i ran it again with threshold set to 70 and i passed the test. in 2 hrs of OCCT the max temperature was 66 degrees celcius.

and actually, all this testing was done with a lower cpu voltage. before testing, i went into the bios and set the cpu voltage down to 1.4V

is 66 okay to have with 100% load?

-v
__________________
Asus Maximus Formula (Bios 903)
Q6600 G0 @ 3.6GHz 1.4V (400FSB x 9)
2GB Corsair Dominator PC8500 @ 1066MHz (5-5-5-15)
Sapphire HD3870 x 2 CF @ 860/1126
WD 160GB Raptor x 2 (Raid 0)
Silverstone ST85F 850W PSU
LG GSA-H62L DVD Writer
CoolerMaster Stacker 832
APC 1500VA Smart-UPS
Windows XP Pro
Cooling: Thermalright Ultra 120 Extreme / Scythe SFF21F / 5 x Antec TriCool 120mm / stock cooling for 3870 cards / Home Depot cable ties
3DMark05 score: 24432
3DMark06 score: 19517
2hr OCCT max temp: 60C
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  #35 (permalink)  
Old December 11, 2007, 09:06 AM
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Quote:
Originally Posted by Synth View Post
Victor, just get those cables under control and you'll have one crazy good looking rig

I'm a sucker for those new Stackers, man they look awesome... and your crossfire setup, puts it right over the top !!

Great job
thx Synth. you make a really good point. with my computer setup and running, the cables inside the case is actually worse than the picture that i posted because the side fans forced me to add another cable to the PSU to power them.

i'm going to look for some cable ties/twisties and some duct tape to bind them where necessary and to latch them down so they don't block the airflow. the cables are thick so i'm not sure how much i can manipulate them. also the cable length might prove to be too short to run them along the walls to their destination. oh well, let me see what i can do.

but one other point is that my room is not the most well ventilated room. and actually it can get pretty stuffy in my room because i have a tv, receiver (this gets really hot), and speakers also in the room. my guess is that the average ambient temperature in my room can be anywhere from 21 - 26. this is the air temperature that my computer gets to 'cool' with... it's not ideal, but other than opening the window to let the winter air in there's not much else i can do to lower my room's ambient temperature.

anyhow, i'll start tackling the cable issue first... results to follow. stay tuned!

reading Cable Management Tips now. :)

-v
__________________
Asus Maximus Formula (Bios 903)
Q6600 G0 @ 3.6GHz 1.4V (400FSB x 9)
2GB Corsair Dominator PC8500 @ 1066MHz (5-5-5-15)
Sapphire HD3870 x 2 CF @ 860/1126
WD 160GB Raptor x 2 (Raid 0)
Silverstone ST85F 850W PSU
LG GSA-H62L DVD Writer
CoolerMaster Stacker 832
APC 1500VA Smart-UPS
Windows XP Pro
Cooling: Thermalright Ultra 120 Extreme / Scythe SFF21F / 5 x Antec TriCool 120mm / stock cooling for 3870 cards / Home Depot cable ties
3DMark05 score: 24432
3DMark06 score: 19517
2hr OCCT max temp: 60C
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  #36 (permalink)  
Old December 11, 2007, 10:26 AM
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Quote:
Originally Posted by Victor5 View Post
not so good news.

i ran the OCCT test with core temp with the temperature threshold set to 60 and it failed shortly after 1 minute of testing.

then i ran it again with threshold set to 65 and again it failed several minutes into the testing.

then i ran it again with threshold set to 70 and i passed the test. in 2 hrs of OCCT the max temperature was 66 degrees celcius.

and actually, all this testing was done with a lower cpu voltage. before testing, i went into the bios and set the cpu voltage down to 1.4V

is 66 okay to have with 100% load?

-v
Looking good. OCCT stresses at 100% load; still 66C is borderline. But this is a Quad running @ 3.6GHz, with only 1.4V... If you can manage to do some cable management, I would do the Stress test again and see the difference in CPU temps. I'm pretty sure they will drop a few *C.

John
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  #37 (permalink)  
Old December 12, 2007, 02:58 PM
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Smile Success!!

wow, i really didn't expect the cables to make such a big difference but it did. i went to the local Home Depot and picked up a bag of 100 small cable ties... for $2.68 this is arguably the single best upgrade for my system, as you will see.

this was before cleaning my cables:




here is what it looks like now:




it's a little hard to see, but i was able to push the cables to the back of the case (as much as i could anyhow and without resorting to electrical duct tape). i used the ties wherever i thought necessary and it worked wonders. i was able to actually get rid of 3 cables from the psu. this is a big deal because these cables were thick and long and just clogged up my system (my psu uses modular cables so you can actually add/remove cables as necessary). so now the space around the cpu has cleared up tremendously.

as i said before, i was hitting 66 degrees celcius before and during one of the OCCT tests my computer just shutdown/reboot (during second hour of testing).

here are the results of OCCT after cleaning up the cables:









as you can see, the maximum cpu temperature i get now is 60 degrees celcius. cleaning my cables dropped my load temperature by 6 degrees!! this blew me away since i didn't expect this big of an improvement.

thanks everyone and this forum for your help and tips, you guys are awesome, now i have a nice and stable oc system @ 3.6GHz on air cooling.

let the games begin!!

cheers,
-v
__________________
Asus Maximus Formula (Bios 903)
Q6600 G0 @ 3.6GHz 1.4V (400FSB x 9)
2GB Corsair Dominator PC8500 @ 1066MHz (5-5-5-15)
Sapphire HD3870 x 2 CF @ 860/1126
WD 160GB Raptor x 2 (Raid 0)
Silverstone ST85F 850W PSU
LG GSA-H62L DVD Writer
CoolerMaster Stacker 832
APC 1500VA Smart-UPS
Windows XP Pro
Cooling: Thermalright Ultra 120 Extreme / Scythe SFF21F / 5 x Antec TriCool 120mm / stock cooling for 3870 cards / Home Depot cable ties
3DMark05 score: 24432
3DMark06 score: 19517
2hr OCCT max temp: 60C
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  #38 (permalink)  
Old December 12, 2007, 03:02 PM
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w00000t Congrats man! See? Your hard work paid off! Enjoy a well deserved gaming session!!

Ps. Next week, come by my house and you can do my cabling too! LOL
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  #39 (permalink)  
Old December 12, 2007, 03:18 PM
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Originally Posted by Prof. Dr. Silver View Post
w00000t Congrats man! See? Your hard work paid off! Enjoy a well deserved gaming session!!

Ps. Next week, come by my house and you can do my cabling too! LOL
haha, yea i know what you mean, cable management is the ugly part of building a system. i didn't even expect this to be a problem, i just worried about which computer components to buy. but now i know it's a big deal, for air cooling systems anyway.

i was thinking, these computer case manufacturers should build cases with cable management in mind. just like a house, the cases should have built-in internal cable ducts that allow ppl to insert cables from the psu area to areas around the motherboard. i mean, this shouldn't be hard to do, but why haven't they done this yet? (at least i didn't come across any case that had this in mind)

another suggestion would be better cables... less rigid cables, more flexible, and can shrink and lengthen as necessary.... it would make cable management a joy instead of frustration.

-v
__________________
Asus Maximus Formula (Bios 903)
Q6600 G0 @ 3.6GHz 1.4V (400FSB x 9)
2GB Corsair Dominator PC8500 @ 1066MHz (5-5-5-15)
Sapphire HD3870 x 2 CF @ 860/1126
WD 160GB Raptor x 2 (Raid 0)
Silverstone ST85F 850W PSU
LG GSA-H62L DVD Writer
CoolerMaster Stacker 832
APC 1500VA Smart-UPS
Windows XP Pro
Cooling: Thermalright Ultra 120 Extreme / Scythe SFF21F / 5 x Antec TriCool 120mm / stock cooling for 3870 cards / Home Depot cable ties
3DMark05 score: 24432
3DMark06 score: 19517
2hr OCCT max temp: 60C
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  #40 (permalink)  
Old December 12, 2007, 07:18 PM
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3.0 "I kill SR2's" Charlie
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Quote:
Originally Posted by Victor5 View Post
but now i know it's a big deal, for air cooling systems anyway.
Actually, it's a bigger deal for water-cooled systems, since there are even less fans to cool the motherboard components.

You did a great job in cable management and you have the proof too! 6*C, that's amazing. You went from a hot, too hot overclock to one that can run 24/7.

As for your cable management cases, I like your idea. Maybe one day a case manufacturer will actually listen to us builders and create a case that will suit our needs.

John
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