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My new EVGA 750i rig freezes during games!!! i'm soo worried..plz HELP

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February 14, 2009 9:04:36 AM

Hi.. I made a new rig...
PC Power & Cooling 750W Silencer PSU,
Core2Quad Q9300 2.5 GHz,
EVGA 750i FTW motherboard,
EVGA Geforce 9800 GTX+,
Corsair XMS2 DDR2 800 2x2GB Dual Channel memory.
Using Vista 64-bit Ultimate with latest motherboard and graphics card drivers installed. (Even checked on XP 32-bit but problem persisted regardless of whether I used both my memory modules or one!)

The problem is that whenever I start playing games, like Crysis or Call of Duty 4, my system freezes (hangs) after like 15 to 20 minutes!!!!!! and I cant do anything.. it doesn't shut down.. just freezes... Otherwise, without running a game I can sit for hours and it works perfectly.... I cannot figure out what the problem is!!! all the voltages suppplied by the power supply are correct according to the BIOS. I cannot see nor feel any overheating even when I touch my mobo or other heatsinks. PLEase help.. suggest!!! i'm so worried, I spent a lot on this rig and i'm not that much of a rich person!!!

I used HWMonitor (latest version,, just downloaded a few days ago).. and idle temperatures of 3 cores are around 46, 47, 43 etc.. and one core is 36 (all temperatures in degrees celcius)
during load i.e. playing crysis etc at high settings.. MAX temperature reached was 61 by one core only.. other cores are around 58 ..and one is around 50.
i didn't set manual settings for RAM... its on auto in BIOS...
manufacturer says ram should work at 1.8 volts... i checked once and the ram was working at 1.9 volts in bios... i manually changed it to 1.8 (that was the min. allowed by the bios).. hoping that it'll solve the prob.. but no way.. the game freezed just like before!

i dont think its overheating... even the GPU is around 37 idle.. and at MAX load... doesn't cross the 71 degrees celcius point!.... stays mostly 70 degrees.

however.. there's one temperature by the name of SYSTIN temperature.. that idles around 86*C and max. during games around 91 and 92 degree celcius.. but i've checked on various forums etc.. and mostly ppl say that this temperature reading is a bug and should be ignored.

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A Storm's coming.
October 4, 2009 4:05:03 PM

ok guys.. after over 6 months.... i've finally seemed to have found the solution after tons of searching online...

ITS SOLVED:

I raised the FSB voltage from 1.10 to 1.20 V
Raised the RAM voltage from 1.90 to 2.0 V
Changed memory timing from 5-5-5-18 and 2T ... to... 6-6-6-18 and 2T..

not freezing any more... I believe it was the FSB not properly working according to the requirement of this processor and other hardware attached.

I hope this helps anyone else who is experiencing random and occasional lockups/freezes/hangs with EVGA 750i FTW.

Anonymous
a b V Motherboard
November 26, 2009 4:14:34 AM

Philanthropic, thanks for posting your solution.

I have an almost identical rig, and this problem started happening to me more and more frequently.

I implemented your solution today, and everything seems to be working great. I played for about 4 hours with no problems, which is much longer than the 15-20 it would go before locking up.

:D  THANKS!
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November 26, 2009 2:13:31 PM

Quote:
Philanthropic, thanks for posting your solution.

I have an almost identical rig, and this problem started happening to me more and more frequently.

I implemented your solution today, and everything seems to be working great. I played for about 4 hours with no problems, which is much longer than the 15-20 it would go before locking up.

:D  THANKS!


I'm glad my posted solution helped you out istaylorr

I have just one more thing to add:

After doing a little bit more research and experimentation I found out the following:

You only need to change the FSB voltage from 1.10 V to 1.20 V..... there is no need to change the RAM voltage or timing.

Increasing the timing from 5-5-5-18 to 6-6-6-18 will cause a minor reduction in performance, and we don't want that. So just change the FSB voltage from 1.10 to 1.20 and you can safely leave everything else to default.

Finally, thanks for posting your feedback, it further strengthens my belief that I've found the proper solution to this problem. Hopefully it will help many others as well. :) .
December 6, 2009 2:05:05 AM

Hey thanks You helped a lot
I had a Q9300 and a 750i ftw and Far Cry 2 kept on freezing while on idle i can go on for 24 hours straight. Put in 1.2 for CPU FSB and it seems to work just fine
Thanks a lot
:hello:  :) 
!