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Dammit, GTX 260 acting weird...

Forum Graphic & Displays : Graphics Cards - Dammit, GTX 260 acting weird...

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ChronoBodi   06-09-2009 at 01:27:31 AM

I'm playing it just fine... and i do a game of UT3...

3 minutes in, the screen goes weird, like some sore of distorted thing, and an "UT3 has stopped working" pops up...

My PSU is more then enough for this GPU (550w OCZ Modstreamz)

so, now what? does processor speed count? it's Phenom II x3 720 on 3.4 Ghz...


sigh... i hate this crap, have any answers? or do i have to get a replacement? It's a EVGA, but i do not know about the warranty. oh i see, my 90 days is up... DAMMIT.

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AKM880   06-09-2009 at 01:43:27 AM
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Temperatures? Not overheating right?

Reply to AKM880
ChronoBodi   06-09-2009 at 01:45:56 AM
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no, not at all, which is puzzling... tried burnout... it bluescreens... i went back to BIOS and set the processor back to stock voltages and 3.2 Ghz speed by turning back on "auto" instead of "manual"...


Message edited by ChronoBodi on 06-09-2009 at 01:47:43 AM
Reply to ChronoBodi
jennyh   06-09-2009 at 01:54:22 AM
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First thing to do is put everything back at stock. If it's fine then, you know it's the cpu overclock that is causing an issue, whether heat or voltage related.

Reply to jennyh
rewindlabs   06-09-2009 at 01:56:27 AM
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Can you explain a little more about how you know its not overheating....iv heard stuff like this before...

------------------------------ http://i151.photobucket.com/albums/s145/RSSRM/ay14s5-1.jpg
 Reply to rewindlabs
ChronoBodi   06-09-2009 at 02:27:06 AM
- 0 +

It's not overheating at all, it's probably the change in CPU voltages that probably is causing this... and the idle temps if 42C and load temp is 60C... normal temps.... i guess no more 3.4 Ghz overclocks... i haven't tested it yet.

Reply to ChronoBodi
jennyh   06-09-2009 at 02:36:46 AM
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Download prime95, run a blend test. If it crashes immediately or really fast you need to up your voltages on the OC or lower your OC.

Reply to jennyh
ChronoBodi   06-09-2009 at 02:41:05 AM
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yea... as i said, i'm testing some games on stock voltages... i'll let you know.

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ChronoBodi   06-09-2009 at 02:51:07 AM
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ok, killing floor works fine... trying out UT3...

Reply to ChronoBodi
ChronoBodi   06-09-2009 at 03:00:57 AM
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Ok, i think the problem has gone away! before, it was 3 minutes until UT3 or Killing floor screws up, but when i set the CPU voltages back to stock voltages, it's fine now... so what does this mean? If i want 3.4Ghz, do i have to give it a bigger boost than i thought required?

Reply to ChronoBodi
jennyh   06-09-2009 at 04:25:09 AM
- 0 +

It means you need to overclock your cpu properly before you do anything else.

 

Spend an hour or so overclocking it, making sure it's 100% stable before you increase it further. When it fails, increase the voltage in small steps and keep going until you stop feeling comfortable with voltage increases or the heat gets too high.

 

For a 720 BE you won't want it going much higher than 1.55v and 63C. Get it stable under Prime95 and it will be stable under gaming.

 

At stock you should reach 3.2-3.3ghz without touching the voltages. That's not a guarantee, it's a guideline because all components are different. It might take 0.1v to reach 3.5, then 0.2v to reach 3.7. You have to decide if the extra voltage is worth the increase, especially at the top end. As an example, my 940 BE will run 100% stable at 3.9ghz and 1.6v, but it's also 100% stable at 3.8ghz and 1.525v. That last 100mhz isn't worth the extra .075v imo (or the extra heat), so I'm happy at 3.8ghz. You should be happy around 3.5-3.6 on that chip.


Message edited by jennyh on 06-09-2009 at 04:29:34 AM
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ChronoBodi   06-09-2009 at 08:06:36 AM
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so it should take about an 0.1 volt increase for 3.5, and the volt required for the next 200 megahertz doubles?

Message quoted 1 times
Reply to ChronoBodi
jennyh   06-09-2009 at 01:28:24 PM
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ChronoBodi wrote :

so it should take about an 0.1 volt increase for 3.5, and the volt required for the next 200 megahertz doubles?



Yep pretty much although the numbers can differ depending on other factors. Just try it and see.

Reply to jennyh
ChronoBodi   08-25-2009 at 03:25:58 PM
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seems there's still something else, apparently it's not just a voltage increase to keep it stable. What else? RAM timings, what is it?

Message quoted 1 times
Reply to ChronoBodi
Delluser1   08-25-2009 at 03:44:10 PM
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ChronoBodi wrote :

seems there's still something else, apparently it's not just a voltage increase to keep it stable. What else? RAM timings, what is it?


I'd be more inclined to believe it's the psu.
The Modstream came in 2 flavors 420 watt ( 550 peak ) and 520 watt ( 620 peak ), with 26 and 28 amps on the 12v rails.

Message quoted 1 times
------------------------------ q9650 @ 4.050 | Asus Rampage Formula | 2x2 Corsair Dominators | WD Black 640 x2
EVGA GTX260 Core216 @ 686/1479/1103 | Antec TPN 750

 

Reply to Delluser1

ChronoBodi   08-25-2009 at 10:43:01 PM
- 0 +

Delluser1 wrote :

I'd be more inclined to believe it's the psu.
The Modstream came in 2 flavors 420 watt ( 550 peak ) and 520 watt ( 620 peak ), with 26 and 28 amps on the 12v rails.



I have the OCZ Fatal1ty 550 watt PSU, should that be enough anyway?

Message quoted 1 times
Reply to ChronoBodi
Delluser1   08-26-2009 at 01:18:14 AM
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ChronoBodi wrote :

I have the OCZ Fatal1ty 550 watt PSU, should that be enough anyway?

That's not a Modstream :non: and should be plenty.

------------------------------ q9650 @ 4.050 | Asus Rampage Formula | 2x2 Corsair Dominators | WD Black 640 x2
EVGA GTX260 Core216 @ 686/1479/1103 | Antec TPN 750

 

Reply to Delluser1

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