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OverClocking GTX 470 help

Post Date: 2010-10-22
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Topic: OverClocking GTX 470 help
    Posted: 22 Oct 2010 at 10:35pm
here it is stock. But the Memory Clock and Shader Clock seem low?!?!Confused Just got done play Crysis Warhead at full settings and ran smooth like butter  

Edited by police215 - 22 Oct 2010 at 10:48pm

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!ender_ View Drop Down
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Posts: 4219 		  Quote !ender_ Quote  Post ReplyReply bullet Posted: 23 Oct 2010 at 12:05am
version 2.0 is out, get that
that looks super wrong
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 23 Oct 2010 at 5:26am
Now it looks correct!!

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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 23 Oct 2010 at 5:27am
What is the first step in getting this card close to 480 specs?

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Posts: 4219 		  Quote !ender_ Quote  Post ReplyReply bullet Posted: 23 Oct 2010 at 9:57am
it does look right now, first step is to max out the voltage, then move your other settings up until furmark shows graphic errors or crashes or the temps get too high
(make sure you change your fan profile before overclocking)
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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 23 Oct 2010 at 7:38pm
Maxing out the voltage is the last thing you want to do...  Can easily burn a video card doing that.

I'd start by increasing the core clock 20MHz at a time and running FurMark or another benching app for ~15min.  Do that for each 20MHz until you bluescreen, freeze, or see artifacting, then increase the voltage by 30mv and try again. 

Keep in mind you will eventually reach a point where no amount of voltage will help the stability, and will have to lower the clock back to where it last was stable.


Edited by venom - 23 Oct 2010 at 7:41pm
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justin.kerr View Drop Down
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 12:43pm
exactly, overclock as far as you can without any voltages adjustment, some will overclock a long ways with little, to no voltage bump, also you should have more voltages to adjust also, do you have everything unlocked on MSI?
On the other hand MSI will only allow for small voltage gain, so even at max, it will be safe, you have to mod the BIOS like I did to get more voltage, and these cards love cold temps and high voltage.
I have never reached a point where more voltage wouldn't help, even running 1.5V to these cards they keep scaling, if you can keep the temps down.
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 12:55pm
Thanks Justin, I'll work on the overclocking today once the Cleveland Brown game is over.
How long should I run each increase with Kombuster? 10 minutes or longer? And how much of and increase should raise each time?

Edited by police215 - 24 Oct 2010 at 1:03pm

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Posts: 4219 		  Quote !ender_ Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 3:23pm
Originally posted by justin.kerr

On the other hand MSI will only allow for small voltage gain, so even at max, it will be safe,
my point exactly
 
if you are overclocking for power, you need to increase the voltage, and inside msis range is plenty fine
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 8:17pm

Myself, I run Kombuster, make sure it has post processing enables. for a short time 10 min, and run 3d mark vantage,, and keep going higher, till failure, then back it down around 20Mhz, once I have what I think is final settings I run Kombuster for an hour min, then and try a few games out to fine tune that last little bit.
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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 8:49pm
Originally posted by !ender_

Originally posted by justin.kerr

On the other hand MSI will only allow for small voltage gain, so even at max, it will be safe,
my point exactly
 
if you are overclocking for power, you need to increase the voltage, and inside msis range is plenty fine


Heh, I don't use MSI so I wasn't sure how far it allowed you to go.  Flashing the BIOS is the only way to go if you ask me.
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 24 Oct 2010 at 11:17pm
flashing the BIOS is the best, but you can't really mod the BIOS, flash it, test it, then make adjustments to the BIOS, re-flash it ect ect,  it would take for ever that way to find the max stable OC. Just use MSI to find the settings and then write your own BIOS, and flash it. but then some  drivers are stable with higher clocks, and some not, si then you have to re-write the BIOS again, and flash it.  lol MSI is a pretty great program for most users.
MSI afterburner will allow for crazy high voltage mods with BIOS mods and/or the unlocked version.Big%20Smile 
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 6:57pm
here is the first pass, core/Shader clock linked 20 mhz with Kombustor running 10 minutes. No errors or artifacting. Note: Did NOT adjust the Memory clock yet 
 


Edited by police215 - 25 Oct 2010 at 6:59pm

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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 7:14pm
Pass #2
 

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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 7:27pm
Pass #3
 

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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 7:29pm
Before I go any further, should i be raising the MEMORY CLOCK 20 mhz and Core Voltage everytime I i raise the Core/shader?  

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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 8:54pm

I would keep raising the core, find the max, back it back 20Mhz, then start on the Mem.

with some small voltage jumps you should be able to do 800Mhz on the Core no problem, just keep it cool. Big%20Smile
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 10:24pm
Why is the memory clock reading 1674MHz on afterburner, and the specs on the box and wedsites say 3348MHz

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justin.kerr View Drop Down
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 25 Oct 2010 at 11:54pm

multiply x2 Big%20Smile
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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 26 Oct 2010 at 2:44am
800MHz on the core?  Nice increase if most cards can handle that. 
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 26 Oct 2010 at 7:57am
800 on core for a super mild OC, 900 on core for a high overclcok on air, 1000Mhz on water 1200 Mhz for sub zero. Big%20Smile
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 26 Oct 2010 at 11:45am
the card started artifacting around the 775 to 780 MHz backed it down to 770MHz and was looking good.

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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 26 Oct 2010 at 11:03pm
with zero voltage bump?  did you mod the fan profile?
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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 27 Oct 2010 at 12:24am
Originally posted by justin.kerr

800 on core for a super mild OC, 900 on core for a high overclcok on air, 1000Mhz on water 1200 Mhz for sub zero. Big%20Smile


That is insane.  Maybe I can hook up that new cooling system to a 470 and see how high it can go.
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 27 Oct 2010 at 10:27pm
Sorry Justin
I'm going to start over. I received the second 470 today, but when I was installing it, I didn't have enough power connections!!!! Best buy or radio shack didn't have power cables for video cards!!! So I have to wait until tomorrow to go to Micro center store after my training. I hate waiting

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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 29 Oct 2010 at 1:01am
There should have been a single or dual molex to PCI-E converter in the box.

Edited by venom - 29 Oct 2010 at 1:01am
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 10:07am
got SLI running. not to start overclocking the cards with afterbuner, i have to do each card independently? When i run Kombuster only 1 GPU is running at 99%
 
Here is what I have: The only change here is I made a fan profile
 


Edited by police215 - 30 Oct 2010 at 10:07am

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Posts: 2247 		  Quote Dragoonseal Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 10:22am
To use SLI games or Kombustor have to be running in full screen, not windowed.
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 2:04pm
it will overlock both cards at once. make sure to use the multi GPU kombuster also
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 6:39pm
Got it on multi gpu. When running Kombuster, do I use any AA when running the stability test?

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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 7:50pm
aa not to important, post proc is very.
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 7:57pm
What is the post proc?

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http://www.digitalstormonline.com/forums/forum_posts.asp?TID=12322
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 30 Oct 2010 at 8:25pm
THANKS ENDER!!! Big%20Smile

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