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Even with clocks that worked previously?
Yes, I spent a couple of hours leaving things as they were and just messed with the VDDC to see how that was effecting the setup.
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Even with clocks that worked previously?
Yes, I spent a couple of hours leaving things as they were and just messed with the VDDC to see how that was effecting the setup.
Too true mate, I admit openly that I'm a noob to this stuff. I've only just got back into pc gaming so I need all the help and advice I can get.
Well I got the link to the 3D Mark 11 Extreme score here : X9414
My rig is the Infinity Tesseract, a i7 4770k OC to 4.7ghz. Using 8GB Team Vulcan 2400mhz. 1GB Samsung EVO SSD. Windows 8.1. Anything else needed guys ?
That was my best score so far and with some slight glitching I dropped the settings down for each option, GPU and Memory and I'm getting around X9200 with these settings here :
GPU Clock 1100
Memory Clock 5300
VDDC Offset 31
Power Limit 5
I played AC IV Black Flag and DTM experience for about an hour each with those settings and everything set to the best image quality. I got no 'crashing or glitching' issues with this setup and I plan to use this from now on unless you guys would advise against it ?
Try stock RAM, whatever your highest stable coreclock is and increase your voltage to whatever you're comfortable with. +150mV shouldnt be an issue.
Tell me if your screen is still flickering or whatever.
Here is a 3dmark11 X preset run I have just done using the same GPU clocks. When you compare it to your run you need to compare the graphics score not the X score.
http://www.3dmark.com/3dm11/8164752
There is not a lot of difference in the graphics scores so your cards are running ok.
Your 3dmark11 link mentions the integrated graphics on your 4770k, if you are using this as well it would be a good idea to turn it off in the bios as it can cause problems with graphics cards.
For the other stuff the other posters know more than me but they are very helpful.
All sorts of issues I've had today guys with trying to get into the bios. It turned out that the ONLY way in was to disable the R9's by taking them out and to plug my HDMI into the MB to allow it to show.
The MB code was showing that the PC was sitting in the bios but I had no other way of viewing it. Took me hours to figure it out.
Surely I should be able to access my bios through the R9's ?
Correct.
It turns out that my Panasonic 50inch Plasma was the cause of the non Bios issue through the R9's.
I suggested this last week to the OC tech who dismissed the notion because the TV can display the bios when the R9's are disabled and the HDMI is plugged into the Mobo.
The R9's must give out a different signal than the Gigabyte board because this morning, (after another call to OC who suggested I try a different TV - Thanks to the two fellas involved) I tested my daughters Samsung TV and that was able to display the Bios through the cards.
Anyone else who gets this issue, and I have come across many of them over the last few days, then do check your monitor/TV before trying anything else.
I'll start benching the cards again tomorrow.
Benching? Pfffft pleeeeaaaseeeeee
Gj man, now try and find the difference between these monitors/TVs that cause the issue.
I have a 290x. It states it needs a 16x pice slot.
My mobo is a Maximus hero, when it uses xfire it says the lanes are two 8x.
Will a 2nd 290x work in cross fire and just be slower lane or will it just not work at all?
Thx
is it normal that in GPU-z my core clock varies from 1100mhz to 1200 mhz and anyhere in between whilst gaming ? i thought it should would just be locked to whatever i set the oc to IE 1200 mhz ?
Cheers for the advice, gpu noob
AMD claims there are no bottlenecks running 8x on crossfired 290xs, you should be perfectly fine.
XDMA is designed for optimal performance with systems running PCI Express 2.0 x16 (16GB/s), PCI Express 3.0 x8 (16GB/s), or PCI Express 3.0 x16 (32GB/s).
Roll back to 13.12 drivers and use Trixx for overclocking.