Try increasing the memory clocks on that card, that might take care of the screen flicker.
I've encountered such behavior once when I downclocked the memory in the BIOS and ran a Windows7-based test miner.
When I loaded the default vBIOS settings the flickering stopped.
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Sure, bump it up a couple notches. You can go up to 80C as long as you can stand the fan noise. Running the fans flat out will reduce their life, but the chip will be fine at 80C. 90C is generally the hard max, but you need to leave enough margin so you don't overheat on hot days.
It sounds like you're pushing that GPU a little bit beyond its limits.
If you have more headroom on temperature, increase the core voltage. You can also decrease the memory clock to buy yourself some extra thermal margin if you need it.
If you're maxed out on temperature and tuning memory doesn't help enough, decrease the core clock.
Either way you're probably not damaging anything. Unstable operation usually just means you're going too fast for the current voltage. Damage happens mostly by severe overheating.
If you have more headroom on temperature, increase the core voltage. You can also decrease the memory clock to buy yourself some extra thermal margin if you need it.
If you're maxed out on temperature and tuning memory doesn't help enough, decrease the core clock.
Either way you're probably not damaging anything. Unstable operation usually just means you're going too fast for the current voltage. Damage happens mostly by severe overheating.
I recently purchased another monitor, so I'm now running a tri-head setup. I have 2 monitors connected to GPU0 and one to GPU1. The GPU's are both 5830's.
Whenever I'm mining, one of my monitors on GPU0 starts flickering. It appears to be snippets of the other monitor connected to GPU0. This is very strange as it doesn't happen when I plug out my monitor from GPU1.
Has anyone experienced any issues like this? Its a small bit annoying, but I'm mainly worried that I may have damaged/are doing damage to my cards.
Whenever I'm mining, one of my monitors on GPU0 starts flickering. It appears to be snippets of the other monitor connected to GPU0. This is very strange as it doesn't happen when I plug out my monitor from GPU1.
Has anyone experienced any issues like this? Its a small bit annoying, but I'm mainly worried that I may have damaged/are doing damage to my cards.
I saw this with one of the 5770 rigs that I had setup. Later on I did a reformat and it worked fine. I would not use multiple displays and mining. Especially two monitors on 1 gpu. I can only imagine that the extra displays will just tax the system. You can leave them hooked up, but I would just make a profile for mining where only one displays.
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