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post #851 of 22495
Quote:
Originally Posted by bluestang View Post

Uhgg..bummer! What about intensity 18 or 17, same thing? Might just be the unluck of the card. I know my GB 7950 mines like crap and won't even do it without crashing at stock memory settings..I have to set it at 1225 for the memory or I get driver crashes. I need to do a RMA and send it in.

Either you got some bad cards, or there's something else wrong in your setup. I've got 4 WF3 7950 all mining very nicely right now with a moderate overclock, and no problems.

I'm using BAMT, and running the included 7950 oc settings. The guy who made those settings says they're good for 620K/h on his system. But I'm getting 650K/h with the same settings on my WF3 cards. I didn't have to do any tweaking at all. 3 of the cards are running at 75 degrees @ 1085Mhz, one runs a little hotter at 80 degrees, which is on the high end of what is 24/7 acceptable, but it's still acceptable.

I suggest giving that a try, download BAMT onto a USB key and boot from that. Try it with the default settings first and see how that goes. Then set it up to use the overclocked 7950 settings that are included in there. If that still gives you problems, then you probably have a hardware problem. Could be the card, could be power issues. If that works, then you know it's a software issue, either a configuration or driver issue.
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post #852 of 22495
I told them the card was crashing at stock.
    
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post #853 of 22495
Quote:
Originally Posted by Hokies83 View Post

I told them the card was crashing at stock.

My XFX 7970 was crashing at stock too. But it turned out to be driver issues. Cleaned that up, and now it runs well.
I suggest using BAMT to test because you can rule out any driver problems or windows problems or config problems, all at the same time. And you don't have to mess around with your otherwise stable system to do that.
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post #854 of 22495
Quote:
Originally Posted by wedge View Post

My XFX 7970 was crashing at stock too. But it turned out to be driver issues. Cleaned that up, and now it runs well.
I suggest using BAMT to test because you can rule out any driver problems or windows problems or config problems, all at the same time. And you don't have to mess around with your otherwise stable system to do that.
But his PCB is bent out of it's mind too. Even that might make me think twice about using the card. I'd probably RMA it again, because TBH fearful me doesn't want to know what could happen with that with time.
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post #855 of 22495
Quote:
Originally Posted by cam51037 View Post

But his PCB is bent out of it's mind too. Even that might make me think twice about using the card. I'd probably RMA it again, because TBH fearful me doesn't want to know what could happen with that with time.

Lol, well then yeah. If I received a bent card, I wouldn't even install it. Just send it right back. Don't want them trying to say you're the one that bent it.
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post #856 of 22495
When u have 4 cards in a system and only one is crashing and the rest are fine.

Normally tells me a bad card.
    
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post #857 of 22495
Quote:
Originally Posted by bluestang View Post

Uhgg..bummer! What about intensity 18 or 17, same thing? Might just be the unluck of the card. I know my GB 7950 mines like crap and won't even do it without crashing at stock memory settings..I have to set it at 1225 for the memory or I get driver crashes. I need to do a RMA and send it in.

good news actually, using a TC of 8000 with "--gpu-engine 1100 --gpu-memclock 1450 --gpu-powertune 20" has me at about 375 Kh/s so your suggestion did help in the end, I guess every manufacturer has it's own sweet spot for the engine and memory clocks though.

My card is an XFX for the record
post #858 of 22495
^^ Glad to hear.

On that note, I tried upping my core to 1200 on my 7850 and it now throws HW errors. Is there an acceptable percentage or is HW:0 the only way to go???
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post #859 of 22495
Thread Starter 
Quote:
Originally Posted by bluestang View Post

^^ Glad to hear.

On that note, I tried upping my core to 1200 on my 7850 and it now throws HW errors. Is there an acceptable percentage or is HW:0 the only way to go???

0 is ideal, but the max acceptable is 3%.

Calculate the number of diff 1 shares like this:

hashrate * running_time_in_seconds / 65536

Then compare the amount of HW, the percentage should be 3% max.

Example:

(300000 * 3600) / 65536 = 16480 diff 1 shares accepted.

Say you have 10 hw, then it's ok-ish, but not ideal.
post #860 of 22495
Aahh, so 18 HW's in 30 min is bad then!

Time to lower clocks.
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