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Author Topic: Help Mining Litecoins with my 7770  (Read 675 times)
fussyqbert
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April 01, 2013, 10:44:37 PM
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I finally decided to start researching bitcoins/alternate currencies and I'm now punching myself for not doing so 2 years ago. After a bit of research, it seems that the future of GPU mining may be headed to litecoins, so I decided to start there.

I downloaded the litecoin wallet and reaper. I started with burnside's pool and also tried notroll's pool. On both, I started out around 100kH/s... and then drops steadily to ~1.000kH/s and seems to still be dropping. I followed the recommended settings from here: https://bitcointalk.org/index.php?topic=117221.0

The only thing I havn't looked at is my cards core:memory ratio, which it recommended a ratio of .7. Would this have this type of effect on mining?

Any insight/help is appreciated. I can attach screenshots if you would like.
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theFed
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April 01, 2013, 11:18:38 PM
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I have the same video card.  I'm no expert as I just started mining LTC 1 month ago, but I typically get 140 kH/s on intensity 12, which allows me to use my computer while mining. I've heard of people maxing out this card around 200 kH/s, but I haven't tried.

Go ahead and post some screen shots and I'll see if I can help.
fussyqbert
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April 02, 2013, 12:37:04 AM
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I have the same video card.  I'm no expert as I just started mining LTC 1 month ago, but I typically get 140 kH/s on intensity 12, which allows me to use my computer while mining. I've heard of people maxing out this card around 200 kH/s, but I haven't tried.

Go ahead and post some screen shots and I'll see if I can help.

I think it could have something to do with my driver. Whenever I start reaper, my display driver crashes and recovers, but then my kH/s plumits. I'm on 13.1.

I changed the clock speed so that it is about a .7 ratio but it didn't seem to help. Also, I'm not sure if my graphics card is actually being utilized fully. I have a Gigabyte card and when I open OC_GURU (their afterburner) on the monitor it says GPU 300 MHz and Memory 150 MHz. So maybe it isn't scaling up the GPU?

I also looked in CCC and my GPU OverDrive is enabled. Could this interfere with anything?

EDIT
aha! I think the GPU OverDrive wasn't activating since I was on Balanced instead of High Performance (windows thing). Will report back!
fussyqbert
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April 02, 2013, 01:27:00 AM
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I have the same video card.  I'm no expert as I just started mining LTC 1 month ago, but I typically get 140 kH/s on intensity 12, which allows me to use my computer while mining. I've heard of people maxing out this card around 200 kH/s, but I haven't tried.

Go ahead and post some screen shots and I'll see if I can help.

I got everything figured out! Thanks for the support!

A quick question since you run the same card, how hot does your card run while mining? Mine got to about 95C which I thought was extremely hot.
theFed
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April 02, 2013, 02:54:21 AM
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I have the same video card.  I'm no expert as I just started mining LTC 1 month ago, but I typically get 140 kH/s on intensity 12, which allows me to use my computer while mining. I've heard of people maxing out this card around 200 kH/s, but I haven't tried.

Go ahead and post some screen shots and I'll see if I can help.

I got everything figured out! Thanks for the support!

A quick question since you run the same card, how hot does your card run while mining? Mine got to about 95C which I thought was extremely hot.
My temp hovers around 70-75C.  I'm on 12.8, not sure if that has anything to do with it.  I agree 95C is too hot.  You should try to keep it under 85C if at all possible.
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