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Well, I use mtgox because of the eurotransfer (SEPA) with low fees, big volume and... that's it  Btw I had hard time searching for a market suitable for EU, could you recommend some ? |
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Hello,
I just got my new 6950 1gb, installed it, latest drivers - everything okay.
But when I added the old 5770 in the setup I can't put them in crossfire.
In device manager im able to see both of them but not in the guiminer in example.
Also I don't see any option like "enable crossfire" in CCC ?
Is there something Im missing ?
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Anyone have an idea which SDK will give better performance for these cards ?
My guess is if m4rkiz is right and they don't OC so well then SDK 2.1 will be better because it gives better MH/s at lower clock speeds.
Anyway how much MH you guys get with these cards ?
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it still oc better, have more vram for gaming, and is quiet (believe me, those shapphire 1GB are LOUD)
I don't disagree with that, I just disagree with shader unlock with the original poster wanted a lot it seemed. Right now the 6950 are a toss up with a lot of newer ones not being able to unlock. Also bios switch is use to tell reference design, one of the key parts is the actual core itself. I own the DCIi and TWin Frozr 6950 and love them better then my stock 6970 Okay, so unlock is not guaranteed in both cards but currently I can buy the ASUS 1GB DCII cheaper than the 1GB Sapphire. So I guess Asus is better, no ? |
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How about if I flash a BIOS with unlockable shaders on them ?
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IMO if memory is underclocked at 300 MHz -w256 gives better results
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I did it by editing "UnofficialOverclockingEULA = I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it" but the strange thing was that I had to restart the pc and the first time I ran Afterburner min mem clock was 390MHz  After a second restart it is now 195 |
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Okay but how ? I tryed editing afterburner's config file and it wont work .
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Or maybe 600Mhz memory clock is the minimum for 5770 ?
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Already done that(UnofficialOverclockingMode = 1) and still cant go lower than 600.
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Hey,
I'm trying to underclock the memory frequency on my 5770 but MSI Afterburner won't let me go below 600. Anyone knows how to ?
Also how low should I go ? 300 ?
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Btw what is exactly the point of underclocking memory ? Generating less heat or what ?
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Btw I'm able to get ~200 MHash/s with my 5770 and about 170 without overclock using Guiminer. Just use extra flags: -v -w256
I get those same kind of numbers using -v -w128. I thought it was a model wide setting. All I've been seeing is for all 5xxx, and 6xxx to use -w128 for best performance. Maybe it's dependent on other system variables! Tryed your settings and seems like im getting 3-4 Mhash/s more. Thank you ) |
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Also check your power options. Set them to best performance and set Turn off display and Put computer to sleep to never.
Btw I'm able to get ~200 MHash/s with my 5770 and about 170 without overclock using Guiminer. Just use extra flags: -v -w256
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Hmm 6850 is 240$ here and btw im currently looking at 149$ Sapphire 5850 but unfortunatelly they ship only to US  |
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@wigsgiw 5830 is 8$ cheaper than 5850 - 280$ @JayC I just managed to get 190MHash/s but a core temp of 85C is way too high |
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Thank you for the answers @JayC OCed core at 950 MHz gives me 170+ but the temperature is too high - 82C and I want to keep it <80. Maybe if i improve the airflow inside the box i will be able to keep the core at 950MHz 24/7 but still the difference is not that big... I'm not from US either. I'm from Bulgaria, Eastern Europe and here local dealers sell 5850 for $288 That's why im currently looking to buy used card and a power supply. And... yeah maybe I will stick with my 5770 + hopefully 5850 as this will be the cheapest mining upgrade. |
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And also another question. Which is better 5830 or 5850 ? Or is 5870 worth the money ? Ohh god im very confused |
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