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@@ -450,6 +450,11 @@ Q: I change my GPU engine/memory/voltage and BFGMiner reports back no change?
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A: BFGMiner asks the GPU using the ATI Display Library to change settings, but
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A: BFGMiner asks the GPU using the ATI Display Library to change settings, but
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the driver and hardware are free to do what it wants with that query, including
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the driver and hardware are free to do what it wants with that query, including
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ignoring it. Some GPUs are locked with one or more of those properties as well.
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ignoring it. Some GPUs are locked with one or more of those properties as well.
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+The most common of these is that many GPUs only allow a fixed difference
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+between the engine clock speed and the memory clock speed (such as the memory
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+being no lower than the engine - 150). Other 3rd party tools have unofficial
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+data on these devices on windows and can get the memory clock speed down
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+further but BFGMiner does not have access to these means.
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Q: I have multiple GPUs and although many devices show up, it appears to be
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Q: I have multiple GPUs and although many devices show up, it appears to be
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working only on one GPU splitting it up.
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working only on one GPU splitting it up.
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@@ -466,6 +471,10 @@ Q: Do I need to recompile after updating my driver/SDK?
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A: No. The software is unchanged regardless of which driver/SDK/ADL version you
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A: No. The software is unchanged regardless of which driver/SDK/ADL version you
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are running.
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are running.
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+Q: I do not want BFGMiner to modify my engine/clock/fanspeed?
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+A: BFGMiner only modifies values if you tell it to via some parameters.
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+Otherwise it will just monitor the values.
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+
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Q: Should I use crossfire/SLI?
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Q: Should I use crossfire/SLI?
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A: It does not benefit mining at all and depending on the GPU may actually
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A: It does not benefit mining at all and depending on the GPU may actually
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worsen performance.
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worsen performance.
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