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Update scrypt readme re drivers and sdk.

Con Kolivas 13 years ago
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      SCRYPT-README

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SCRYPT-README

@@ -24,6 +24,13 @@ NOTE that if it does not fail at startup, the presence of hardware errors (HW)
 are a sure sign that you have set the parameters too high.
 are a sure sign that you have set the parameters too high.
 
 
 
 
+DRIVERS AND OPENCL SDK
+
+The choice of driver version for your GPU is critical, as some are known to
+break scrypt mining entirely while others give poor hashrates. As for the
+OpenCL SDK installed, for AMD it must be version 2.6 or later.
+
+
 Step 1 on Linux:
 Step 1 on Linux:
 export GPU_MAX_ALLOC_PERCENT=100
 export GPU_MAX_ALLOC_PERCENT=100
 If you do not do this, you may find it impossible to scrypt mine. You may find
 If you do not do this, you may find it impossible to scrypt mine. You may find