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since I just upgraded my rig I got my old GPU laying around doing nothing, so I thought I might start to mine with it.

Its an XFX HD 6950 with 2GB of RAM.

Im running the following config:

  • Biostar A68N-2100 (had that thing laying around)
  • AMD Fusion APU E1-2100 Dual-Core Processor
  • 8 GB DDR3 RAM
  • Windows 7 64bit
  • Virtual Memory set to 16 GB

Im getting DAG allocation errors though...

I tested the following graphics drivers; - 14.1 beta - 14.4 - 15.12

Using those variables in my .bat file:

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100

geth is properly synced & I'm using ethminer-0.9.41-genoil-1.1.7.

Can anyone help me with my issue?

EDIT: Would it be possible to run it in my main rig (RX 580) as a secondary card?

(I know this rig (cpu & gpu) is not powerfull but I wanted to try it anyways and I could swap the mb & cpu out for a better one)

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I don't think you can mine with GPUs with less than 4 Gb of memory since the DAG increases with the blockchain size.

  • Would it be possible to run it in my main rig (RX 580) as a secondary card? – Lukazy Jun 23 '17 at 11:37

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