Hey ocminer - what are the odds of recompiling 0.5a to support more than 4 GPUs?  I noticed that your compiled version of 0.5a keeps GPU usage constant at 100% vs. 0.5c by Nicehash.  I get moderately better Sol/s running two instances of your version of 0.5a vs. Nicehash current release of 0.5c.

nheqminer-djezo suprnova v.0.5a

https://github.com/ocminer/nheqminer-djezo/releases