Tried diffrent drivers on my R9 Nano. No "asm" so no speed update... Funny that 290 and 7950 work just great
As mentioned above, use 16.3.2 with fijis.
I got 9 x R9 Fury something like 330-370 H/s (-45% power limit)
With -asm 0 -a 2 parameters.
http://www.monitorig.com/#?panel=dashboard&id=1086db9224632d26671ab42df5ee1d92bf0187bbdd
400@-96mv with 16.3.2 lots of nanos, pro duos...
Always redirected to latest version on AMD support ... Do you have the link ?
very easily
http://support.amd.com/en-us/kb-articles/Pages/AMD-Radeon-Software-Crimson-Edition-16-3-2.aspx
here is a list back to 15 http://support.amd.com/en-us/download/desktop/previous?os=Windows%207%20-%2064