Hi there,
I have 2 rigs mining Med.
#1. Win7 Ultimate x64
i7 - Q740 CPU
4x Antminer U1
1x Antminer U2
Bfgminer 3.10 (latest modded version)
LogiLink 10 port USB Hub (powered)
Bfgminer string: bfgminer -o stratum+tcp://ibipot.com:3333 -u X -p X -S antminer:all –set-device antminer:clock=x0B81 --submit-stale
Hash Rate - 8~10Gh/s - about 85% CPU usage
#2. Win7 Ultimate x64
i3 - 2350M CPU
4x Antminer U1
1x Antminer U2
Bfgminer 3.10 (latest modded version)
LogiLink 10 port USB Hub (powered)
Bfgminer string: bfgminer -o stratum+tcp://ibipot.com:3333 -u X -p X -S antminer:all –set-device antminer:clock=x0B81 --submit-stale
Hash Rate - 6~7 Gh/s - about 85% CPU usage
Had some issues with Cgminer and Bfgminer 3.9 with the built in Proxy, mostly low hashrates and HW errors, the latest Bfgminer 3.10 was waaaaay better.
Edit: ASIC drivers - silabser (v6.6.1.0)