Reinstall windows 7 x64 ultimate and catalyst 12.4, nothing more.
Problem when in case 2 GPU, each solo GPU show good speed and load ~3M c/s on md5...but then 2, speed about 1.6M
with 11.12 catalyst
Hash.Type....: MD5
Time.Running.: 6 secs
Time.Left....: 10 hours, 27 mins
Time.Util....: 6964.5ms/1.0ms Real/CPU, 0.0% idle
Speed........: 5799.6M c/s Real, 5801.9M c/s GPU
Recovered....: 0/14 Digests, 0/1 Salts
Progress.....: 40391147520/218340105584896 (0.02%)
Rejected.....: 0/40391147520 (0.00%)
HW.Monitor.#1: 95% GPU, 62c Temp
HW.Monitor.#2: 95% GPU, 57c Temp
Problem when in case 2 GPU, each solo GPU show good speed and load ~3M c/s on md5...but then 2, speed about 1.6M
with 11.12 catalyst
Hash.Type....: MD5
Time.Running.: 6 secs
Time.Left....: 10 hours, 27 mins
Time.Util....: 6964.5ms/1.0ms Real/CPU, 0.0% idle
Speed........: 5799.6M c/s Real, 5801.9M c/s GPU
Recovered....: 0/14 Digests, 0/1 Salts
Progress.....: 40391147520/218340105584896 (0.02%)
Rejected.....: 0/40391147520 (0.00%)
HW.Monitor.#1: 95% GPU, 62c Temp
HW.Monitor.#2: 95% GPU, 57c Temp