Hello guys,
 I have a problem with my 2 rigs. Both with same configuration 5 x 750ti, asrock H81pro, celeron, 4gb ram, win7 64bit, Cudaminer.
What happen is that after a while mining,  the last gpu I set on -d configuration stop working and hashrate drop. For istance if I set -d 0,1,2,3,4 gpu 4 "fall asleep", if I set -d 4,3,2,1,0 gpu 0 "fall asleep" ..
I also notice that "dead" gpu is never listed on screen anymore.
Anyone notice or have this problem. Just me on 2 rigs? :S

Thanks!

Alanx