2xGTX970, GPU1 gets half the hashrate of GPU0

Hello, please can someone help, CLaymore 9,5 Dual, ETh+PASC, WINDOWs 7 , no SLI

ETH - Total Speed: 23.858 Mh/s, Total Shares: 3, Rejected: 0, Time: 00:08 ETH: GPU0 16.810 Mh/s, GPU1 7.048 Mh/s PASC - Total Speed: 238.580 Mh/s, Total Shares: 3, Rejected: 0 PASC: GPU0 168.102 Mh/s, GPU1 70.478 Mh/s GPU0 t=81C fan=51%, GPU1 t=70C fan=45%