Hi, Yes i tried both settings. The current shared memory is set to 268424446 Something strange in the logs. I've set-up /dev/video1 (0) on monitor-2 (which is the kodicom 8800), however in the logs video0 and video1 appear to be capturing to monitor-2. Feb 21 17:27:22 CCTV zmc_dvideo0[1866]: INF ...