Is there a specific type of thumb drive that is required by the P3SVGA in order for the USB screen capture to work? I've tried 1GB, 2GB, and 64GB thumb drives, and as soon as any of them are plugged in, the P3SVGA reports "DEVICE NOT SUPPORTED". P3SVGA firmware rev's are: MCU: 01.26 SVGA: 01.16 FPGA 0-4: 01.04 tnx & 73, Dale WA8SRA