I have a HTPC with a ASRock z77 Pro4-M Motherboard. 2 x Twin 2250 Hauppauage tuners. One tuner in the PCIe X 1 slot which works perfectly and the second in a PCIe X16 slot which loses connectivity after a certain time or after being in sleep mode. Rebooting the PC is the only way to re connect. Anybody understand why this is happening. I'm thinking of upgrading my Motherboard to one that has duel PCIe X 1 slots, does anybody think this will make a difference.