Hi guys... I just plugged my Onkyo 6.1 Channel (S-680) to my computer. I connected the receiver to the Digital Out port of my motherboard (Intel 915GV Chipset-Asus PTGD1 - LA). It uses the Realtek ALC880 drivers. Whenever I open Sound Effect Manager and do the Speaker Test, sound comes only from my front speakers. The rears/centre/sub all light up but no sound is played. However, while running games/music/films I get sound from all my speakers (though not very satisfactory and not real surround sound). Can anyone please help me with this? Also, I can't open Realtek HD Audio Manager (RTHDCPL.exe). Only RTLCPL.exe (Sound Effect Manager) works. When I click on RTHDCPL.exe nothing happens. Please do help out. Thanks.