I have 3 computers that I would like to hook up to my Logitech Z-5500 speakers. Computer A has a X-Fi Xtreme Gamer souncard (3 stereo-mini connectors) -WinXP. Computer B is a laptop (3 stereo-mini ...

Have my main computer (Win7) computer in basement, along with the cable-modem, Netgear N900/WNDR4500. Both my main computer and an older WinXP computer are CAT6 wired to the N900. So are my DirecTV ...