Adding the 2nd speaker causes "Not enough USB controller resources".ģ) Using Plugable USB3-HUB7A, the results were identical to the D-Link DUB-H7. When I daisy chain the USB2-HUB-AG7 off the DUB-H7, I can only get one USB speaker to run on the USB2-HUB-AG7 child hub. I also found this 7-port hub presents itself as two chained 4-port hubs internally, and I am able to get (4) speakersĪttached to the hub if I put (3) of them on the ports associated with the parent hub. I get the error when I attach (4) gamepads and (3) speakers, but not when I attach (5) gamepads and (2) speakers. I also get the error when I attach (0) gamepads and (4) speakers, but not when I attach (0) gamepads and (3) speakers.Ģ) Using D-Link DUB-H7 connected directly to the Surface Pro 2 USB Audio speakers, 500mA USB 1.0 and 1.1 devices respectively.ġ) Using Plugable USB2-HUB-AG7 connected directly to Surface Pro 2 On a Surface Pro 2 running latest Microsoft USB 3.0 xHCI Host Controller driver (.13031, ) I'm seeing this USB controller resources error with three different USB hubs.
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