1). I don't have a surround track OR a test pattern...
2). I will try that, thank you.
3). Headphones/keyboard is working, I used to have both keyboard and speakers on the green socket using a splitter (Aussies call it a double adapter ). The volume control on the keyboard controls the main volume on the PC
4). The only other socket left is Line In (blue). I have a mike.
/ 
). The volume control on the keyboard controls the main volume on the PC
