Ahhh, nothing like reinstalling an older pc and not knowing what exactly some of the hardware is. Once in a blue moon these utilities can become handy to fix the dreaded:
Here’s a couple utilities that help detect what the “Unknown Device” in the device manager is
http://www.zhangduo.com/udi.html
I personally have used the first one, and it doesn’t’ require an install, so it’s great for portable / usb drives.



