I have a unknown device under "other devices" in device manager on a Windows 2003 server SP2 x32. This PC is a Virtual Machine using Hyper-V. The host PC is 2008 r2 x64. The NIC is installed and it has no issues connecting to the network. I do have very poor hard drive performance on the VM. Does anyone have any ideas on what would cause the bad hard drive performance? and what that unknown device might be?