While troubleshooting the infamous Win8.1 won't sleep problem I found that there are some native USB related issues on this M6F mobo as reported by the Powercfg /energy command line tool.
USB Suspend: USB Device not Entering Selective Suspend
This device did not enter the USB Selective Suspend state. Processor power management may be prevented when this USB device is not in the Selective Suspend state. Note that this issue will not prevent the system from sleeping.
Device Name Generic USB Hub
Host Controller ID PCI\VEN_8086&DEV_8C31
Host Controller Location PCI bus 0, device 20, function 0
Device ID USB\VID_0451&PID_1446
Port Path 3,3
In total there were 4 USB errors with the only difference being the Device ID and Port Paths. Specifically these were as follows.
Device ID
|
USB\VID_041E&PID_4096
|
Port Path
|
3,1
|
Device ID
|
USB\VID_046D&PID_C01E
|
Port Path
|
14
|
Device ID
|
USB\VID_174C&PID_2074
|
Port Path
|
3
|
This next one seems to point directly to a compatibility issue with the MS Natural keyboard
USB Suspend:USB Device not Entering Selective Suspend
This device did not enter the USB Selective Suspend state. Processor power management may be prevented when this USB device is not in the Selective Suspend state. Note that this issue will not prevent the system from sleeping.
Device Name Microsoft Natural Keyboard Pro Composite Device
Host Controller ID PCI\VEN_8086&DEV_8C31
Host Controller Location PCI bus 0, device 20, function 0
Device ID USB\VID_045E&PID_001D
Port Path 3,3,1
I have only the MS kybd, Logitech MX518 mouse, and a jumper to the USB bus on the monitor.
How do I go about troubleshooting these cryptic Device ID and Port Paths?
