User's Manual

ASUS H81M-E R2.0
1-13
7. USB 2.0 ports 3 and 4.Thesetwo4-pinUniversalSerialBus(USB)portsareforUSB
2.0/1.1devices.
8. USB 3.0 ports 1 and 2.Thesetwo9-pinUniversalSerialBus(USB)portsconnectto
USB3.0/2.0devices.
• DuetoUSB3.0controllerlimitations,USB3.0devicescanonlybeusedundera
Windows
®
OSenvironmentandafterUSB3.0driverinstallation.
• ThepluggedUSB3.0devicemayrunonxHCIorEHCImode,dependingonthe
operatingsystem’ssetting.
• USB3.0devicescanonlybeusedfordatastorage.
• WestronglyrecommendthatyouconnectUSB3.0devicestoUSB3.0portsforfaster
andbetterperformancefromyourUSB3.0devices.
9. USB 2.0 ports 5 and 6.Thesetwo4-pinUniversalSerialBus(USB)portsareforUSB
2.0/1.1devices.
10. Serial port.This9-pinCOMportisforpointingdevicesorotherserialdevices.
11. PS/2 keyboard port (purple).ThisportisforaPS/2keyboard.
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration
Port
Headset
2.1-channel
4.1-channel 5.1-channel 7.1-channel
LightBlue(Rear
panel)
LineIn
RearSpeakerOut RearSpeakerOut RearSpeakerOut
Lime(Rearpanel) LineOut
FrontSpeakerOut FrontSpeakerOut FrontSpeakerOut
Pink(Rearpanel) MicIn
MicIn Bass/Center Bass/Center
Lime(Frontpanel) -
- - SideSpeakerOut