User’s Manual
ASUS PRIME Z390-A
2-15
Chapter 2
2.2 Motherboard rear and audio connections
2.2.1 Rear I/O connection
* and ** : Refer to the tables on the next page for LAN port LEDs, and audio port definitions.
Rear panel connectors
1. PS/2mouse/keyboardcomboport
2. USB3.1Gen2Type-Aport3
3. DisplayPort
4. USB3.1Gen2Type-Aports1and2
5. LAN(RJ-45)port*
6. USB2.0Type-Aports13and14
7. USB3.1Gen2Type-C™portC4
8. HDMIport
9. Intel
®
USB3.1Gen1ports9and10
10. OpticalS/PDIFOUTport
11. AudioI/Oports**
• USB3.1Gen1/Gen2devicescanonlybeusedasdatastorageonly.
• Westronglyrecommendthatyouconnectyourdevicestoportswithmatchingdata
transferrate.PleaseconnectyourUSB3.1Gen1devicestoUSB3.1Gen1portsand
yourUSB3.1Gen2devicestoUSB3.1Gen2portsforfasterandbetterperformance
for your devices.
• DuetothedesignoftheIntelchipset,allUSBdevicesconnectedtotheUSB3.1Gen
1portsarecontrolledbythexHCIcontroller.SomelegacyUSBdevicesmustupdate
theirrmwareforbettercompatibility.