ROG STRIX Z490-A GAMING
2-17
Chapter 2
2.3 Motherboard rear and audio connections
2.3.1 Rear I/O connection
* Refer to the table on the next page for audio port definitions.
Rear panel connectors
1. DisplayPort
2. USB 3.2 Gen 2 Type-A port 3
3. Intel
®
I225-V Ethernet port
4. HDMI™ port
5. USB 2.0 ports 11 and 12
6. BIOS FlashBack™ button
7. USB 3.2 Gen 2 Type-C
®
port C4
8. USB 3.2 Gen 1 Type-A ports 1 and 2
9. USB 3.2 Gen 1 Type-A ports 9 and 10
10. Optical S/PDIF OUT port
11. Gold-plated audio jacks*
• We strongly recommend that you connect your devices to ports with matching
data transfer rate. Please connect your USB 3.2 Gen 1 devices to USB 3.2 Gen 1
ports and your USB 3.2 Gen 2 devices to USB 3.2 Gen 2 ports for faster and better
performance for your devices.
• Due to the design of the Intel chipset, all USB devices connected to the USB 3.2 Gen
1 ports are controlled by the xHCI controller. Some legacy USB devices must update
their firmware for better compatibility.
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