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2.3
Motherboard rear and audio connections
2.3.1
Rear I/O connection
Rear panel connectors
Clear CMOS button (CLR_CMOS). Press this button to clear the BIOS setup
1.
information only when the systems hangs due to overclocking.
2.
PS/2 Mouse port (green)
3.
USB 3.2 Gen 1 Type-A ports E1 and E2
4.
USB 3.2 Gen 1 Type-A ports E3 and E4
5.
Intel
I225-V Ethernet port
®
6.
BIOS FlashBack™ button
7.
PS/2 Keyboard port (purple)
8.
USB 3.2 Gen 2 Type-A ports 1 and 2
9.
USB 3.2 Gen 2 Type-A ports 3 and 4
10.
USB 3.2 Gen 1 Type-A port 7
11.
USB 3.2 Gen 2 Type-C
12.
Wi-Fi 6 (802.11 a/b/g/n/ac/ax), Bluetooth V5.1
13.
Optical S/PDIF out port
14.
Gold-plated audio jacks*
* Refer to the table on the next page for audio port definitions.
•
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.
ROG MAXIMUS XII APEX
port C6
®
2-17
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Chapters
