ASUS PRIME B450M-A
1‑5
PCI Express 2.0 x1 slots
This motherboard has two PCI Express 2.0 x1 slots that support PCI Express 2.0
x1 network cards, SCSI cards, and other cards that comply with the PCI Express
specifications.
PCI Express 3.0/2.0 x16 slot
This motherboard has a PCI Express 3.0/2.0 x16 slot that supports PCI Express
3.0/2.0 x16 graphic cards complying with the PCI Express specifications.
Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital
Interface (S/PDIF) port. Connect the S/PDIF Out module
cable to this connector, then install the module to a slot
opening at the back of the system chassis.
SPDIF_OUT
+5V
SPDIFOUT GND
Rear panel connectors
1.
PS/2 Mouse port (green).
This port connects to a PS/2 mouse.
2.
Video Graphics Adapter (VGA) port.
This 15‑pin port is for a VGA monitor or other
VGA‑compatible devices.
3.
USB 3.1 Gen 1 (up to 5Gbps) ports.
These 9‑pin Universal Serial Bus (USB) ports
connect to USB 3.1 Gen 1 devices.
4.
USB 3.1 Gen 2 (up to 10Gbps) ports (teal blue, Type A)
. These 9‑pin Universal
Serial Bus 3.1 (USB 3.1) ports are for USB 3.1 Gen 2 devices.
•
USB 3.1 Gen 2 / Gen 1 devices can only be used for data storage.
•
Due to the design of the AMD AM4 series chipset, all USB devices connected to the
USB 2.0 and USB 3.1 Gen 2 / Gen 1 ports are controlled by the xHCI controller.
•
We strongly recommend that you connect USB 3.1 Gen 2 devices to USB 3.1 Gen 2
ports for faster and better performance from your USB 3.1 Gen 2 devices.
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