User Manual

Table Of Contents

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

specications.

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specications.

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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