MSI B450I GAMING PLUS AC

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Contents
Contents
Quick Start ............................................................................................................. 1
Preparing Tools and Components .......................................................................... 1
Installing a Processor ............................................................................................. 2
Installing DDR4 memory ........................................................................................ 4
Connecting the Front Panel Header ....................................................................... 5
Installing the Motherboard ..................................................................................... 6
Installing SATA Drives............................................................................................. 7
Installing a Graphics Card ...................................................................................... 8
Connecting Peripheral Devices .............................................................................. 9
Connecting the Power Connectors ....................................................................... 10
Power On............................................................................................................... 11
Safety Information ............................................................................................... 14
Specifications ....................................................................................................... 15
Package contents ................................................................................................ 19
Block Diagram .................................................................................................... 20
Rear I/O Panel ..................................................................................................... 21
LAN Port LED Status Table................................................................................... 21
Overview of Components .................................................................................... 23
Processor Socket .................................................................................................. 25
DIMM Slots ............................................................................................................ 26
PCI_E1: PCIe Expansion Slot ................................................................................ 27
SATA1~4: SATA 6Gb/s Connectors ....................................................................... 27
M2_1: M.2 Slot (Key M) ......................................................................................... 28
JFP1, JFP2: Front Panel Connectors ................................................................... 29
CPU_PWR1, ATX_PWR1: Power Connectors ....................................................... 29
JUSB1: USB 2.0 Connector .................................................................................. 30
JUSB2: USB 3.1 Gen1 Connector ......................................................................... 30
CPU_FAN1, SYS_FAN1: Fan Connectors .............................................................. 31
JAUD1: Front Audio Connector ............................................................................ 31
JCI1: Chassis Intrusion Connector ....................................................................... 32
JBAT1: Clear CMOS (Reset BIOS) Jumper ........................................................... 33
JRGB1~2: RGB LED Connectors........................................................................... 33
EZ Debug LED ....................................................................................................... 34
BIOS Setup ........................................................................................................... 35
Entering BIOS Setup ............................................................................................. 35
Resetting BIOS ...................................................................................................... 36
Updating BIOS ....................................................................................................... 36