MSI B450I GAMING PLUS AC User Manual

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BIOS Setup
Advanced
f PCI Subsystem Settings
Sets PCI, PCI express interface protocol and latency timer. Press Enter to enter the
sub-menu.
fAbove 4G memory/ Crypto Currency mining [Disabled]
Enables or disables 64-bit capable devices to be decoded in above 4G address
space. It is only available if the system supports 64-bit PCI decoding.
[Enabled] Allows you to utilize more than 4x GPUs.
[Disabled] Disables this function.
f ACPI Settings
Sets ACPI parameters of onboard power LED behaviors. Press Enter to enter the sub-
menu.
fPower LED [Blinking]
Sets shining behaviors of the onboard Power LED.
[Dual Color] The power LED turns to another color to indicate the S3 state.
[Blinking] The power LED blinks to indicate the S3 state.
f Integrated Peripherals
Sets integrated peripherals' parameters, such as LAN, HDD, USB and audio. Press
Enter to enter the sub-menu.
fOnboard LAN Controller [Enabled]
Enables or disables the onboard LAN controller.
fLAN Option ROM [Disabled]
Enables or disables the legacy network Boot Option ROM for detailed settings. This
item will appear when Onboard LAN Controller is enabled.
[Enabled] Enables the onboard LAN Boot ROM.
[Disabled] Disables the onboard LAN Boot ROM.
fNetwork Stack [Disabled]
Sets UEFI network stack for optimizing IPv4 / IPv6 function. This item is available
when Onboard LAN Controller is Enabled.
[Enabled] Enables UEFI network stack.
[Disabled] Disables UEFI network stack.
fIpv4 PXE Support [Enabled]
When Enabled, the system UEFI network stack will support Ipv4 protocol. This item
will appear when Network Stack is Enabled.
[Enabled] Enables the Ipv4 PXE boot support.
[Disabled] Disables the Ipv4 PXE boot support.

MSI B450I GAMING PLUS AC Specifications

General

Form Factor	Mini-ITX
Chipset	AMD B450
Socket	AM4
Memory Slots	2
Maximum Memory	32 GB
Audio	Realtek ALC887
PCIe x16 Slots	1
SATA Ports	4
M.2 Slots	1
Video Outputs	1 x HDMI, 1 x DisplayPort
RAID Support	RAID 0, 1, 10
Memory Speed	DDR4 3466+(OC) MHz
LAN	Realtek 8111H Gigabit LAN
Wi-Fi	802.11 a/b/g/n/ac
USB Ports	4 x USB 2.0
Networking	Realtek 8111H Gigabit LAN

Summary

Quick Start Guide

Preparing Tools and Components

Lists essential tools and components required for motherboard installation.

Installing a Processor

Installing DDR4 Memory

Connecting the Front Panel Header

Installing the Motherboard

Installing SATA Drives

Installing a Graphics Card

Connecting Peripheral Devices

Connecting the Power Connectors

Power On Procedure

Safety Information

Rear I/O Panel

Overview of Components

Processor Socket

AM4 CPU Introduction

DIMM Slots

Memory Module Installation

Provides recommendations for installing memory modules.

PCIe Expansion Slot

SATA Connectors

M.2 Slot Installation

Front Panel Connectors

Power Connectors

Fan Connectors

Clear CMOS Jumper

Resetting BIOS Defaults

Procedure for clearing CMOS to reset BIOS settings.

EZ Debug LED

BIOS Setup

Entering BIOS Setup

Instructions on how to access the BIOS setup menu.

EZ Mode Overview

Advanced Mode Overview

Introduction to the advanced BIOS interface and its main sections.

System Settings Configuration

Power Management Settings

Configuration options for system power management and OS behavior.

Boot and Security Settings

Settings related to system boot order and security features.

Overclocking (OC)

Settings for CPU and memory overclocking.

BIOS Update Utility (M-FLASH)

Procedure for updating the system BIOS using M-FLASH.

Hardware Monitor

Software Description

System Installation and Utilities

Guides for installing Windows, drivers, and system utilities.

System Monitoring Tools

GAMING APP

X-BOOST System Performance

X-BOOST Advance Features

MYSTIC LIGHT

SMART TOOL

Creating Windows Installation Media

SUPER RAID Utility

RAID Configuration

RAID Disk Management

Procedures for initializing, creating, deleting, and swapping RAID arrays.

Troubleshooting