MSI PRO B660M-A CEC WIFI - User Manual

1
󸛚󳿜 Contents
Contents
3
4
 10
 11
CPU Socket ...............................................................................................................12
DIMM Slots................................................................................................................13
PCI_E1~4: PCIe Expansion Slots ..............................................................................14
JFP1, JFP2: Front Panel Connectors .......................................................................15
JAUD1: Front Audio Connector ................................................................................15
SATA5~8, SATA_A1& SATA_B1: SATA 6Gb/s Connectors .......................................16
M2_1~2: M.2 Slot (Key M) .........................................................................................16
ATX_PWR1, CPU_PWR1~2: Power Connectors .......................................................17
JUSB1~2: USB 2.0 Connectors .................................................................................18
JUSB3: USB 3.2 Gen 1 Connector ............................................................................18
JUSB4: USB 3.2 Gen 1 Type-C Connector ................................................................19
JLPT1: Parallel Port Connector ...............................................................................19
CPU_FAN1, PUMP_FAN1, SYS_FAN1~2: Fan Connectors ......................................20
JTPM1: TPM Module Connector ...............................................................................20
JCI1: Chassis Intrusion Connector ...........................................................................21
JDASH1: Tuning controller Connector .....................................................................21
JBAT1: Clear CMOS (Reset BIOS) Jumper ...............................................................22
JCOM1: Serial Port Connector .................................................................................22
JRGB1: RGB LED connector .....................................................................................22
JRAINBOW1~2: Addressable RGB LED connectors ................................................23
EZ Debug LED ...........................................................................................................23
24
Installing Windows 10/ Windows 11 .........................................................................24
Installing Drivers ......................................................................................................24
MSI Center ................................................................................................................24
Thank you for purchasing the MSI® 
motherboard. This User Guide gives information about
board layout, component overview, BIOS setup and software
installation.
Downloaded from ManualsNet.com search engine

MSI PRO B660M-A CEC WIFI Specifications

General

Chipset	Intel B660
Form Factor	Micro ATX
Socket	LGA 1700
Memory Type	DDR4
Memory Slots	4
Max Memory	128 GB
PCIe x16 Slots	1
PCIe x1 Slots	2
M.2 Slots	2
SATA Ports	4
Wi-Fi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2
Audio	Realtek ALC897
Memory Speed	3200MHz (OC)
Video Outputs	1x HDMI, 1x DisplayPort
LAN	Realtek RTL8125B 2.5Gbps LAN
USB Ports	6 (USB 3.2 Gen 1), 6 (USB 2.0)

Summary

Safety Information

General Safety Precautions

General safety guidelines for handling the motherboard.

Environmental and Usage Warnings

Warnings about humidity, electrical outlets, and temperature.

Specifications

CPU and Chipset

Details on CPU socket and chipset.

Memory and Expansion Slots

Information on RAM slots and PCIe slots.

Onboard Graphics, Audio, and LAN

Specs for integrated graphics, audio, and LAN.

Wireless LAN & Bluetooth

Details on Wi-Fi and Bluetooth modules.

Storage and RAID

Information on SATA and M.2 storage, and RAID.

USB Connectivity

Details on USB ports and controllers.

Internal Connectors

List of internal connectors.

LED Features

Information on LED connectors.

Back Panel Connectors

List of back panel connectors.

I;O Controller and Form Factor

Specs for I/O chip and motherboard dimensions.

BIOS Features and Software

Overview of BIOS features and included software.

MSI Center Features

List of functionalities within MSI Center.

Special Features

Performance, protection, and experience enhancing features.

Rear I;O Panel

Rear I;O Panel Layout

Diagram showing the rear panel ports.

LAN Port LED Status

Explanation of LAN port LED indicators.

Audio 7.1-channel Configuration

Steps to configure 7.1 channel audio.

Overview of Components

Motherboard Component Layout

Diagram showing component placement.

CPU Socket

Guide for installing the CPU.

DIMM Slots

Instructions for installing RAM modules.

PCIe Expansion Slots

Description of PCIe slot configurations.

Front Panel Connectors (JFP1, JFP2)

Details for JFP1 and JFP2.

Front Audio Connector (JAUD1)

Details for JAUD1.

SATA 6 Gb;s Connectors

Information about SATA ports.

M.2 Slot (Key M)

Guide for installing M.2 SSDs.

Power Connectors (ATX_PWR1, CPU_PWR1~2)

Details for ATX and CPU power connectors.

USB 2.0 Connectors (JUSB1~2)

Information on JUSB1~2.

USB 3.2 Gen 1 Connector (JUSB3)

Information on JUSB3.

USB 3.2 Gen 1 Type-C Connector (JUSB4)

Information on JUSB4.

Parallel Port Connector (JLPT1)

Details for JLPT1.

Fan Connectors (CPU_FAN1, PUMP_FAN1, SYS_FAN1~2)

Information on fan connectors.

TPM Module Connector (JTPM1)

Details for JTPM1.

Chassis Intrusion Connector (JCI1)

Information on JCI1.

Tuning Controller Connector (JDASH1)

Details for JDASH1.

Clear CMOS Jumper (JBAT1)

Information on JBAT1.

Serial Port Connector (JCOM1)

Details for JCOM1.

RGB LED Connector (JRGB1)

Information on JRGB1.

Addressable RGB LED Connectors (JRAINBOW1~2)

Details for JRAINBOW1~2.

EZ Debug LED

Explanation of debug LEDs.

Installing OS, Drivers & MSI Center

Installing Windows 10; Windows 11

Steps to install the OS.

Installing Drivers

Steps to install system drivers.

MSI Center Overview

Description of the MSI Center application.

UEFI BIOS

UEFI BIOS Introduction

Introduction to UEFI BIOS.

UEFI Advantages

Benefits of using UEFI.

Incompatible UEFI Cases

Scenarios where UEFI might not be compatible.

Checking BIOS Mode

How to verify the current BIOS mode.

BIOS Setup Guide

General advice on BIOS settings.

Entering BIOS Setup

Method to access BIOS.

BIOS User Guide Reference

Pointer to a more detailed BIOS guide.

Resetting BIOS Defaults

Methods to reset BIOS settings.

Updating BIOS

Procedures for updating BIOS.

Regulatory Notices

Compliance Certifications

Covers FCC, CE, KC, C-Tick statements.

Battery and Waste Disposal

Covers EU, Taiwan, California battery and disposal rules.

WEEE Directive Compliance

European directive on waste electrical equipment.

Radio Frequency and EMF Compliance

Covers RF use, EMF, restrictions, and bands/power.

Chemical Substances and Environmental Policy

Covers chemical substances, environmental policy, and RoHS compliance.

Technical Support Information

How to get technical assistance.