ASROCK B660M Steel Legend User Manual

Version 1.0
Published December 2021
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ASROCK B660M Steel Legend Specifications

General

Processor socket	LGA 1700
Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium
Maximum number of SMP processors	1
Audio chip	Realtek ALC897
Component for	PC
Motherboard chipset	Intel B660
PC health monitoring	CPU, FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
S/PDIF out port	Yes
DVI-D ports quantity	0
USB 2.0 ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
Number of SATA III connectors	6
Wi-Fi	No
LAN controller	Dragon RTL8125BG
Ethernet interface type	2.5 Gigabit Ethernet
BIOS type	UEFI AMI
ACPI version	6.0
BIOS memory size	128 Mbit
System Management BIOS (SMBIOS) version	2.7
Memory channels	Dual-channel
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	5000 MHz
Cables included	SATA
Maximum resolution	7680 x 4320 pixels
Parallel processing technology support	-
RAID levels	0, 1, 5, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
Harmonized System (HS) code	84733020

Weight and Dimensions

Width	244 mm

Summary

Chapter 1 Introduction

1.1 Package Contents

Lists all items included in the motherboard package, such as the motherboard itself, guides, and accessories.

1.2 Specifications

Details the technical specifications of the motherboard, including platform, CPU, chipset, memory, and expansion slots.

Chapter 2 Installation

Pre-installation Precautions

Essential safety and handling guidelines to follow before installing motherboard components to prevent damage and ensure proper setup.

2.1 Installing the CPU

Step-by-step instructions and visual aids for correctly installing the CPU onto the motherboard socket.

2.2 Installing the CPU Fan and Heatsink

Guide on how to properly mount the CPU cooler and heatsink, including thermal paste application and fan connection.

2.3 Installing Memory Modules (DIMM)

Instructions for inserting DDR4 memory modules into the DIMM slots, including dual-channel configuration details.

2.4 Expansion Slots (PCIe Slots)

Information on the available PCIe slots (PCIe 5.0 x16, PCIe 3.0 x1) and their intended uses for expansion cards.

2.5 Jumpers Setup

Explanation of jumper configurations, specifically detailing the Clear CMOS jumper (CLRMOS1) and its function.

2.6 Onboard Headers and Connectors

Overview of system panel, chassis intrusion, speaker headers, and their pin assignments for system integration.

2.7 Smart Switch

Details on the BIOS Flashback Button functionality, allowing users to update BIOS without powering on the system.

2.8 Post Status Checker

Explanation of the Post Status Checker (PSC) feature which indicates system component status during boot-up.

2.9 M.2 WiFi/BT PCIe WiFi Module and Intel® CNVi (Integrated WiFi/BT) Installation Guide

Instructions for installing M.2 WiFi/BT modules or Intel® CNVi modules into the M.2 E-key slot.

2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1)

Steps for installing M.2 SSD modules into the M.2_1 slot, including heatsink installation and securing the drive.

2.11 M.2_SSD (NGFF) Module Installation Guide (M2_2)

Instructions for installing M.2 SSD modules into the M.2_2 slot, covering standoff placement and securing the drive.

2.12 ASRock Polychrome SYNC

Guide to the ASRock Polychrome SYNC utility for customizing RGB lighting effects on the motherboard.