ASRock B365 PRO4

ASRock B365 PRO4 ATX Motherboard Instruction Manual

Model: B365 PRO4

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your ASRock B365 PRO4 ATX Motherboard. Please read this manual thoroughly before proceeding with installation to ensure correct setup and to prevent damage to the components.

The ASRock B365 PRO4 motherboard supports 9th and 8th Generation Intel Core Processors, offering a robust platform for personal computing. It features a Digi Power Design with an 8 Power Phase Design, ensuring stable power delivery to the CPU.

2. Safety Information

  • Always disconnect the power supply before installing or removing any components.
  • Wear an anti-static wrist strap to prevent electrostatic discharge (ESD) damage to sensitive components.
  • Handle the motherboard by its edges to avoid touching sensitive components.
  • Ensure proper ventilation within your PC case to prevent overheating.
  • Keep the motherboard away from moisture and extreme temperatures.

3. Setup and Installation

3.1 Package Contents

Verify that all items are present in the package:

  • ASRock B365 PRO4 Motherboard
  • Quick Installation Guide
  • Support CD
  • I/O Shield
  • 2 x SATA Data Cables
  • 3 x Screws for M.2 Sockets
  • 1 x Standoff for M.2 Socket
ASRock B365 PRO4 Motherboard package contents

Image: ASRock B365 PRO4 Motherboard and its included accessories, including the quick installation guide, support CD, I/O shield, SATA cables, and M.2 screws/standoff.

3.2 Motherboard Layout

Familiarize yourself with the key components and connectors on the motherboard.

ASRock B365 PRO4 Motherboard top view

Image: Top-down view of the ASRock B365 PRO4 Motherboard, highlighting the CPU socket, RAM slots, PCIe slots, and M.2 slots.

ASRock B365 PRO4 Motherboard angled view

Image: Angled view of the ASRock B365 PRO4 Motherboard, showing the heatsinks and various connectors.

3.3 CPU Installation (LGA1151)

  1. Open the CPU socket lever and lift the load plate.
  2. Carefully align the CPU with the socket, ensuring the golden triangle on the CPU matches the triangle on the socket.
  3. Gently place the CPU into the socket without forcing it.
  4. Close the load plate and secure it with the lever.

3.4 Memory (RAM) Installation

The motherboard features 4 DDR4 DIMM slots, supporting dual-channel memory up to 64GB.

  1. Open the clips at both ends of the DIMM slot.
  2. Align the notch on the RAM module with the key in the DIMM slot.
  3. Insert the RAM module firmly until the clips snap into place.

3.5 Storage Device Installation

The motherboard supports 6 SATA3 ports and 2 Ultra M.2 ports.

  • SATA Drives: Connect SATA data cables to the SATA ports on the motherboard and to your storage devices (HDDs/SSDs). Connect power cables from your power supply to the devices.
  • M.2 SSDs: Locate the M.2 slots. Insert the M.2 SSD into the slot at an angle, then gently push it down and secure it with the provided screw and standoff.

3.6 Expansion Card Installation (PCIe)

The motherboard has 2 PCI-Express 3.0 x16 slots and 2 PCI-Express 3.0 x1 slots.

  1. Select an appropriate PCIe slot for your expansion card (e.g., graphics card).
  2. Remove the corresponding metal bracket from your PC case.
  3. Align the card with the slot and press firmly until it is seated correctly.
  4. Secure the card with a screw to the PC case.

3.7 Connecting Peripherals to the I/O Panel

The rear I/O panel provides various ports for connecting external devices.

ASRock B365 PRO4 Motherboard rear I/O panel

Image: Close-up view of the ASRock B365 PRO4 Motherboard's rear I/O panel, showing ports for PS/2, USB 2.0, USB 3.1 Gen 1, VGA, DVI-D, HDMI, LAN, and audio jacks.

  • USB Ports: Connect USB devices (keyboard, mouse, external drives) to the available USB 2.0 (5 ports) and USB 3.1 Gen 1 (8 ports, including 1 Type-C rear) ports.
  • Video Outputs: Connect your monitor to the VGA, DVI-D, or HDMI port.
  • LAN Port: Connect an Ethernet cable for network access.
  • Audio Jacks: Connect speakers, headphones, or microphones to the audio jacks.
  • PS/2 Port: Connect a PS/2 keyboard or mouse.

4. Operating Instructions

4.1 First Boot and BIOS Setup

  1. After assembling all components, connect the power supply and monitor.
  2. Power on your system. Press Del or F2 during startup to enter the BIOS/UEFI setup utility.
  3. Configure boot order, system time, and other necessary settings. Save changes and exit.
  4. Install your operating system from a bootable USB drive or optical media.

4.2 Driver Installation

After installing the operating system, install the necessary drivers from the provided Support CD or download the latest versions from the ASRock website. Key drivers include:

  • Chipset Drivers
  • Audio Drivers (Realtek ALC892)
  • LAN Drivers (Intel I219V Gigabit Ethernet)
  • Graphics Drivers (for integrated graphics or discrete GPU)

5. Maintenance

  • Dust Removal: Regularly clean dust from the motherboard and case fans using compressed air. Ensure the system is powered off and unplugged before cleaning.
  • BIOS Updates: Check the ASRock website periodically for BIOS updates. Updates can improve system stability and compatibility. Follow the instructions carefully when updating the BIOS.
  • Cable Management: Ensure cables are neatly routed to improve airflow and prevent interference.

6. Troubleshooting

  • No Power:
    • Check all power connections, including the 24-pin ATX and 8-pin 12V CPU power connectors.
    • Ensure the power supply switch is in the ON position.
  • No Display:
    • Verify that the monitor is connected to the correct video output (either integrated graphics or discrete GPU).
    • Reseat the graphics card and RAM modules.
  • System Instability/Crashes:
    • Check RAM modules for proper seating.
    • Ensure CPU cooler is properly installed and making good contact.
    • Update drivers and BIOS to the latest versions.
  • M.2 SSD Not Detected:
    • Ensure the M.2 SSD is correctly seated and secured.
    • Check BIOS settings to ensure M.2 slots are enabled and configured correctly (SATA vs. PCIe mode).

7. Specifications

FeatureDetail
CPU SocketLGA 1151
Compatible Processors9th/8th Generation Intel Core Processors (up to 95W)
ChipsetIntel B365
Memory4 x DDR4 DIMM slots, Dual Channel, Non-ECC, Buffered, Max 64GB (2666/2400/2133 MHz)
Expansion Slots2 x PCIe 3.0 x16, 2 x PCIe 3.0 x1
Multi-Graphics SupportAMD Quad CrossFireX and CrossFire Technology
Storage6 x SATA3 ports (RAID 0, 1, 5, 10), 2 x Ultra M.2 ports (PCIe Gen3 x4 & SATA3)
AudioRealtek ALC892 7.1-Channel HD Audio
LANIntel I219V Gigabit Ethernet
USB Ports8 x USB 3.1 Gen1 (1 Type-C rear, 5 rear, 2 via header), 5 x USB 2.0 (2 rear, 3 via header)
Video Outputs1 x VGA, 1 x DVI-D, 1 x HDMI
Form FactorATX (12.0 x 9.0 inch / 30.5 x 22.9 cm)

8. Warranty and Support

8.1 Warranty Information

The ASRock B365 PRO4 Motherboard comes with a 1-year limited warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty card included with your product or visit the official ASRock website.

Note: Damage caused by improper installation, misuse, unauthorized modifications, or natural disasters is not covered under warranty.

8.2 Technical Support

For technical assistance, driver downloads, BIOS updates, or further troubleshooting, please visit the official ASRock support website:

ASRock Support Website

You may also contact ASRock customer service directly through their website for personalized support.

© 2026 ASRock Inc. All rights reserved. Specifications are subject to change without notice.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.