1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the MSI A58M-E33 Micro ATX Motherboard. Please read this manual thoroughly before proceeding with installation to ensure proper setup and optimal performance of your system.
2. Product Overview
The MSI A58M-E33 is a Micro ATX motherboard designed for AMD A-series and Athlon processors, utilizing the Socket FM2+ interface and AMD A58 chipset. It supports DDR3 memory up to 2133 MHz and offers various expansion options.
2.1 Key Features
- Socket FM2+ for AMD A-series/Athlon processors
- AMD A58 chipset
- Micro ATX form factor
- 1 PCI-E x16 slot, 1 PCI-E x1 slot, and 1 PCI slot
- 1 HDMI and 1 VGA output
- Military Class Essentials for enhanced stability
- Military Class 4 Components for durability
- OC Genie 4 for easy overclocking
2.2 Motherboard Layout
Below is an overview of the MSI A58M-E33 motherboard, highlighting key components and connectors.

Figure 1: Top-down view of the MSI A58M-E33 Micro ATX Motherboard. This image displays the CPU socket, DDR3 memory slots, PCI Express slots, SATA ports, and various headers.

Figure 2: Rear I/O panel of the MSI A58M-E33 Motherboard. This image shows the PS/2 ports, USB 2.0 ports, VGA port, HDMI port, LAN port, and audio jacks.
3. Setup
Follow these steps for proper installation of your MSI A58M-E33 motherboard and its components.
3.1 CPU Installation
- Locate the Socket FM2+ on the motherboard.
- Open the CPU socket lever.
- Carefully align the CPU with the socket, ensuring the golden triangle on the CPU matches the triangle on the socket.
- Gently place the CPU into the socket without forcing it.
- Close the CPU socket lever to secure the CPU.
- Apply thermal paste and install the CPU cooler according to its manufacturer's instructions.
3.2 RAM Installation
- Identify the DDR3 DIMM slots.
- Open the clips at both ends of the DIMM slot.
- Align the notch on the DDR3 memory module with the key in the DIMM slot.
- Insert the memory module firmly into the slot until the clips snap into place.
3.3 Storage Device Installation
Connect your SATA storage devices (HDDs, SSDs) to the SATA 3Gb/s ports on the motherboard using SATA data cables. Ensure power cables from your power supply are also connected to these devices.
3.4 Expansion Card Installation
Insert PCI-E x16, PCI-E x1, or PCI expansion cards into their respective slots. Press firmly until the card is seated correctly and secure it with a screw to the chassis.
3.5 Power Connections
Connect the 24-pin ATX main power connector and the 4-pin ATX 12V CPU power connector from your power supply to the corresponding ports on the motherboard.
3.6 Front Panel Connections
Connect the front panel headers (power button, reset button, HDD LED, power LED, front USB, front audio) to the corresponding pins on the motherboard. Refer to the motherboard diagram for correct pin assignments.
4. Operating
Once all components are installed and connected, you can proceed with system operation.
4.1 Initial Boot and BIOS Setup
- Power on your system.
- Press the DEL key repeatedly during startup to enter the BIOS/UEFI setup utility.
- Configure boot order, system time, and other necessary settings. Save changes and exit.
4.2 Operating System Installation
Insert your operating system installation media (USB drive or DVD) and follow the on-screen instructions to install your preferred operating system. Ensure all necessary drivers are installed after the OS installation for full functionality.
5. Maintenance
Regular maintenance helps ensure the longevity and stable performance of your motherboard.
5.1 Cleaning
Periodically clean dust from the motherboard and components using compressed air. Ensure the system is powered off and unplugged before cleaning. Avoid using liquids or abrasive materials.
5.2 BIOS Updates
Check the official MSI website for the latest BIOS updates. BIOS updates can improve system stability, compatibility, and performance. Follow the provided instructions carefully when updating the BIOS to avoid system damage.
6. Troubleshooting
This section addresses common issues you might encounter.
6.1 No Power / No Boot
- Verify all power cables (24-pin ATX, 4-pin CPU) are securely connected.
- Ensure the power supply is switched on and functioning correctly.
- Check front panel power button connection.
6.2 No Display
- Ensure the monitor is connected to the correct video output (VGA or HDMI) on the motherboard or discrete graphics card.
- Verify RAM modules are properly seated. Try reseating them or testing with one module at a time.
- If using a discrete graphics card, ensure it is properly seated and has adequate power.
6.3 Component Not Detected
- Check physical connections for the component (e.g., SATA cables for storage, PCI-E slot for expansion cards).
- Ensure the component is compatible with the motherboard.
- Update drivers for the component and motherboard chipset.
6.4 BIOS Beep Codes
If your system emits a series of beeps during startup, these are often BIOS beep codes indicating a specific hardware issue. Refer to the motherboard's detailed manual or MSI's support website for a list of beep code meanings.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | MSI |
| Model Name | A58M-E33 |
| CPU Socket | Socket FM2+ |
| Compatible Processors | AMD A-Series, AMD Athlon |
| Chipset Type | AMD A58 |
| RAM Memory Technology | DDR3 |
| Memory Clock Speed | 2133 MHz |
| Memory Storage Capacity (Max) | 32 GB |
| Number of USB 2.0 Ports | 4 (rear) |
| Product Dimensions (LxWxH) | 9.3 x 8.1 x 2.2 inches |
| Item Weight | 1 pounds |
| Platform | Windows 10 (compatible) |
8. Warranty Information
This MSI A58M-E33 Motherboard is covered by a manufacturer's warranty. For specific terms, conditions, and duration of the warranty, please refer to the warranty card included with your product or visit the official MSI website. Keep your proof of purchase for warranty claims.
9. Support
For further assistance, technical support, driver downloads, or BIOS updates, please visit the official MSI support website:
You may also consult the comprehensive user manual available for download on the MSI product page for more detailed information.







