Key facts
- Brand
- ASUS
- Model
- M3A
- Category
- Other Computer Accessories
- Documents
- 6
- Languages
- EN
- Last added
- 2012-05-04
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ASUS M3A User Manual
This guide covers safety precautions, package contents, and hardware information for the ASUS M3A motherboard, including CPU installation, memory configuration, and expansion slot details. It also explains power‑up procedures and proper handling to avoid electrical hazards.
Later sections describe BIOS setup utilities, system configuration options, and software support such as creating RAID driver disks for Windows XP/Vista. Detailed steps for installing drivers and using ASUS utilities are included.
ASUS M3A specifications
| CPU Socket | AMD Socket AM2+ / AM2 |
|---|---|
| Supported CPUs | AMD Phenom™ FX / Phenom / Athlon™ / Sempron™ |
| Chipset | AMD 780G / SB700 |
| Memory Capacity | Max 8 GB DDR2 (4 DIMM slots) |
| Expansion Slots | 1 PCIe x16, 2 PCIe x1, 3 PCI |
| Integrated GPU | ATI Radeon™ HD 3200 |
| Maximum Shared Memory | 256 MB |
| SATA Ports | 6 × SATA 3 Gb/s (RAID 0,1,10) |
| Audio Codec | Realtek® ALC1200 8‑Channel HD Audio |
| USB Ports | 12 USB 2.0/1.1 ports (4 rear, 8 via connectors) |
Source: ASUS M3A78 PRO User Manual
All ASUS M3A documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What CPU sockets are supported by the M3A78 PRO?
The motherboard supports AMD Socket AM2+ and AM2 processors.
How many SATA ports does the board provide?
It provides six SATA 3 Gb/s ports with RAID 0, 1, and 10 support.
How do you save BIOS changes and exit the setup?
Select the "Exit & Save Changes" option, which stores the selected values to the CMOS RAM.
How can you exit the BIOS setup without saving changes?
Choose "Exit & Discard Changes" to discard any modifications and restore the previously saved values.
Will the product warranty be extended if the motherboard is repaired?
No, the warranty is not extended if the product is repaired, modified, or altered without ASUS written permission.
What should I do to avoid electrical shock when moving the system?
Disconnect the power cable from the electrical outlet before relocating the system.