M3N78D User Manual, Introduce the features and characteristics of the products
This manual guides users through the hardware installation of the ASRock M3N78D ATX motherboard, including CPU, memory, and expansion slot setup. It also details BIOS configuration, overclocking features, and the contents of the support CD.
Additional sections cover operating system installation, driver and utility installation, and troubleshooting tips such as hot‑plug SATA handling and power‑saving options.
| Form Factor | ATX (12.0‑in x 7.5‑in, 30.5 cm x 19.1 cm) |
|---|---|
| CPU Socket | Socket AM3 |
| Supported CPUs | AMD Phenom II X4/X3/X2, Athlon II X4/X3/X2, Sempron (except 920/940) |
| Maximum CPU Power | 140 W |
| Chipset | NVIDIA nForce 720D |
| Memory Slots | 4 × DDR3 DIMM (dual‑channel) |
| Maximum Memory Capacity | 16 GB |
| Supported Memory Speeds | DDR3 800‑1800 MHz (non‑ECC, unbuffered) |
| Audio Codec | VIA VT1718S 7.1‑channel HD Audio |
| LAN | Gigabit Ethernet (Realtek RTL8211CL) |
The motherboard supports Microsoft Windows 7/7 64‑bit, Vista/ Vista 64‑bit, Windows XP, XP Media Center, and XP 64‑bit.
The board provides four SATAII 3.0 Gb/s connectors that support RAID (0, 1, 0+1, 5, JBOD), NCQ, AHCI, and Hot‑Plug functions.
It uses the NVIDIA nForce 720D chipset.