GA-870A-USB3 AM3 motherboard user manual, introduces the hardware installation, BIOS settings and driver installation of the motherboard
This manual provides detailed information for the GA-870A-USB3 motherboard, including product specifications, hardware installation steps, BIOS configuration, driver installation and unique features such as Xpress Recovery and Cloud OC. It also contains safety notices, warranty information and contact details for Gigabyte technical support.
The guide walks users through CPU and cooler mounting, memory module installation, expansion‑card placement, and connection of SATA, USB and audio devices. Subsequent chapters describe BIOS menus, power‑management settings, and troubleshooting procedures to help resolve common issues. This manual is written in Chinese.
| CPU socket | AM3 |
|---|---|
| Supported CPUs | AMD Phenom™ II, AMD Athlon™ II |
| Chipset (Northbridge) | AMD 870 |
| Chipset (Southbridge) | AMD SB850 |
| Memory slots | 4 DDR3 DIMM slots (1.5 V) |
| Maximum memory | 16 GB |
| Audio codec | Realtek ALC889 |
| LAN controller | Realtek RTL8111E (10/100/1000 Mbit) |
| SATA ports | 6 × SATA 6 Gb/s (RAID/AHCI supported) |
It supports AMD Phenom™ II and AMD Athlon™ II processors for the AM3 socket.
The board provides two USB 3.0/2.0 ports.
There are six SATA 6 Gb/s connectors, supporting RAID 0/1/5/10 and JBOD.
It has four DDR3 DIMM slots and can support up to 16 GB of memory.