Installation guide for ASRock 890GX Extreme3 motherboard, providing information on the features and characteristics of the product.
This guide introduces the ASRock 890GX Extreme3 motherboard, detailing its ATX form factor, component layout, and package contents. It includes a full hardware diagram, descriptions of connectors, slots, and headers, and explains how to install the CPU, memory, and storage devices.
Later sections cover BIOS features, unique ASRock technologies, supported CPUs and memory types, and troubleshooting tips such as using the Clear CMOS switch. The manual also lists specifications for the chipset, graphics, audio, LAN, USB, and SATA interfaces, and provides certification information.
| Form Factor | ATX (12.0‑in x 9.6‑in, 30.5 cm x 24.4 cm) |
|---|---|
| CPU Socket | AM3 |
| Supported CPUs | AMD Phenom II X4/X3/X2, Athlon II X4/X3/X2, Sempron (except 920/940) |
| Chipset | Northbridge AMD 890GX, Southbridge AMD SB850 |
| Memory Slots | 4 × DDR3 DIMM slots (dual‑channel) |
| Maximum Memory Capacity | 16 GB |
| SATA Ports | 6 × SATA3 6 Gb/s connectors (RAID supported) |
| LAN | Gigabit Ethernet (Realtek RTL8111E) |
| Audio Codec | VIA VT2020, 7.1‑channel HD audio |
It uses an AM3 socket for AMD processors.
The northbridge is AMD 890GX and the southbridge is AMD SB850.