ASRock 890GX Pro3 Motherboard
This guide covers the hardware installation of the ASRock 890GX Pro3 motherboard, including package contents, connector layout, and detailed instructions for mounting the CPU, memory, and expansion cards. It also explains BIOS features, power‑on procedures, and how to configure the system for optimal performance.
Additional sections describe the rear I/O panel, audio and LAN connections, SATA and USB ports, and the process for installing Windows on drives larger than 2 TB using the UEFI BIOS. Safety warnings and FCC/California compliance notes are also included.
| Form Factor | ATX (12.0‑in x 9.6‑in) |
|---|---|
| CPU Socket | AM3+ (supports AM3+ and AM3 processors) |
| Chipset | Northbridge AMD 890GX, Southbridge AMD SB850 |
| Memory Slots | 4 DDR3 DIMM slots, max 32 GB |
| Maximum Memory Capacity | 32 GB |
| SATA Ports | 5 × SATA 6.0 Gb/s connectors (RAID supported) |
| USB 3.0 Ports | 2 × USB 3.0 ports (up to 5 Gb/s) |
| LAN | Gigabit LAN (PCIe x1, 10/100/1000 Mb/s, Atheros AR8151) |
| Integrated Graphics | AMD Radeon HD 4290, up to 1920×1200 (HDMI) |
| Audio Codec | Realtek ALC892, 7.1 CH HD Audio |
It provides five SATA 6.0 Gb/s connectors that support RAID, NCQ, AHCI, and hot‑plug functions.
The board uses an AM3+ CPU socket and supports both AM3+ and AM3 processors.
Enable UEFI BIOS, set SATA mode to AHCI, press F11 at POST, and choose the “UEFI:xxx” boot option to start the Windows installation.
It is an ATX form‑factor board measuring 12.0 in × 9.6 in.