This document is the installation guide for ASRock A785GMH/128M motherboard, including copyright notice and disclaimer. The document provides information and specifications about the motherboard, and emphasizes ASRock's disclaimer of any warranties.
This manual covers everything needed to install and configure the ASRock A785GMH/128M motherboard, including a detailed layout diagram, connector descriptions, and step‑by‑step hardware installation instructions. It also explains BIOS features, over‑clocking cautions, and how to use the support CD drivers and utilities.
Key sections describe the supported CPUs, memory configurations, expansion slots, integrated graphics, audio, LAN, and storage interfaces, along with safety warnings and warranty information. The document is intended for end users and system builders who need to set up the board correctly and understand its capabilities.
| Form Factor | Micro ATX (9.6" x 8.6") |
|---|---|
| CPU Socket | AM2+, AM2, AM3 |
| Chipset | Northbridge AMD 785G, Southbridge AMD SB710 |
| Memory Slots | 4 DDR2 DIMM slots, up to 16 GB |
| Maximum Memory Speed | DDR2 1066 MHz |
| Expansion Slots | 1× PCIe 2.0 x16, 1× PCIe 2.0 x1, 2× PCI |
| Integrated Graphics | AMD Radeon HD 4200, up to 512 MB shared memory |
| Audio Codec | VIA VT1708S, 7.1‑channel HD Audio |
| LAN | Gigabit Ethernet (Realtek RTL8111DL) |
| SATA Connectors | 6 × SATA 3.0 Gb/s ports |
| BIOS | 8 Mb AMI BIOS |
The board supports Socket AM2+, AM2 and AM3 processors, covering AMD Phenom, Athlon, and Sempron families.
It provides four DDR2 DIMM slots with a maximum system memory capacity of 16 GB.
The motherboard includes an integrated AMD Radeon HD 4200 graphics processor with up to 512 MB of shared memory.
It features a PCIe x1 Gigabit LAN controller (Realtek RTL8111DL) supporting 10/100/1000 Mb/s and Wake‑On‑LAN.