ASRock A785GXH/128M Motherboard Installation Guide

This document provides the installation guide for the ASRock A785GXH/128M motherboard, including the features and characteristics of the product.

Brand: ASRock
Category: Motherboard
Document type: User Manual
Language: English
Pages: 198
File format: PDF
File size: 5.3 MB
Published: 02 May, 2012
Updated: 29 September, 2023
Models: A128M, A785GXH, 128M
MD5 checksum: 7F01C88E411930B38C276F20F04DDA1E
PDF: ASRock A785GXH/128M Motherboard Installation Guide PDF

About this manual

This guide introduces the ASRock A785GXH/128M motherboard, its package contents, and key specifications such as the ATX form factor, supported CPUs, memory types, and chipset details. It also shows the motherboard layout, rear panel I/O, and connector descriptions.

The manual walks through installation steps, BIOS feature configuration, audio setup, and unique ASRock features like OC Tuner and Instant Boot. Safety warnings, cautions for overclocking, and troubleshooting tips are included to help users build a stable system.

What's inside

Introduction
Package Contents
Specifications
Motherboard Layout
Rear Panel I/O
BIOS Features
Audio Configuration
Unique Features
Warning and Caution
Overclocking Technology

Specifications

Form Factor	ATX (12.0‑in x 8.4‑in)
CPU Socket	AM2+ / AM3
Chipset	Northbridge AMD 785G, Southbridge AMD SB710
Memory Slots	4 x DDR2 DIMM slots (dual‑channel)
SATA Connectors	6 x Serial ATAII 3.0 Gb/s ports
Integrated Graphics	AMD Radeon HD 4200, up to 512 MB shared memory
LAN Controller	Realtek RTL8111DL Gigabit LAN

Frequently asked questions

What CPU sockets does the A785GXH/128M motherboard support?

It supports AM2+ and AM3 sockets for AMD Phenom, Athlon, and Sempron processors.

How many USB 2.0 ports are available on the rear panel?

The rear panel provides four ready‑to‑use USB 2.0 ports.

Which LAN controller is integrated on the board?

The board includes a Realtek RTL8111DL Gigabit LAN controller.

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