ASRock M3A785GMH/128M Motherboard User Manual

The English version of the installation manual for the ASRock M3A785GMH/128M motherboard

Brand: ASRock
Category: Motherboard
Document type: User Manual
Language: English
Pages: 205
File format: PDF
File size: 5.2 MB
Published: 15 March, 2012
Updated: 30 September, 2023
Models: M128M, M3A785GMH, 128M
MD5 checksum: 5666659E2524F35800BDB72246DDBC92
PDF: ASRock M3A785GMH/128M Motherboard User Manual PDF

About this manual

This manual introduces the ASRock M3A785GMH/128M Micro‑ATX motherboard, covering package contents, safety notices, and an overview of its components. Detailed diagrams show the motherboard layout, rear panel I/O, and connector locations.

Further sections guide users through BIOS features, overclocking options, integrated graphics, audio, LAN, and storage interfaces. The document also lists technical specifications, supported CPUs, memory configurations, and troubleshooting tips.

What's inside

Introduction
Package Contents
Specifications
Motherboard Layout
Rear Panel I/O
Audio Output Connection
BIOS Features
Support CD
Unique Features
Hardware Monitoring

Specifications

Form Factor	Micro ATX (9.6‑in x 8.6‑in)
CPU Socket	AM3
Chipset	Northbridge AMD 785G, Southbridge AMD SB710
Memory Types	DDR3 800/1066/1333/1600 non‑ECC, un‑buffered
Audio Codec	Realtek ALC888 (7.1 CH HD Audio)
LAN	Realtek RTL8111 DL, Gigabit (10/100/1000 Mb/s) with Wake‑On‑LAN
BIOS	8 Mb AMI BIOS

Frequently asked questions

What CPU socket does the ASRock M3A785GMH/128M motherboard use?

It uses an AM3 CPU socket.

What LAN controller is used and does it support Gigabit speeds?

The motherboard uses a Realtek RTL8111 DL controller that provides 10/100/1000 Mb/s Gigabit Ethernet and Wake‑On‑LAN.

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