This document is the user manual for ASRock INC.'s 11111 939A785GMH, version 1.0, published in August 2011. The document is copyrighted by ASRock INC. The products mentioned in the document may or may not be registered trademarks or copyrights of ASRock INC. or other companies, and are used for identification or explanation purposes without intent to infringe. The specifications and information in the document are provided for informational use only and are subject to change. ASRock assumes no responsibility for any errors or omissions in the document. ASRock does not provide any warranties, either expressed or implied, including but not limited to implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, etc.).
This manual introduces the ASRock 939A785GMH motherboard, a Micro ATX board featuring solid capacitors, AMD 785G northbridge, and integrated Radeon HD 4200 graphics. It outlines package contents, specifications, and hardware layout, and guides users through installation of the CPU, memory, and expansion cards.
The document also covers BIOS configuration, operating system installation, and the support CD utilities. Detailed sections describe SATA connectors, RAID options, audio and LAN ports, as well as safety and regulatory notices.
| Form Factor | Micro ATX (9.6" x 8.6") |
|---|---|
| CPU Socket | Socket 939 for AMD Athlon™ 64FX/64X2/64 |
| Chipset | Northbridge AMD 785G, Southbridge AMD SB710 |
| Audio Codec | Realtek ALC888, 7.1‑channel HD Audio |
| LAN | Realtek RTL8111DL Gigabit Ethernet |
| SATA Connectors | 5 × SATA2 3.0 Gb/s (RAID, NCQ, Hot Plug) |
| BIOS | 8 Mb AMI BIOS |
The board supports Microsoft Windows 7/7 64‑bit, Vista/ Vista 64‑bit, Windows XP/XP 64‑bit, and XP Media Center.
It provides five SATA2 3.0 Gb/s connectors with RAID, NCQ, and Hot Plug support.
The board uses an 8 Mb AMI BIOS.
The integrated Radeon HD 4200 graphics can use up to 512 MB of shared system memory.