939A785GMH/128M User Manual
This manual provides step‑by‑step instructions for installing the ASRock 939A785GMH/128M Micro ATX motherboard, including CPU, memory, and expansion cards. It also details the BIOS setup utility, overclocking features, and software support tools.
Additional sections cover hardware specifications, I/O panel layout, SATA and RAID configuration, and operating system installation guidance, along with safety warnings and regulatory information.
| 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 |
| Memory | 4 DDR DIMM slots, up to 4 GB, DDR 400/333/266 non‑ECC |
| Expansion Slots | 1 × PCIe 2.0 x16, 1 × PCIe 2.0 x1, 2 × PCI |
| Audio | 7.1‑channel HD Audio (ALC888 codec) |
| LAN | Realtek RTL8111DL Gigabit Ethernet, Wake‑On‑LAN |
| BIOS | 8 Mb AMI BIOS with Plug‑and‑Play, ACPI 1.1 |
It uses a Socket 939 designed for AMD Athlon 64FX, 64X2, and 64 processors.
The board provides five SATAII 3.0 Gb/s connectors that support RAID, NCQ, AHCI, and hot‑plug functions.
It ships with an 8 Mb AMI BIOS that includes Plug‑and‑Play and ACPI 1.1 support.
Yes, it includes an HDMI port that can display up to 1920 × 1200 (1080 p) resolution.