Key facts
- Brand
- ASRock
- Model
- H77M
- Category
- Motherboard
- Industry
- Computers
- Documents
- 4
- Languages
- ZH · EN
- Last added
- 2012-05-10
Start here

ASRock H77M Motherboard User Manual
This user manual introduces the ASRock H77M motherboard, covering its hardware layout, supported CPUs, memory, storage, and connectivity options. It also points users to the support CD for detailed driver and utility information.
The document includes safety warnings, BIOS configuration guidance, connector pin‑out diagrams, and instructions for clearing CMOS, updating BIOS with Instant Flash, and using ASRock utilities such as XFast USB, XFast LAN, and APP Charger. This manual is written in Chinese.
ASRock H77M specifications
| Form factor | Micro ATX |
|---|---|
| CPU socket | LGA1155 |
| Supported memory | DDR3 1333/1600 non‑ECC, up to 6 GB |
| PCIe slot | PCIe 3.0 x16 |
| SATA3 ports | 2 |
| USB 3.0 ports | 2 |
| HDMI version | 1.4 |
| Audio codec | Realtek ALC898 |
| Integrated graphics support | Intel HD Graphics built‑in visual technology |
All ASRock H77M documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in these manuals
How many SATA3 ports are available on the board?
The motherboard provides two SATA3 ports for high‑speed storage devices.
Does the motherboard include built‑in graphics support?
Yes, it supports Intel HD Graphics built‑in visual technology for integrated graphics output.
What CPU socket does the ASRock H77M motherboard use?
It uses an LGA1155 socket.
What is the maximum memory supported by this board?
The board supports up to 16 GB of DDR3 memory across its two DIMM slots.
Which CPUs enable PCIe Gen 3 speed on this motherboard?
Only Ivy Bridge CPUs provide Gen 3 speed on the primary PCIe x16 slot; Sandy Bridge CPUs are limited to Gen 2.
How many SATA3 ports does the ASRock H77M motherboard provide?
It provides two SATA3 6.0 Gb/s connectors for high‑speed storage devices.
