This manual introduces the characteristics and installation, use methods of the MACH770 TWIN V14B/MACH790GX TWIN V14 motherboard, and provides BIOS setting, driver installation and other instructions.
This manual provides a complete guide for the Colorful WangChi A770 TWIN V14B and A790GX TWIN V14 motherboards. It includes an introduction, hardware installation steps, driver installation instructions, BIOS configuration, and an appendix with additional technical information.
The document also lists the motherboard’s specifications, supported CPUs, memory types, expansion slots, storage interfaces, audio and network features, as well as safety and regulatory information. This manual is written in Chinese.
| Form factor | ATX |
|---|---|
| Chipset | AMD RX780+SB700/SB710/AMD 790GX+SB750 |
| CPU socket | AMD Socket AM2/AM3 |
| Memory slots | 4 DIMM slots (2 DDR2, 2 DDR3) |
| Supported memory | DDR3 1333/1066 MHz or DDR2 667/800/1066 MHz (cannot mix) |
| IDE ports | 1 × IDE |
| Audio | Integrated 6‑channel HD audio controller |
| Network | Integrated Gigabit Ethernet (10/100/1000 Mbps) |
| BIOS | AMI Flash ROM |
| Recommended power supply | ATX 24‑pin, ≥400 W |
A 24‑pin ATX power supply of at least 400 W is recommended.
No. The board cannot mix DDR2 and DDR3 modules; only one type can be installed at a time.