Key facts
- Brand
- VIA
- Model
- KT400A
- Category
- Motherboard
- Industry
- Computers
- Documents
- 2
- Languages
- ZH · EN
- Last added
- 2012-04-05
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VIA KT400A Mainboard User's Manual
This manual introduces the VIA KT400A mainboard, listing package contents and an overview of supported AMD Athlon™ Socket A processors. It describes the board’s form‑factor, connectors, optional features such as LAN and Serial ATA, and includes a system block diagram.
The document covers detailed installation procedures, jumper settings, memory configuration, BIOS setup options, driver installation, and a comprehensive POST code FAQ. Appendices provide additional utilities, BIOS update instructions, and low‑level hardware initialization details.
VIA KT400A specifications
| CPU socket | 462‑pin AMD Socket A |
|---|---|
| Supported CPUs | AMD Athlon XP 1500+ to 2700+ (266/333 MHz) |
| Chipset | VIA KT400A + VT8237 |
| Memory types | DDR‑266/333/400 |
| Integrated LAN | 10/100 Mbps Ethernet |
| Audio codec | Realtek ALC655 AC’97 |
| BIOS size | 3 GB BIOS |
All VIA KT400A documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What CPU socket does the motherboard use?
It uses a 462‑pin AMD Socket A.
Which processors are supported?
The board supports AMD Athlon XP CPUs ranging from 1500 MHz to 2700 MHz (266/333 MHz bus).
How can an overclock error (POST code 26h) be cleared?
Clear the CMOS or press the insert key to power on the system.