Specifications
2
Key Features 
This motherboard has the following key features: 
Socket-462 Processor Support 
♦  Supports AMD Athlon XP/Sempron/Athlon/Duron 
processors 
♦  Supports 400 MHz Front-Side Bus (with NB KM400A)  
 or 333 MHz Front-Side Bus (with NB KM400) 
Chipset 
There are VIA KM400A/400 Northbridge and VT8237/8235CE 
Southbridge in this chipset in accordance with an innovative and 
scalable architecture with proven reliability and performance. 
Northbridge Front-Side Bus  DDR 
KM400A  400 MHz  400 MHz 
KM400  333 MHz  333 MHz 
Note: There will be two extra USB connectors (USB2 & USB3) and two 
Serial ATA connectors (J4 & J5) when SB is VT8237; only one 
extra USB connector (USB2) when SB is VT8235CE. 
Memory Support 
♦  Two 184-pin DIMM sockets for DDR memory modules 
♦  Support DDR 400(only for VIA KM400A)/333/266 
memory 
♦  Maximum installed memory is 2GB 
Expansion Slots 
♦  One 8X AGP slot for AGP 3.0-compliant interface 
♦  One CNR (Communications and Networking Riser) slot to 
insert special riser cards with Audio/Modem functionality 
♦  Two 32-bit PCI slots for PCI 2.2-compliant bus interface 
Onboard IDE channels 
♦  Primary and Secondary PCI IDE channels 
♦  Support for PIO (programmable input/output) modes 
♦  Support for Multiword DMA modes 










