ECS KM400-M2, Manual, Page: 8 / 67

2
Introducing the Motherboard
Feature
• Accommodates AMD K7 CPUs
• Supports a system bus (FSB) of 333/266/200MHz
The motherboard uses a 462-pin socket that carries the following features:
Processor
The KM400 Northbridge (NB) and VT8237 Southbridge (SB) chipset are based on an
innovative and scalable architecture with proven reliability and performance.
KM400(NB)
Chipset
VT8237(SB)
• Supports 66 MHz V-Link Host interface with total band-
width of 533 MB/s
• AGP v3.0 compliant with 8X transfer mode, supporting
533MHz 8X, 266 MHz 4X, and 133 MHz 2X transfer modes
for AD and SBA signaling
• Supports DDR333/266/200 (PC2700, PC2100 and PC1600
DDR SDRAM)
• Supports 16-bit 66 MHz V-Link Host interface with total
bandwidth of 1066 MB/s
• Compliant with PCI 2.2 specification at 33 MHz, supporting
up to 6 PCI masters
• Integrated Serial ATA Host Controllers, supporting data trans-
fer rates up to 1.5Gb/s
• Integrated Dual channel UltraDMA 133/100/66 Master Mode
EIDE Controller
• USB 2.0 Controller, supporting for 8 USB 2.0/1.1 ports
• Network Controller, supporting enterprise class 10/100 Mb
Fast Ethernet MAC
• Integrated keyboard Controller with PS2 mouse support
• Supports DDR333/266/200 SDRAM
• Accommodates two unbuffered 2.5V 184-pin slots
• A total maximum capacity 2 GB
Memory
• 64/32/16MB frame buffer using system memory
• 128-bit 2D/3D graphics engine
• High quality DVD video playback
• Graphics engine clocks up to 133 MHz decoupled from memory clock
Graphics
• Meets Microsoft WHQL/WLP 2.0 audio requirements
• 16-bit stereo full-duplex CODEC with 48KHz sampling rate
• Compliant with AC’97 v2.3 specification
• 3.3V digital, 5V analog power supply
Audio