KM400The VIA ProSavage™ KN400 is the next generation chipset designed to bring high-end desktop performance to the mobile AMD Athlon™ XP-M Processors. The low power VIA ProSavage™ KN400 provides a highly balanced and scalable platform for a complete spectrum of thin and light mobile designs.

kn400_mainMarked by a complete redesign from the ground up, the VIA ProSavage KN400 now boasts a slew of integrated features that blurs the line between mobile and desktop computing. Featuring the integrated 2D/3D AGP graphics core with built-in motion compensation and MPEG-2 acceleration, the VIA ProSavage KN400 delivers stunning video quality for key mobile digital media applications such as digital video playback. Furthermore, with its flexible 200/266/333 Mhz front side bus settings, the KN400 supports the complete range of mobile AMD Athlon processors including the latest AMD Athlon XP-M processor 2400+ based on the “Barton” core. Versatility being the key, the high performance of the KN400 with its high-speed memory controller can be married to the full selection of DDR memory types as well as a host of advanced connectivity and multimedia features including USB 2.0 and six-channel VIA Vinyl™ AC’97 audio.

The VIA ProSavage KM400 North Bridge is connected to the VIA VT8235CE or VIA VT8237R Plus South Bridge through a fast 8X V-Link connection which provides a dedicated 533MB/s bus between the North and South bridge. Additionally, with an integrated VIA MAC for 10/100Mbps Fast Ethernet connectivity as well as integrated PCI support, the VT8235CE and VIA VT8237R Plus provide unrivaled connectivity and multimedia functionality on the mobile platform.

Benefits of VIA KN400

Integrated VIA Graphics: The VIA ProSavage KN400 comprises integrated 2D/3D graphics optimized for key productivity applications as well as digital video playback through a hardware MPEG-2 accelerator, and features DuoView™ functionality for an extended desktop, making it the perfect chipset for corporate notebooks based on the AMD Athlon™ XP processor.

Low Power Consumption: DDR Memory operates at only 2.5V offering an immediate reduction in power consumption. The VIA ProSavage KN400 is also fully compliant with AMD PowerNow! Version 2.0 realising the benefits of dynamic power management and extending battery life even further.

Unified Hyperion 4-in-1 Drivers: VIA’s unified approach to chipset drivers has been maintained for eight generations of chipsets, allowing end-users to benefit from high performance and seamless compatibility when using any Microsoft Windows® operating system.

KN400 Block Diagram


Key Features

» Supports AMD Athlon™ XP and AMD Duron™ Processors
» 200/266/333MHz Front Side Bus
» VIA 2D/3D Graphics with motion compensation
» Support for AGP 2X/4X/8X
» 8X V-Link 533MB/s High Bandwidth North/South Bridge Interconnect
» Integrated 6-channel Surround Sound AC’97 Audio
» Integrated MC’97 Modem
» Integrated 10/100Mbps Fast Ethernet MAC
» Support for Serial ATA (up to 2 devices)
» Support for ATA-33/66/100/133 (up to 2 devices)
» Support for USB 2.0, eight USB ports, UHCI compliant
» Advanced power management capabilities including ACPI/OnNow
» 552-pin HSBGA VIA VT8378 North Bridge
» 539-pin BGA VIA VT8237R Plus or VT8235CE (pin-to-pin compatible) South Bridge

VIA Technologies, Inc.