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VT8237 Connectivity
- Ultra V-Link
- 8 USB 2.0 Ports
- VIA Ethernet MAC
- SATA/PATA 133
- 6 Channel Audio
- MC’97 Modem
- LPC
- PCI Controller
K8T800 System

• 800MHz x 16 bit x 2 HyperTransport
Link to AMD Athlon 64 Processor

• Integrated UniChromeTM2 Graphics

• 200MHz engine

• 2 pixel pipes & 2 texture units

• 8MB to 64MB UMA frame buffer

• DuoView

• Full MPEG2 decoder
- Slice layer
- iDCT
- Motion compensation

• External TV-out & LCD monitor
interface

• Advanced power management

• Unified Driver Set

• External AGP 8X port

• 8X V-Link
The VIA Apollo K8T800 chipset, built around a high speed, low latency HyperTransport link to the AMD Opteron processor, is designed to enable a new generation of powerful server solutions suitable for firewall, cache and load balancing applications, as well as Web hosting. The K8T800 is also suitable for workstation applications with the North Bridge integrating an AGP 8X controller allowing the AMD Opteron processor based system to interface with the latest professional class 3D graphics processors.

The K8T800 North Bridge connects to the VT8237 South Bridge through the new VIA Ultra V-Link connection offering over 1GB/s of bandwidth and keeping the CPU supplied with a constant stream of data. The VT8237 South Bridge features the industry's first integrated dual channel Serial-ATA RAID controller supporting RAID levels 0, 1, 0+1 and JBOD, as well as dual channel Parallel ATA-133 for backwards compatibility, giving system designers unparalleled power and flexibility in designing storage configurations.

"The latest integrated I/O technology including Serial ATA/RAID combined with high throughput chip interconnects like HyperTransport and Ultra V-Link, make the K8T400M the ideal Chipset solution for 1-2P server or workstation solutions based on the AMD Opteron processor," commented Chewei Lin, Vice President of Product Marketing, VIA Technologies, Inc. "VIA is very proud to continue pushing the boundaries of core-logic chipset technology in tandem with the introduction of AMD's new x86-64 processors."
K8T800 north bridge architecture
K8T800 south bridge architecture
Feature

Feature

K8T800

K8T800

Server/Workstation

Performance PC

North Bridge

    

Processor Support

AMD OpteronSingle/Dual Processor Support

AMD Athlon64 Single Processor support

Front Side Bus

1.6GHz (800MHz Upstream & Downstream) HyperTransport Bus Link

1.6GHz (800MHz Upstream & Downstream) HyperTransport Bus Link

Memory Bus

128-bit Dual Channel DDR memory controller integrated directly into processor

64-bit Single Channel DDR memory controller integrated directly into processor

AGP Support

AGP4X/8X

AGP4X/8X

Memory Type

DDR266/333/400

DDR266/333/400

Max. Memory

4.0GB

4.0GB

South Bridge

VT8237

VT8235CE

North/South Bridge Link

8X V-Link (533MB/sec)

8X V-Link (533MB/sec)

Audio

VIA Vinyl™ Audio 5.1 surround sound (AC'97)

VIA Vinyl™ Audio 5.1 surround sound (AC'97)

VIA Vinyl™ Gold Audio 7.1 surround sound (PCI)

VIA Vinyl™ Gold Audio 7.1 surround sound (PCI)

Network

VIA Gigabit Ethernet companion controller

VIA Gigabit Ethernet companion controller

VIA MAC 10/100 Ethernet

VIA MAC 10/100 Ethernet

Modem

MC'97

MC'97

PCI Devices/Slots

6 slots

6 slots

Dual PCI-X bus support through VIA VPX2 I/O expansion bridge

SATA

Dual Channel Serial ATA supports 2 SATA devices

Dual Channel Serial ATA supports 2 SATA devices

SATALite™ interface for two additional SATA devices (4 total)

SATALite™ interface for two additional SATA devices (4 total)

V-RAID

RAID 0, RAID 1, and RAID 0+1* & JBOD (SATA)

RAID 0, RAID 1, and RAID 0+1* & JBOD (SATA)

PATA

Dual Channel Parallel ATA133 (up to 4 devices)

Dual Channel Parallel ATA133 (up to 4 devices)

USB

8 ports

8 ports

I/O Protocols

I/O APIC / LPC Super I/0

I/O APIC / LPC Super I/0

IO APIC

Yes

Yes

Power Management

ACPI/APM/PCI/PM

ACPI/APM/PCI/PM
Download Hyperion Pro 64Bit drivers for Windows 64Bit here
Athlon 64 Chipset K8T800 (ex K8T400M)
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