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VIA P4X266

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VIA P4X266 Chipset

This product is available fully ROHS-compliant.

The VIA Apollo P4X266 is the first chipset to harness the power of high bandwidth DDR SDRAM to provide the most balanced and cost effective platform for building the next generation of high performance Intel® Pentium® 4 processor based servers, workstations, and PC systems.
The VIA Apollo P4X266 is the most powerful, cost effective, and flexible chipset solution available for Intel® Pentium® 4 processor based platforms. Its ultra-fast 400MHz Front Side Bus combined with support for up to 4GB of high-speed DDR266 SDRAM fully exploit the processor's high bandwidth, yielding truly exceptional performance across the full range of applications while leveraging the cost benefits and reliability of SDRAM architecture. System responsiveness is further enhanced by the chipset's high speed V-Link bus, which doubles communication bandwidth between the North and South Bridge to 266MB per second.

The VIA Apollo P4X266 also supports PC133 SDRAM to provide the scalability that OEMs and System Integrators need to build systems spanning a complete spectrum of price points using a single platform. In addition to a host of performance features such as AGP4X and ATA 100 support, the P4X266 features an integrated 3Com 10/100Mb Ethernet Media Access Controller (MAC) in the VT8233C South Bridge to make it the optimum chipset for network ready desktop solutions. Additional features include integrated AC'97 audio, MC'97 modem support, 6 USB ports, and Advanced Power Management.


Features of VIA P4X266

Feature
VIA P4X266
North Bridge  
Processor Support Intel® Pentium® 4
Hyper Threading Support No
Front Side Bus 400MHz
Memory Support 200/266MHz
AGP Support AGP 4X
Memory Type DDR 200/266 or PC100/133 SDRAM
Max. Memory 4.0GB
South Bridge VT8233/8233C
North/South Bridge Link VIA V-Link (266MB/sec)
Audio

AC'97 integrated 2 channel audio

Network

VIA 10/100 Ethernet MAC

3Com® (VT8233C)

Modem MC'97
PCI Devices/Slots

5 slots

IDE ATA 33/66/100
USB 6 ports
I/O Protocols I/O APIC / LPC Super I/0
Power Management ACPI/APM/PCI/PM

Benefits of VIA P4X266

Ultra High Performance Platform
The VIA Apollo P4X266 is the most cohesive, powerful chipset platform for the Intel Pentium? 4 processor with support for up to 4GB of high speed, power efficient DDR SDRAM with 64 bit 266MHz memory bus, ultra fast 400MHz Front Side Bus, and 266MB per second V-link hub architecture connecting the North and South Bridge.

Flexible and Cost Efficient
The VIA Apollo P4X266 has flexibility built in, with support for DDR266 SDRAM, PC133 and PC100 SDRAM, enabling system builders to choose the specification that best fits their desired functionality and target price points, while taking advantage of the cost and reliability benefits of SDRAM infrastructure.

Power Efficient and Innovative
DDR266 lowers memory power consumption to 2.5 volts, balancing the power hungry processor, while features like the integrated 3Com 10/100 Mb Ethernet Media Access Controller add value in an innovative, cost effective form.

VIA Stability and Reliability
VIA Apollo chipsets benefit from the most advanced design, manufacturing and testing processes yielding the industry's most reliable and stable system platforms.

VPX-64 64bit/66MHz PCI Controller
The VPX-64 64bit PCI Controller (model number VT8101) is a companion chip that allows existing VIA chipsets to support high-bandwidth 64bit PCI in both 33MHz and 66MHz modes. VPX-64 enables VIA Apollo chipsets to offer up to 533MB/s of PCI bandwidth for high end peripherals like Gigabit Ethernet, Fibre Channel and Ultra SCSI/320 and is perfect for implementation in server systems based on the VIA Apollo P4X266. VPX-64 also supports up to six traditional 32bit/33MHz PCI devices, allowing VPX-64 equipped system designs to support no less than 10 PCI devices, and up to 12 in total. VPX-64 is available in a 27x27mm, 265 pin PGA package. VPX-64 interfaces directly to the dual mode AGP/XIP port present in existing V-MAP compatible chipsets.


Block Diagram

Key Features

» Supports Intel® Pentium® 4 processors
» 400MHz (Quad 100) FSB setting
» AGP4X graphics
» Supports DDR200/266 SDRAM as well as PC100/133 SDRAM
» Ultra fast 266MB per second V-Link between North and South Bridge
» Support for Advanced Communications Riser (ACR)
» AC'97 and MC'97 Audio/Modem
» Integrated 3Com 10/100Mb Ethernet Media Access Controller (VT8233C) or 10/100Mb Ethernet, 1/10Mb HomePNA (VT8233)
» Support for 2 ATA 33/66/100 interfaces
» 6 USB ports, UHCI compliant
» Integrated KBC, PS/2 Mouse Interface, RTC
» Advanced power management capabilities
» 664-pin BGA VT8753 North Bridge
» 376-pin BGA VT8233C or VT8233 South Bridge


Resources

VIA P4X266 product brochure
VIA P4X266 image kit

Tech Support

If you should have problems or questions setting up or running your VIA product, we offer comprehensive technical support here and you can find the latest device drivers, as well as helpful forums to discuss and solve your problems.


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