Enabling Total System
Performance
VIA Confidential and ProprietaryVIA Apollo P4X266A
“VIA has had a lot more practical
experience with DDR memory
than Intel, and that experience
shows.” - January 2002
““VIA's P4X266A seems to be the best platform for
Intel's Pentium 4 right now.”” –– December 2001
““If you're in the market for a performance
P4/PC-266 DDR solution, then the VIA P4X266A
is currently the fastest solution.”” –– December
2001
VIA Confidential and ProprietaryVIA Apollo
Enabling Total System Performance
VIA Apollo P4X333
n
World’s Fastest Memory Controller
g
DDR333: 25% More Memory Bandwidth
g
400/533MHz Processor Bus
g
AGP 8X
g
Double-Speed V-Link
g
USB 2.0
g
ATA-133
g
V-MAP Established Motherboard Base
g
VIA Confidential and ProprietaryP4X333: Raising The Bar
P4X333 Intel 845DDR
Advantage
533MHz Processor +33% 400MHz Processor Bus
Bus
2.7GB/s Memory +25% 2.1GB/s Memory
Bandwith Bandwith
AGP 8X – 2.1GB/sec +100% AGP 4X 1.05 GB/s
V-link – 533MB/sec +100% Intel Hub Architecture
266MB/sec
USB 2.0 - 480 Mbps +4000% USB 1.1 - 12Mbps
ATA/133 – 133MB/s +33% ATA/100 - 100MB/s
VIA Confidential and ProprietaryVIA: Making DDR Happen
First mass produced Socket 423/478 DDR chipset
n
VIA Apollo P4X266 brought DDR-SDRAM to the Pentium 4
g
platform for the first time
First mass produced Socket A DDR chipset
n
VIA Apollo KT266 brought DDR-SDRAM chipset for AMD
g
Athlon™ and Duron™ processors
VIA Apollo KT333 shipping in mass quantities now
g
First Mobile Chipset platform with DDR support
n
for all mobile processor platforms
VIA ProSavageDDR KN266 for AMD platform
g
VIA ProSavageDDR PN266T for Intel® Pentium® III-M &
g
VIA C3™ processor platforms
VIA ProSavageDDR P4N266 for mobile Intel® Pentium® 4
g
VIA Confidential and ProprietaryDDR333: Immediate Transition
Unavoidable Progression
n
Die Shrinks, Cost Reduction = Yield
g
Improvement
Design Win Activity
n
Motherboard makers predict 40-50% of designs
g
will support DDR333 by end 2002
DDR333 Performance Advantages
n
Bandwidth
g
25% improvement in raw bandwidth
g
Latency
g
No loss in fundamental latency
g
CL2 at 266 = CL2.5 at 333
g
VIA Confidential and ProprietaryDDR333: Unstoppable Momentum
"Our customers tell us that speed counts. Samsung's
fully validated DDR333 memory modules will ensure that
VIA DDR333 chipset platform customers willhave all the
high-performance memory they need at competitive
prices.“
“Hynix's DDR333 memory modules, used in conjunction with
VIA Apollo DDR chipsets, deliver outstanding performance
and features. Hynix continues to pave the way for

VIA P4X333是一款专为Intel Pentium 4及更高级处理器设计的主板芯片组。该芯片组由两部分组成：P4X333 Northbridge和ICH5 Southbridge，它们协同工作以提供对PCI Express、AGP 8x、USB 2.0、IDE接口以及千兆位以太网等现代计算机技术的支持。 产品手册通常会详细介绍以下几个方面内容： 1. **概述**: 对VIA P4X333芯片组的总体介绍，包括其主要特性、适用平台（如处理器类型和电压要求）、主板规格（尺寸、供电需求）等。 2. **硬件组件**: 包括Northbridge和Southbridge的具体功能与引脚图解，描述各模块间的连接方式及其在主板上的物理位置。 3. **BIOS设置**: 详述BIOS中与芯片组相关的选项配置，如内存速度、AGP/PCI-E频率、启动顺序等，便于用户进行个性化设置。 4. **I/O端口**: 清晰列出主板上的各种扩展插槽（如PCI, AGP, USB, IEEE 1394, PS/2等）的数量、类型和速度规范，以及相应的驱动程序安装说明。 5. **内存支持**: 描述主板支持的内存类型、最大容量、时序参数等内容，并给出兼容内存的选择建议。 6. **集成显卡管理**: 如果ICH5 Southbridge包含图形处理单元，则会详细阐述图形性能、显示模式选择和驱动安装方法。 7. **网络功能**: 阐述千兆以太网控制器的功能及设置步骤，包括物理连接、驱动下载及网络协议支持。 8. **电源管理与节能**: 介绍芯片组支持的电源管理技术和节能模式，包括AC'PI和PCH状态机的相关信息。 9. **故障排除与技术支持**: 提供常见问题解决方案及联系方式，帮助用户在使用过程中遇到问题时能快速定位并解决。 总之，VIA P4X333芯片组的产品手册将全面指导用户如何安装、配置及维护基于这一芯片组的电脑系统。