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是一款專為Intel Pentium 4及更高級處理器設計的主板芯片組。該芯片組由兩部分組成：P4X333 Northbridge和ICH5 Southbridge，它們協同工作以提供對PCI Express、AGP 8x、USB 2.0、IDE接口以及千兆位以太網等現代計算機技術的支持。 產品手冊通常會詳細介紹以下幾個方面內容： 1. **概述**: 對VIA P4X333芯片組的總體介紹，包括其主要特性、適用平臺（如處理器類型和電壓要求）、主板規(guī)格（尺寸、供電需求）等。 2. **硬件組件**: 包括Northbridge和Southbridge的具體功能與引腳圖解，描述各模塊間的連接方式及其在主板上的物理位置。 3. **BIOS設置**: 詳述BIOS中與芯片組相關的選項配置，如內存速度、AGP/PCI-E頻率、啟動順序等，便于用戶進行個性化設置。 4. **I/O端口**: 清晰列出主板上的各種擴展插槽（如PCI, AGP, USB, IEEE 1394, PS/2等）的數量、類型和速度規(guī)范，以及相應的驅動程序安裝說明。 5. **內存支持**: 描述主板支持的內存類型、最大容量、時序參數等內容，并給出兼容內存的選擇建議。 6. **集成顯卡管理**: 如果ICH5 Southbridge包含圖形處理單元，則會詳細闡述圖形性能、顯示模式選擇和驅動安裝方法。 7. **網絡功能**: 闡述千兆以太網控制器的功能及設置步驟，包括物理連接、驅動下載及網絡協議支持。 8. **電源管理與節(jié)能**: 介紹芯片組支持的電源管理技術和節(jié)能模式，包括AC'PI和PCH狀態(tài)機的相關信息。 9. **故障排除與技術支持**: 提供常見問題解決方案及聯系方式，幫助用戶在使用過程中遇到問題時能快速定位并解決。 總之，VIA P4X333芯片組的產品手冊將全面指導用戶如何安裝、配置及維護基于這一芯片組的電腦系統。