VIA KT266芯片组产品手册
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VIA KT266芯片组产品手册.
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CChhiippsseett IInnttrroodduuccttiioonn
Confidential and ProprietaryMainstream AMD DDR Elusive
Many Solutions on the Market
n
Chipsets from VIA, AMD, ALi, and SiS
g
No Clear Performance/Feature Set
n
Leader
Motherboard manufacturers hedging
g
their bets, developing for all chipsets
Platform fragmentation slowing the
n
acceptance of DDR on AMD platforms
OEMs, System Integrators, End Users,
g
Channel confused by lack of clear
platform leadership
Confidential and ProprietaryVIA Leads DDR Platform
Development
First available P6 bus DDR chipset
n
VIA Apollo pro266 first available DDR-
g
SDRAM chipset for Intel® Pentium® III
processors
First mass produced K7 bus DDR chipset
n
VIA Apollo KT266 first widely available DDR-
g
SDRAM chipset for AMD Athlon™ and
Duron™ processors
First available P7 bus DDR chipset
n
VIA Apollo P4X266 brings DDR-SDRAM to the
g
Pentium 4 platform for the first time
Confidential and ProprietaryThe Definitive AMD DDR Chipset
VIA Apollo KT266A eliminates the
n
doubt
Performance Driven Design
g
Established Motherboard Base
g
V-MAP Scalability and Flexibility
g
Confidential and ProprietaryKT266A Chipset Block Diagram
Confidential and ProprietaryPerformance Driven Design
Enhanced Memory
n
Controller
Supports DDR200/DDR266
g
Tightened Timings
g
Decreases latency, increases
g
effective bandwidth
Deeper Queuing
g
Allows more instructions “in
g
flight”, hiding latency
penalties
New Abilities
g
Can burst up to eight Quad
g
Words in a clock cycle
Confidential and ProprietaryVIA Modular Architecture Platform
V-MAP
n
Multiple Pin-to-Pin
g
Compatible South Bridge
options
Drop-in replacement for
g
KT266
Future Pin-to-Pin
g
Compatible North Bridge
migration options
Seamless product
n
transitions on a single
motherboard platform
Faster Time to Market
g
Lower Product
g
Development,
Validation, and
Production costs
Confidential and ProprietaryAMD DDR Chipset Comparison
Feature AMD760 KT266A SiS735
North Bridge AMD761 VT8366A SiS735
CChhiippsseett IInnttrroodduuccttiioonn
Confidential and ProprietaryMainstream AMD DDR Elusive
Many Solutions on the Market
n
Chipsets from VIA, AMD, ALi, and SiS
g
No Clear Performance/Feature Set
n
Leader
Motherboard manufacturers hedging
g
their bets, developing for all chipsets
Platform fragmentation slowing the
n
acceptance of DDR on AMD platforms
OEMs, System Integrators, End Users,
g
Channel confused by lack of clear
platform leadership
Confidential and ProprietaryVIA Leads DDR Platform
Development
First available P6 bus DDR chipset
n
VIA Apollo pro266 first available DDR-
g
SDRAM chipset for Intel® Pentium® III
processors
First mass produced K7 bus DDR chipset
n
VIA Apollo KT266 first widely available DDR-
g
SDRAM chipset for AMD Athlon™ and
Duron™ processors
First available P7 bus DDR chipset
n
VIA Apollo P4X266 brings DDR-SDRAM to the
g
Pentium 4 platform for the first time
Confidential and ProprietaryThe Definitive AMD DDR Chipset
VIA Apollo KT266A eliminates the
n
doubt
Performance Driven Design
g
Established Motherboard Base
g
V-MAP Scalability and Flexibility
g
Confidential and ProprietaryKT266A Chipset Block Diagram
Confidential and ProprietaryPerformance Driven Design
Enhanced Memory
n
Controller
Supports DDR200/DDR266
g
Tightened Timings
g
Decreases latency, increases
g
effective bandwidth
Deeper Queuing
g
Allows more instructions “in
g
flight”, hiding latency
penalties
New Abilities
g
Can burst up to eight Quad
g
Words in a clock cycle
Confidential and ProprietaryVIA Modular Architecture Platform
V-MAP
n
Multiple Pin-to-Pin
g
Compatible South Bridge
options
Drop-in replacement for
g
KT266
Future Pin-to-Pin
g
Compatible North Bridge
migration options
Seamless product
n
transitions on a single
motherboard platform
Faster Time to Market
g
Lower Product
g
Development,
Validation, and
Production costs
Confidential and ProprietaryAMD DDR Chipset Comparison
Feature AMD760 KT266A SiS735
North Bridge AMD761 VT8366A SiS735
AIGCVIA KT266是一款由 VIA Technologies, Inc.（威盛科技股份有限公司）设计并生产的专用集成电路（Application-Specific Integrated Circuit, ASIC）芯片组，专为台式机主板应用设计，特别是在ATX架构的个人计算机中。它在1990年代中期作为英特尔 Pentium Pro处理器的主流搭配出现，支持高速前端总线以及多通道内存控制器等功能。
产品手册通常会详细介绍KT266的各项特性，包括但不限于：
- 芯片组架构和规格：描绘KT266如何与Pentium Pro处理器协同工作，提供对Socket 8针脚接口的支持，以及其前端总线速度（如60MHz或75MHz等）、内存类型（如SDRAM、EDO DRAM）和容量的最大支持。
- BIOS和BIOS更新：包含关于如何通过BIOS设置来配置系统时钟频率、内存刷新率、电源管理选项等重要参数的信息，以及芯片组固件的重要更新说明。
- I/O端口和支持功能：详述主板上的各类I/O插槽（如PCI-E插槽、AGP插槽、IDE/SATA接口、PS/2接口、COM ports等），以及其他附加功能如AC'97音频控制、整合网络接口等。
- 内存控制器详细信息：包括内存条的工作模式选择、内存带宽计算方法以及如何优化内存性能等内容。
- 兼容性和兼容硬件列表：列出KT266支持的各种外围设备和扩展卡类型及其相关驱动程序要求。
由于实际的产品手册可能已经过时，获取最新的技术规格和使用指南建议查阅VIA官网或者第三方电子技术资料库以获得最新版本的相关内容。
