VIA KT400A芯片组产品手册
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VIA KT400A芯片组产品手册.
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7th Generation Performance
Chipset for the
AMD Athlon™ XP
VIA Confidential and Proprietary- 31 Design Wins
“If you want to pick up an Athlon motherboard any time
soon, you really ought to take a look at the KT400
models, Our recommendation is based quite simply on
the high equipment standard and the undisputedly great
performance with DDR333” October 2002
Manufacturer Motherboard Manufacturer Motherboard
Asus A7V8X FIC AN19E, AN19C
MSI KT4V, KT4 Ultra KT4M ECS L7VTA, L7VTM
Gigabyte GA-7VA, GA-7VAXP, DFI AD77 Infinity
GA-7VAXP Ultra AD77 Max
Epox EP-8K9A, Biostar M7VIT
EP-8K9A2
Abit KD-7G, AT7 Max2 Azza KT400-ALH
Acorp 7KT400
Aopen AK77-8X Soltek SL-75FRV
AK77-8X Max, AK77-
8XN
Albatron KX-400 8X Freetech A7F156
Shuttle AK37GT/R Iwill KK400, KK400RS
Soyo SY KT400 Dragon Ultra Jetway Polaris 400
VIA Confidential and ProprietaryVIA Apollo
7th Generation Socket A Chipset From VIA
?
VIA FastStream64™ Technology Maximizes
?
Performance with the new AMD Athlon XP 3000+
CPU, and leaves Nforce2 trailing
AGP 8X with VIA Hyperion 4in1 Drivers For
?
Maximum Frame Rates in Doom ‘III’ Generation
Games
First to Market Native Serial ATA support in the
?
VT8237 South Bridge
VIA XXXX Onboard Audio For Surround Gaming
?
VIA Confidential and ProprietaryDualDDR: Cost Without Benefit
•AMD 333MHz FSB is maxed out at 2.7GB/s,
equivalent to the maximum theoretical
bandwidth in a single channel DDR333
configuration
•Dual DDR configurations for the AMD Athlon™ XP
are overkill and needlessly raise the cost of the
platform
•The key to performance is the efficiency of the
North Bridge memory controller and CPU
interface
AMD Athlon™ XP Theoretical Memory Actual Efficiency
333MHz Front Side Bandwidth bandwidth
Bus Data Capacity (DDR333)
VIA KT333 2700MB/s 2700MB/s 2520MB/s 93%
Nvidia nforce2 2700MB/s 5400MB/s 2599MB/s 48%
Source: tech-report.com, Oct 1st 2002. Benchmark figures: Asus A7N8X (nforce2) vs Epox 8K3A (KT333)
Identical System Configurations, Sisoft Sandra 2002 Memory (ALU)
VIA Confidential and ProprietaryFastStream64™ Technology
FastStream64™ Technology enables the single
?
channel 64-bit memory controller of the KT400A to
out perform the Nforce2 Chipset in 128-bit mode
VIA FastStream64™ Technology uses an expanded
?
array of pretech buffers to reduce latency in the
memory controller, enabling more intelligent
read/write sequencing and extending performance
at a lower transistor cost than dual channel
implementations
KT400A is designed to maximize performance in
?
both synchronous (DDR333/333MHz FSB) &
asynchronous (DDR400/333MHz FSB) modes
VIA Confidential and ProprietaryKT400A North Bridge Summary
Leading Edge Performance
?
Features
200/266/333MHz Front
?
Side Bus
Ultra-fast FastStream64
?
Memory Controller with
200/266/333/400MHz
system bus
Support for up to 4GB
?
High-Speed
DDR200/266/333/400
SDRAM
8X V-Link Architecture
?
Peak bandwidth of
?
533MB/s
AGP 8X with 2.1GB/s of
?
dedicated bandwidth for
the GPU
Chipset for the
AMD Athlon™ XP
VIA Confidential and Proprietary- 31 Design Wins
“If you want to pick up an Athlon motherboard any time
soon, you really ought to take a look at the KT400
models, Our recommendation is based quite simply on
the high equipment standard and the undisputedly great
performance with DDR333” October 2002
Manufacturer Motherboard Manufacturer Motherboard
Asus A7V8X FIC AN19E, AN19C
MSI KT4V, KT4 Ultra KT4M ECS L7VTA, L7VTM
Gigabyte GA-7VA, GA-7VAXP, DFI AD77 Infinity
GA-7VAXP Ultra AD77 Max
Epox EP-8K9A, Biostar M7VIT
EP-8K9A2
Abit KD-7G, AT7 Max2 Azza KT400-ALH
Acorp 7KT400
Aopen AK77-8X Soltek SL-75FRV
AK77-8X Max, AK77-
8XN
Albatron KX-400 8X Freetech A7F156
Shuttle AK37GT/R Iwill KK400, KK400RS
Soyo SY KT400 Dragon Ultra Jetway Polaris 400
VIA Confidential and ProprietaryVIA Apollo
7th Generation Socket A Chipset From VIA
?
VIA FastStream64™ Technology Maximizes
?
Performance with the new AMD Athlon XP 3000+
CPU, and leaves Nforce2 trailing
AGP 8X with VIA Hyperion 4in1 Drivers For
?
Maximum Frame Rates in Doom ‘III’ Generation
Games
First to Market Native Serial ATA support in the
?
VT8237 South Bridge
VIA XXXX Onboard Audio For Surround Gaming
?
VIA Confidential and ProprietaryDualDDR: Cost Without Benefit
•AMD 333MHz FSB is maxed out at 2.7GB/s,
equivalent to the maximum theoretical
bandwidth in a single channel DDR333
configuration
•Dual DDR configurations for the AMD Athlon™ XP
are overkill and needlessly raise the cost of the
platform
•The key to performance is the efficiency of the
North Bridge memory controller and CPU
interface
AMD Athlon™ XP Theoretical Memory Actual Efficiency
333MHz Front Side Bandwidth bandwidth
Bus Data Capacity (DDR333)
VIA KT333 2700MB/s 2700MB/s 2520MB/s 93%
Nvidia nforce2 2700MB/s 5400MB/s 2599MB/s 48%
Source: tech-report.com, Oct 1st 2002. Benchmark figures: Asus A7N8X (nforce2) vs Epox 8K3A (KT333)
Identical System Configurations, Sisoft Sandra 2002 Memory (ALU)
VIA Confidential and ProprietaryFastStream64™ Technology
FastStream64™ Technology enables the single
?
channel 64-bit memory controller of the KT400A to
out perform the Nforce2 Chipset in 128-bit mode
VIA FastStream64™ Technology uses an expanded
?
array of pretech buffers to reduce latency in the
memory controller, enabling more intelligent
read/write sequencing and extending performance
at a lower transistor cost than dual channel
implementations
KT400A is designed to maximize performance in
?
both synchronous (DDR333/333MHz FSB) &
asynchronous (DDR400/333MHz FSB) modes
VIA Confidential and ProprietaryKT400A North Bridge Summary
Leading Edge Performance
?
Features
200/266/333MHz Front
?
Side Bus
Ultra-fast FastStream64
?
Memory Controller with
200/266/333/400MHz
system bus
Support for up to 4GB
?
High-Speed
DDR200/266/333/400
SDRAM
8X V-Link Architecture
?
Peak bandwidth of
?
533MB/s
AGP 8X with 2.1GB/s of
?
dedicated bandwidth for
the GPU
AIGC尊敬的用户您好！VIA KT400A是一款由 VIA Technologies, Inc.（威盛科技股份有限公司）生产的主板芯片组，专为个人计算机市场设计，特别是在台式机和服务器领域应用广泛。KT400A芯片组主要包括南北桥两部分，其中北桥负责处理CPU、内存、AGP接口以及PCI总线等高级功能，南桥则主要负责IDE接口、USB、COM ports、LPT等传统I/O设备的控制。
产品手册通常会详细介绍KT400A芯片组的技术规格、特性优势、兼容硬件平台（如特定类型的处理器、内存类型及容量限制）、安装指导、BIOS设置说明、系统兼容性信息以及常见问题解决方案等内容。通过阅读这份手册，您将能够详细了解如何正确配置和使用基于VIA KT400A芯片组的产品，包括但不限于主板、处理器的选择、内存扩展、显卡插槽和驱动程序更新等方面的详细操作指南。
如果您需要具体的产品手册内容或遇到在使用过程中遇到的问题，请提供更详细的信息，我们将很乐意为您提供相关帮助和支持。
