VIA PN266T (N/IG)传统芯片组产品简介
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VIA PN266T (N/IG)传统芯片组产品简介.
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VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
VIA ProSavageDDR PN266T
Empower Your Mobile With DDR
1VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
VIA ProSavageDDR PN266T: Delivering unmatched
performance and extended battery life in next
generation mobile systems
Mobile systems are accounting for an increased proportion of new PC sales, with
consumers often choosing the convenience of a notebook PC in preference to a
desktop system. This trend is demanding more from mobile systems, with a balance
of desktop equivalent performance and extended battery life expected by end users.
The VIA ProSavageDDR PN266T mobile integrated graphics chipset with DDR
memory, enables this balance to be achieved by providing a platform for cost
effective and high performance mobile systems with extensive communication and
networking feature sets.
The launch of the VIA ProSavageDDR PN266T chipset brings ultra fast DDR SDRAM
memory to Intel® Pentium® III Processor-M, Intel® Pentium® III, Intel® Celeron™
and VIA C3™ processor based mobile systems for the first time, bursting through the
performance barrier imposed by PC133 SDRAM. In addition to better performance,
DDR SDRAM also lowers memory subsystem power consumption by more than 30%,
extending battery life and reducing heat dissipation enabling professional
performance in svelte and stylish designs. Combined with the proven performance of
the cost efficient, space saving S3 Graphics ProSavage8™ 2D/3D engine integrated
into the chipset North Bridge, the VIA ProSavageDDR PN266T yields powerful
professional mobile systems at highly competitive price points.
The VIA ProSavageDDR PN266T benefits from the following key technologies:
• DDR200/266 SDRAM Support: The VIA ProSavageDDR PN266T offers up
to 2.1GB/s of memory bandwidth with its support for up to 4GB DDR266
SDRAM. This provides memory intensive applications (such as content
creation, media streaming, 3D gaming, etc.) the bandwidth they need to
perform optimally and increases the data throughput available to the
integrated graphics core. As well as increasing performance DDR266 SDRAM
enables a more than 30% reduction in memory subsystem power
consumption, running at only 2.5V.
• S3 Graphics ProSavage8™ Integrated Graphics core: The ProSavage8™
2D/3D Accelerator with internal AGP 8X bandwidth and DVD Motion
Compensation is optimized for use with the Microsoft Windows® XP operating
system and drives integrated graphics in mobile systems to a new level.
Shared Memory Architecture (SMA) enables the PN266T to utilize the system
memory for frame buffer and texture memory on an internal data path
doubled to 128-bit capacity. Thus, the DDR memory subsystem, offering up
to 2.1GB/s of memory bandwidth, increases the overall performance of the
integrated graphics core by up to 50% over SMA chipsets based on PC133
SDRAM. Integrated graphics also offers lower system power consumption by
eliminating the separate frame buffer memory, and saves real estate on the
mainboard enabling thinner lighter form factors.
2VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
• Supports Intel Speedstep™ and VIA LongHaul™: The VIA ProSavageDDR
PN266T supports dynamic power managemnt technologies including Intel
SpeedStep™ and VIA LongHaul™.
• High-Speed V-Link Hub Architecture: The VIA ProSavageDDR PN266T
makes use of VIA’s V-Link Hub Architecture, which provides a dedicated
266MB/s bus between the north and south bridge. Less advanced chipsets
use the 132MB/s PCI bus as a link, which must be shared with all PCI
peripherals.
• V-MAP: Based on the unique VIA Modular Architecture Platform (V-MAP), the
VIA ProSavageDDR PN266T provides OEMs and SIs with unparalleled
flexibility and scalability for existing and future PC designs. A choice of
VT8233 series V-link South Bridges is available on the platform with differing
feature sets enabling OEMs and SIs to target system designs at specific
segments of the marketplace without the expense of developing new
mainboard platforms.
Integrated Graphics in Mobile Systems
The VIA ProSavageDDR PN266T with the S3 Graphics ProSavage8™ core integrated
into the North Bridge offers significant advantages over discrete graphics solutions in
the mobile marketplace.
Integration reduces system cost: Integrated graphics allow OEMs and System
Integrators to eliminate an external graphics card from the cost of a VIA ProSavage
based system while maintaining competitive 2D and 3D performance.
ProSavage8™ Graphics Performance: With effective AGP 8X, up to 32MB of
frame buffer and DVD motion compensation the ProSavage8™ provides stunning
video quality and performance.
Saves Real Estate on the Mainboard: Enables thinner lighter designs with lower
power consumption due to elimination of the dedicated frame buffer memory (SMA
chipsets use the system memory for frame buffer) and the lower transistor count.
ProSavage Driver Set: S3 Graphics ProSavageDDR chipsets have a mature and
comprehensive unified driver set, minimizing compatibility issues and reducing
deployment risk for corporate customers.
Key Features include:
• 128-bit 2D/3D Graphics Accelerator
• Effective AGP 8X internal bandwidth (2.1GB/s transfer rate)
• 8M triangles/s
• 32-bit Rendering, Bump Mapping, Vertex and Table fog
• Reflection Mapping, shadows and atmospheric effects
• S3TC Texture Compression
• DSTN and LVDS LCD Support
• 8KByte Texture Cache
• DVD Motion Compensation 30fps
• AGP 4X Sideband Addressing
3VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
DDR SDRAM Overview
DDR SDRAM technology is the result of an industry-wide collaboration to develop the
next generation memory standard. It is designed to provide a high performance,
high value upgrade path from previous PC133 technology. As the driving force
behind PC133, VIA Technologies has embraced DDR, and currently offers the widest
range of DDR chipsets for the Intel® Pentium® III, AMD Athlon™ XP, and Intel®
_______________________________________________________________________________
VIA ProSavageDDR PN266T
Empower Your Mobile With DDR
1VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
VIA ProSavageDDR PN266T: Delivering unmatched
performance and extended battery life in next
generation mobile systems
Mobile systems are accounting for an increased proportion of new PC sales, with
consumers often choosing the convenience of a notebook PC in preference to a
desktop system. This trend is demanding more from mobile systems, with a balance
of desktop equivalent performance and extended battery life expected by end users.
The VIA ProSavageDDR PN266T mobile integrated graphics chipset with DDR
memory, enables this balance to be achieved by providing a platform for cost
effective and high performance mobile systems with extensive communication and
networking feature sets.
The launch of the VIA ProSavageDDR PN266T chipset brings ultra fast DDR SDRAM
memory to Intel® Pentium® III Processor-M, Intel® Pentium® III, Intel® Celeron™
and VIA C3™ processor based mobile systems for the first time, bursting through the
performance barrier imposed by PC133 SDRAM. In addition to better performance,
DDR SDRAM also lowers memory subsystem power consumption by more than 30%,
extending battery life and reducing heat dissipation enabling professional
performance in svelte and stylish designs. Combined with the proven performance of
the cost efficient, space saving S3 Graphics ProSavage8™ 2D/3D engine integrated
into the chipset North Bridge, the VIA ProSavageDDR PN266T yields powerful
professional mobile systems at highly competitive price points.
The VIA ProSavageDDR PN266T benefits from the following key technologies:
• DDR200/266 SDRAM Support: The VIA ProSavageDDR PN266T offers up
to 2.1GB/s of memory bandwidth with its support for up to 4GB DDR266
SDRAM. This provides memory intensive applications (such as content
creation, media streaming, 3D gaming, etc.) the bandwidth they need to
perform optimally and increases the data throughput available to the
integrated graphics core. As well as increasing performance DDR266 SDRAM
enables a more than 30% reduction in memory subsystem power
consumption, running at only 2.5V.
• S3 Graphics ProSavage8™ Integrated Graphics core: The ProSavage8™
2D/3D Accelerator with internal AGP 8X bandwidth and DVD Motion
Compensation is optimized for use with the Microsoft Windows® XP operating
system and drives integrated graphics in mobile systems to a new level.
Shared Memory Architecture (SMA) enables the PN266T to utilize the system
memory for frame buffer and texture memory on an internal data path
doubled to 128-bit capacity. Thus, the DDR memory subsystem, offering up
to 2.1GB/s of memory bandwidth, increases the overall performance of the
integrated graphics core by up to 50% over SMA chipsets based on PC133
SDRAM. Integrated graphics also offers lower system power consumption by
eliminating the separate frame buffer memory, and saves real estate on the
mainboard enabling thinner lighter form factors.
2VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
• Supports Intel Speedstep™ and VIA LongHaul™: The VIA ProSavageDDR
PN266T supports dynamic power managemnt technologies including Intel
SpeedStep™ and VIA LongHaul™.
• High-Speed V-Link Hub Architecture: The VIA ProSavageDDR PN266T
makes use of VIA’s V-Link Hub Architecture, which provides a dedicated
266MB/s bus between the north and south bridge. Less advanced chipsets
use the 132MB/s PCI bus as a link, which must be shared with all PCI
peripherals.
• V-MAP: Based on the unique VIA Modular Architecture Platform (V-MAP), the
VIA ProSavageDDR PN266T provides OEMs and SIs with unparalleled
flexibility and scalability for existing and future PC designs. A choice of
VT8233 series V-link South Bridges is available on the platform with differing
feature sets enabling OEMs and SIs to target system designs at specific
segments of the marketplace without the expense of developing new
mainboard platforms.
Integrated Graphics in Mobile Systems
The VIA ProSavageDDR PN266T with the S3 Graphics ProSavage8™ core integrated
into the North Bridge offers significant advantages over discrete graphics solutions in
the mobile marketplace.
Integration reduces system cost: Integrated graphics allow OEMs and System
Integrators to eliminate an external graphics card from the cost of a VIA ProSavage
based system while maintaining competitive 2D and 3D performance.
ProSavage8™ Graphics Performance: With effective AGP 8X, up to 32MB of
frame buffer and DVD motion compensation the ProSavage8™ provides stunning
video quality and performance.
Saves Real Estate on the Mainboard: Enables thinner lighter designs with lower
power consumption due to elimination of the dedicated frame buffer memory (SMA
chipsets use the system memory for frame buffer) and the lower transistor count.
ProSavage Driver Set: S3 Graphics ProSavageDDR chipsets have a mature and
comprehensive unified driver set, minimizing compatibility issues and reducing
deployment risk for corporate customers.
Key Features include:
• 128-bit 2D/3D Graphics Accelerator
• Effective AGP 8X internal bandwidth (2.1GB/s transfer rate)
• 8M triangles/s
• 32-bit Rendering, Bump Mapping, Vertex and Table fog
• Reflection Mapping, shadows and atmospheric effects
• S3TC Texture Compression
• DSTN and LVDS LCD Support
• 8KByte Texture Cache
• DVD Motion Compensation 30fps
• AGP 4X Sideband Addressing
3VIA ProSavageDDR PN266 Chipset Whitepaper
_______________________________________________________________________________
DDR SDRAM Overview
DDR SDRAM technology is the result of an industry-wide collaboration to develop the
next generation memory standard. It is designed to provide a high performance,
high value upgrade path from previous PC133 technology. As the driving force
behind PC133, VIA Technologies has embraced DDR, and currently offers the widest
range of DDR chipsets for the Intel® Pentium® III, AMD Athlon™ XP, and Intel®
AIGCVIA PN266T (N/IG)是一款专为传统计算机主板设计的集成芯片组产品，由 VIA Technology（威盛）公司生产。PN266T 芯片组系列通常采用南北桥架构，其中 "N" 指 North Bridge（北桥），负责连接处理器、内存控制器、IDE/SATA接口以及USB等高速外部设备；而 "IG" 则代表 I/O Controller Hub (I/O 控制器集线器)，主要管理PCI插槽、并口、串口等低速外设通信。
PN266T芯片组以其兼容性好、稳定性强和成本效益高等特点，在个人电脑市场中得到了广泛应用，特别是在一些经济型台式机或入门级笔记本电脑中常见。它支持当时的主流CPU型号，并通过BIOS设置可以调整系统性能以满足不同应用需求。然而，请注意，随着技术的发展，PN266T已经属于较老一代的芯片组产品，在更高性能需求及新接口标准下，可能不再是最优选解决方案，但对于一些特定场景下的低端设备维护与升级仍有其价值。
