VIA KT133A Chipset

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VIA KT133A
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The VIA Apollo KT133A is a cost-effective, flexible chipset solution for systems based on the AMD Athlon™ XP and Duron™ Socket A processors. The KT133 offers up to 1.5GB of PC133 SDRAM memory and VC133 DRAM, along with a 266MHz front side bus. An AGP 4X/2X controller also enables connection with external graphics cards. Paired with the VT82C686B South Bridge controller, the KT133A chipset also includes support four USB ports, AC-97 link for audio and modem, hardware monitoring, and power management.

Features of VIA KT133A

Features	Benefits
200/266MHz FSB	A single motherboard design for 200/266MHz FSB AMD Athlon™ and Duron™ processors.
AGP4X	Enables the graphics controller to access the main memory at double the speed of previous platforms, ensuring rich 3D graphics and video performance.
133MHz Memory Bus	Maximizes the performance of AMD Athlon™ processor-based PC systems at minimal extra cost through support for high-speed PC133 SDRAM and Virtual Channel RAM.
ATA 66 Support	Enhances PC system responsiveness through high-speed HDD connections.
AC-97 Audio	Provides cost-effective solution for delivering high-quality audio capabilities.*
MC-97 Modem	Enables low-cost connectivity to the Internet through an ACR Fax/Modem module.
Support for Four USB Ports	Provides convenient plug and play connections to the growing number of USB peripherals and enables Legacy Free system designs.

*Requires onboard audio Codec or ACR expansion slot on the motherboard.

Benefits of VIA KT133A

PerformancePerformance
The VIA Apollo KT 133A provides a 266 MHz front side bus, up to 1.5 GB of PC133 SDRAM and VC133 DRAM memory, and support for AGP 4X/2X for AMD Athlon™ XP and Duron™ Socket A processors-based systems.

Block Diagram

Key Features

» Supports AMD Athlon™ and Duron™ processors
» 200/266MHz FSB Settings
» Support for AGP 2X/4X
» Supports up to 1.5GB PC100/133 SDRAM and Virtual Channel memory
» Support for Advanced Communications Riser (ACR) Card Standard
» Integrated 2 Channel AC-97 Audio
» Integrated MC-97 Modem
» Support for ATA 33/66/100
» 4 USB ports, UHCI compliant
» Integrated hardware monitoring
» Advanced power management capabilities including ACPI/OnNow and AMD PowerNow™
» 552-pin BGA VT8363A North Bridge
» 352 -pin BGA VT82C686B South Bridge

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VIA KT133A

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