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Chipset
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Introduction
• The chipset is commonly used to refer to a set of
specialized chips on
a computer's motherboard or an expansion card.
• Chipsets are the main controllers on the
motherboard - they allow the CPU to interface
with the various components and expansion
cards installed.”
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Capabilities of Chipset
• Controls all I/O operation
• Multiplexing
• Data transfer
• Memory controller
• EIDE controller
• PCI bridge
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• DMA controller
• Keyboard controller
• PS/2 mouse controller
• Secondary cache controller
• Low-power CMOS SRAM
Capabilities of Chipset
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Advanced Chipset
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Northbridge
• The Northbridge of the chipset handles the
heavy traffic from one bus to another.
• Northbridge chip is responsible for interfacing
the CPU, main memory, local bus and the main
system bus.
• Northbridge supported for Memory
Technologies (64Mbit or 128Mbit SDRAM).
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• The Southbridge chip handles the system’s
peripheral and I/O bus operations.
• The chip also supports a USB port and
UDMA/66 controller for hard drives.
• Southbridge supports Power management
features
Southbridge
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Intel 945- supporting features
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• Supports Intel Celeron D, Pentium 4, Pentium 4
Extreme Edition, Pentium D with 533/800/1066
FSB.
• Dual channel DDR2-400/533/667 memory controller
• PCIEx 16 graphics interface
• GMA 950 integrated graphics core.
945G Northbridge
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945G Northbridge
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• Supports Intel Celeron D, Pentium 4, Pentium 4
Extreme Edition, and Pentium Extreme Edition
with 533/800/1066 MHz FSB
• Dual channel DDR2-400/533/667 memory
controller
• Supporting up to four DIMM modules up to 4
GB
• PCIEx 16 graphics interface
945P Northbridge
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945P Northbridge
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Features of 945 Chipset
• It supports large memory capacity up to 4
GB
• It supports ECC and proprietary memory
boost technology
• It support for DDR2-667
• It supports FSB speed as 1066 MHzwww.ustudy.in
Features of 945 Chipset
• It supports two memory channels
• It consumes less power
• It delivers up to 2x improvement in
graphics performance
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The End
… Thank You…
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