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Products   Chipsets   845 Chipset
Intel® 845 Chipset Family
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Optimally designed and extensively tested for the Intel® Pentium® 4 Processor, the Intel 845 chipset is designed to maximize the available bandwidth of DDR 200/266 or PC133 SDRAM for performance and mainstream systems.

For more information on the Intel 845 chipset read the product brief (PDF 262KB), "Intel® Pentium® 4 Processor-Based Platform with the Intel® 845 Chipset".

845 Family Chipset System Diagram
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Intel® 845 Chipset Features and Benefits
400 MHz system bus
Increased system bandwidth for greater system responsiveness and seamless user interaction
256 bit Internal data paths
4x the internal data transfer capability over previous generations
Intel® Hub Architecture
Dedicated data paths to deliver maximum bandwidth for I/O intensive applications
DDR 200/266 or
Choice of memory technology to support a full range of price/performance requirements
AGP4X interface
High-bandwidth interface for high-quality 2D, 3D, and video streams
LAN connect interface
Multiple networking options taking advantage of Intel® SingleDriver´┐Ż technology
Alert on LAN* 2.0
Emits an alert in case of software failures or system intrusion, even when the O/S is not present or the system is suspended
Dual USB controllers
Two controllers for four ports, delivering a total USB bandwidth of 24 Mbps
Ultra ATA/100
Takes advantage of the latest industry innovations in HDD features and performance
Intel® Application Accelerator
Software that helps accelerate boot time and application launch times
AC97 Controller
Excellent audio quality, with up to six channels for full surround sound capability including a simultaneous modem connection
Network Riser Card
Allows flexibility for multiple configurations on a single card to extend USB, LAN, and audio
Low-power sleep mode
Energy savings
Intel® Pentium® 4 Processor
478 Flip Chip Pin Grid Array (FCPGA)
82845 MCH
593 Flip Chip Ball Grid Array (FCBGA)
82801BA ICH2
360 Enhanced Ball Grid Array (EBGA)
Open New Markets with DDR Support: Intel® 845 Chipset and Desktop Boards PDF 30K
Intel® Application Accelerator: Accelerate boot time and disk I/O
Benchmarks: Intel® Pentium® 4 processor performance
: Selector Guide
Comparison Chart: Chipsets
Product Information
Software & Drivers: 845 Chipset Family
Development Tools: 845 Chipset
Platform Design Guide:
Pentium 4 Processor in 478-pin Package and 845 Chipset Platform for DDR
Design Guidelines: 845 Chipset Thermal and Mechanical for DDR
Datasheet: 845 Chipset Memory Controller Hub (MCH) for DDR
Specification Update: 845 Chipset Memory Controller Hub (MCH) For DDR
Platform Design Guide:
Pentium 4 Processor in 478-pin Package and 845 Chipset Platform for SDR
Design Guidelines: 845 Chipset Thermal Mechanical for SDR
Datasheet: 845 Chipset Memory Controller Hub (MCH) for SDR
Specification Update: 845 Chipset Memory Controller Hub (MCH) for SDR
Datasheet: 82801BA I/O Controller Hub 2 (ICH2) and 82801BAM I/O Controller Hub 2 (ICH2-M
Specification Update:
82801BA ICH2 and 82801BAM ICH2-M
Application Note: AP-728 ICH Family Real Time Clock (RTC) Accuracy and Considerations under Test Conditions
Datasheets: Pentium® 4 Processor
Design Guides: Pentium® 4 Processor
Datasheet: 82802AB/82802AC Firmware Hub (FWH)
Programmer's Reference Manual: 82802 Firmware Hub Random Number Generator
AGP Retention Mechanism
Related Products
Intel® Pentium® 4 Processor
Related Information
Why buy an 845 chipset-based DDR platform system, PDF 196K
Why buy an 845 chipset-based PC133 SDRAM platform system, PDF 160K
Ad Builder: Photos and Ad Copy
Press Kit: Pentium 4 Processor Platform
Selling Intel® Platforms: Value of Intel® Chipsets and Software

The Pentium 4 processor and 845 chipset may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.

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