Intel® 975X Express Chipset

Overview

Platforms based on the Intel® 975X Express Chipset and Intel® Pentium® processor Extreme Edition deliver incredible high performance for gaming, multimedia entertainment and demanding business applications of today and tomorrow.The Intel 975X Express Chipset enables Intel's highest desktop performance platforms, with support for the latest Intel dual-core processors, adding intelligence to help manage and prioritize multiple (quad) threads received from the processor.In addition to multiple thread support, the Intel 975X Express Chipset enables key performance-optimized capabilities such as support for multiple 2x8 graphics cards, Intel® Memory Pipeline Technology (Intel® MPT), 8GB memory addressability to enable 64-bit computing, and ECC memory support.

Features and benefits
Supports Intel® Core™2 Processor with Viiv™ TechnologyΔ
Get ready for a new kind of consumer entertainment PC that will change the way you enjoy entertainment at home. With a system based on the Intel® 975X Express Chipset, control the music, movies, games, and photos you want to enjoy both from your personal entertainment collections and endless entertainment options from a wide range of Intel® Core™2 processor with Viiv™ technology verified service providers delivered right to your living room.
1066-/800-MHz System Bus
Supports Intel® Core™2 Extreme processor, Intel® Core™2 Duo processor, Intel® Pentium® processor Extreme Edition and Intel® Pentium® D processor to deliver higher performance for games and applications.
Intel® Memory Pipeline Technology
Enhanced memory pipelining that enables a higher utilization of each memory channel, accelerating data transfers between the processor and system memory, resulting in higher system performance.
Intel® High Definition Audio
Integrated audio support for new consumer electronic formats, increased audio quality, and multiple audio streaming capability for premium digital sound.
PCI Express* Interface
16 lanes of PCI Express in the Memory Controller Hub (MCH) capable of delivering greater than 3.5 times the performance over the traditional AGP 8X interface, supporting the latest graphics cards for demanding games and applications. 6 PCI x1 lanes in the I/O controller hub support a broad array of I/O cards and applications.
PCI Express* configuration flexibility
2 PCI Express controllers in the MCH enable either 1 x 16 or 2 x 8 operation for the 16 PCI Express lanes.
Intel® Matrix Storage Technology
Provides quicker access to digital photo, video, and business files with RAID 0, 5, and 10, and data protection against a hard drive failure with RAID 1, 5, and 10.
Serial ATA* (SATA) 3Gbps
High speed storage improves transfer rate for improved data access.
Dual-channel DDR2 Memory Support
Up to 10.7GB/s of bandwidth and 8GB addressability for faster system response.
Intel® Flex Memory Technology
Facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode.

Related products
Processors
Intel® Core™2 Extreme processor
Intel® Core™2 Duo processor
Intel® Pentium® processor Extreme Edition
Intel® Pentium® D processor
Intel® Pentium® 4 processor
Intel® Pentium® 4 processor Extreme Edition supporting Hyper-Threading Technology◊
Motherboard
Intel® Desktop Board D975XBX
Dual Graphic Cards Support
Support for multiple ATI-based graphics cards with ATI CrossFire* technology
Packaging information

Intel® Core™2 Extreme processor
775 Land Grid Array (LGA)
Intel® Core™2 Duo processor
775 Land Grid Array (LGA)
Intel® Pentium® processor Extreme Edition
775 Land Grid Array (LGA)
Intel® Pentium® D processor
775 Land Grid Array (LGA)
Intel® 82975X Memory Controller Hub
1202 Flip Chip Ball Grid Array (FCBGA)
Intel® 82801GB I/O Controller Hub Intel® 82801GR I/O Controller Hub Intel® 82801GDH I/O Controller Hub
652 Micro Ball Grid Array (mBGA)