Last Updated: 01 June 2005
The Intel® 945P Express Chipset takes the award-winning PCI Express architecture to new levels
Platforms based on the Intel® 945P Express Chipset, combined with either the Intel® Pentium® D processor or Intel® Pentium® 4 Processor supporting Hyper-Threading Technology (HT Technology), deliver innovative features and new benefits for both home and business.
The Intel 945P Express Chipset delivers outstanding system performance through high-bandwidth interfaces such as dual-channel DDR2 memory, 1066/800 MHz system bus, PCI Express x16 graphics port and PCI Express x1 I/O ports, next generation Serial ATA and Hi-Speed USB 2.0 connectivity. In addition, the Intel 945P Express Chipset includes support for Intel® Active Management Technology, the next generation of remote client network management for business.
Intel® I/O Controller Hub (Intel® ICH7/R)
The Intel 945P Express Chipset integrates Intel® High Definition Audio2 (Intel® HD Audio) enabling premium home theater sound and delivers advanced features such as multiple audio streams and jack re-tasking.
The Intel 945P Express Chipset elevates storage performance with next-generation Serial ATA (SATA) and enhancements to Intel® Matrix Storage Technology. This chipset has four integrated SATA ports for transfer rates up to 3 Gb/s (300 MB/s) to SATA hard drives or optical devices. Support for RAID 0, 1, 5 and 10 allows for different RAID capabilities that address specific needs and usages. For example, critical data can be stored on one array designed for high reliability, while performance-intensive applications like games can reside on a separate array designed for maximum performance. The Advanced Host Controller Interface (AHCI) provides native hot plug and boosts performance with Native Command Queuing (NCQ) for faster boot times and file transfers.
Intel® Active Management Technology4 (Intel® AMT) is the next generation of remote client network management to enable down-the-wire management, diagnostics and repair of out-of band systems for business.
New chipset, but LGA775 socket retained
The Intel 945P Express Chipset supports the Intel® Pentium® D processor and all other Intel® Pentium® and Intel® Celeron® processors in the LGA 775 socket, with scalability for future processor innovations.
The LGA775 socket, first introduced in 2004 with the i915/925, continues to serve on the i945/955 chipset.
The Intel 945G Express chipset features a new and higher performance integrated graphics core, the GMA 950.
Faster Graphics Capability
The Intel 945G Express Chipset also features an improved graphics core. Intel GMA 950 enhances the user experience with faster graphics, improved Microsoft DirectX* 9.0 3D performance, and better video playback and quality. The increased performance supports both smooth standard and high-definition video playback. Built-in support of consumer electronic displays allows consumers to plug into native high-definition displays and output to either 720p or 1080i resolutions.
The new graphics core, combined with the Intel high-performance dual-channel memory interface, can deliver significant graphics performance over previous Intel platforms. With support for dual independent display, enhanced modes for widescreen flat panels, and optimized 3D, PC platforms based on the Intel 945G Express Chipset can deliver an intense, realistic visual experience without requiring a separate graphics card.
The Intel 945G Express Chipset supports both ADD2 and Media Expansion Cards2 (MECs). ADD2 and Media Expansion Cards allow a user to take advantage of several video output options (DVI, Dual Independent Display, Component, Composite, HDTV and LVDS) in a single-card solution. In addition, MECs enable video input capability and PVR functionality, and will be available to support a wide range of display types and configurations.
Upgraded Internal Infrastructure
To support faster memory, increased graphics requirements, and I/O bandwidth, the Intel 945P/G Express Chipset incorporates an updated Memory Controller Hub (MCH) backbone architecture. This new design includes wider internal data buses that support dual-channel DDR2 memory technology at 667 MHz (up to 10.7 GB/s of peak memory bandwidth) for greater platform performance and memory flexibility. Intel® Flex Memory Technology facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode.
We Are Ready!
These technologies are helping create a new kind of PC, an all-in-one "hi-fi" device with high-definition video, high-fidelity sound and wireless connectivity. With more and more software becoming multithreaded, and with the Microsoft's next generation Windows operating system scheduled to debut next year, these new platforms help to prepare users for the next level in computing.
Security and performance concerns also drive the need for dual and multicore processors as increasingly more and more background tasks are being executed on the PC, even when the user is not doing any real work. The new Intel chipsets will go a long way towards helping users to have a more responsive PC when multitasking.