1301986 945G PB.qxd (Page 1)
Product Brief
Intel® 945G Express Chipset
The Intel® 945G Express Chipset Takes the
Award-Winning PCI Express* Architecture
to New Levels
Platforms based on the Intel® 945G
Express Chipset, combined with
either the Intel® Pentium® D processor
or Intel® Pentium® 4 Processor with
HT Technology1 deliver innovative
features and new benefits for both
home and business. Exciting
improvements expand digital home
capabilities, while providing
enhanced manageability, security and responsiveness to meet
evolving business needs.
The Intel 945G Express Chipset delivers outstanding system performance through high-bandwidth
interfaces such as dual-channel DDR2 memory, 1066 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.
This chipset also supports stunning displays with the Intel® Graphics Media Accelerator 950 (Intel®
GMA 950) enhanced integrated graphics controller.
PCI Express*
The PCI Express* architecture enables increased bi-directional bandwidth to the graphics and I/O
interfaces. With theoretical bandwidth up to 4 GB/s per direction, the PCI Express x16 graphics
port can provide more than three and a half times the graphics bandwidth over previous highperformance discrete graphics solutions.
Memory Architecture
To support faster memory, increased graphics requirements, and I/O bandwidth, the Intel 945G
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.
Intel® Graphics Media Accelerator 950
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 dualindependent 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.
Intel® I/O Controller Hub (Intel® ICH7/R)
The Intel 945G Express Chipset integrates Intel® High Definition Audio3 (Intel® HD Audio) enabling
premium home theater sound and delivers advanced features such as multiple audio streams and
jack re-tasking.
The Intel 945G Express Chipset elevates storage performance
with next-generation Serial ATA (SATA) and enhancements to
Intel® Matrix Storage Technology4. 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 Technology5 (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.
Intel® Stable Image Platform Program
†
The Intel® 945G Express Chipset supports Intel® Pentium® D processor and all other
Intel® Pentium® processors and Intel® Celeron® processors in the LGA775 socket,
with scalability for future processor innovations.
§ Media Expansion Cards (MEC) are provided by third party manufacturers. In addition,
utilizing a MEC requires a system equipped with an Intel® 945G Express Chipset.
The Intel 945G Express Chipset is a critical element of 2005
Intel Stable Image Platform Program. Businesses can take
advantage of this program to help reduce the cost of software
image qualification and maintenance.
Features
Benefits
1066/800/533 MHz
System Bus
Supports Intel® Pentium® D processor, Intel® Pentium® 4 Processor with HT Technology and all other Intel®
Pentium® processors and Intel® Celeron® processors in the LGA775 socket, with scalability for future processor
innovations.
PCI Express* Interface
The PCI Express* x16 graphics delivers greater than 3.5 times the bandwidth over the traditional AGP 8X interface
and supports the latest high-performance graphics cards. The PCI Express x1 I/O ports offer 3.5 times the
bandwidth over traditional PCI architecture, delivering faster access to peripheral devices and networking.
Intel® Graphics Media
Accelerator 950
Delivers richer visual color and picture clarity without the need for additional discrete graphics cards.
Intel® High Definition Audio
Integrated audio support enables premium home theater sound and delivers advanced features such as multiple
audio streams and jack re-tasking. The Dolby* PC Entertainment Experience6 is available exclusively on systems
with Intel® High Definition Audio.
Intel® Matrix Storage
Technology
Provides quicker access to digital photo, video and business files with RAID 0, 5, and 10, and protection
against data loss from a hard disk drive failure with RAID 1, 5, and 10.
Intel® Active Management
Technology
Enables remote, down-the-wire management of out-of-band networked systems regardless of system state.
Helps improve IT efficiency, asset management and system security and availability.
Serial ATA (SATA) 3 Gb/s
High-speed storage interface supports faster transfer rate for improved data access.
Dual-Channel DDR2
Memory Support
Delivers up to 10.7 GB/s of bandwidth and 4 GB memory addressability for faster system responsiveness and
support of 64-bit computing.
Intel® Flex Memory
Technology
Facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode.
For more information, visit the Intel Web site:
www.intel.com/products/desktop/chipsets
1
2
3
4
5
Look for systems with the Intel® Pentium® 4 Processor with HT Technology and also including an Intel® 955, 945, 925, 915 or 910 Express Chipset (see the product spec sheet or ask
your salesperson). Performance and functionality will vary depending on (i) the specific hardware and software you use and (ii) the feature enabling/system configuration by your
system vendor. See www.intel.com/product/ht/hyperthreading_more.htm for information on HT Technology or consult your system vendor for more information.
Media Expansion Cards (MEC) are provided by third party manufacturers. In addition, utilizing a MEC requires a system equipped with an Intel® 945G Express Chipset.
Intel® High Definition Audio requires a system with the Intel 955, 945, 925, 915 or 910 Express Chipset and a motherboard with an appropriate codec and the necessary drivers
installed. System sound quality will vary depending on the codec, drivers and speakers.
Intel® Matrix Storage Technology requires a motherboard with the Intel® 82801FR (ICH6R) or Intel® 82801GR (ICH7R) I/O Controller Hub System. The system must also have the RAID
controller in the BIOS enabled and the Intel Matrix Storage Technology software driver installed. Please consult your system vendor for more information.
Intel® Active Management Technology requires a system with an Intel® 955X, 945G, or 945P Express Chipset, Intel® PRO/1000 PM network connection and appropriate third party
software. The system must be plugged into a power source and connected to a LAN.
6 The Dolby* PC Entertainment Experience Initiative is only available on systems based on the Intel 955, 945, 925, 915 or 910 Express Chipset.
Only boards with either Dolby PC Sound Room Ready or Dolby Home Theater Ready or Dolby Master Studio Ready logo and, systems with
either the Dolby Sound Room, Dolby Home Theater or Dolby Master Studio logos are capable of supporting the Dolby PC Entertainment
Initiative.
* Other names and brands may be claimed as the property of others.
Intel, the Intel logo, Intel Inside, the Intel Inside logo, Celeron, and Pentium are trademarks or registered trademarks of Intel Corporation or its
subsidiaries in the United States and other countries.
Copyright © 2005 Intel Corporation. All rights reserved. Printed in USA/0505/MS/DN/2.5K
Order Number: 307062-001US
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