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Intel® 855GME Chipset

Intel® 855GME Chipset

The Intel® 855GME chipset graphics memory controller hub (GMCH-M) is a highly integrated mobile solution optimized to support the Intel® Pentium® M processor.

Intel® 855GME Chipset

Chipset Diagram

Product information

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Features and benefits
400 MHz low power processor system bus Supports 400 MHz system bus for single processor configurations.
Supports DDR333 in addition to DDR266/200 memory for up to 2 GB. Intel® 855GME chipset, when paired with DDR-333 memory, contributes to higher integrated graphics performance than 855GM.
New Intel® 855GME integrated graphics solution with Intel® Extreme Graphics 2 technology Intel® 855GME chipset, when paired with DDR-333 memory, contributes to higher integrated graphics performance than 855GM, with realistic 3D graphics with sharp images. It enables balanced memory usage between graphics and system for great performance. Integrated 32-bit 3D/2D Gfx with frequency up to 250 MHz, bi-cubic filter, video mixer rendering or AGP 4x (discrete graphics only).
Integrated high-speed USB 2.0 Support for USB 2.0 peripherals for 40X faster data transfer rate and backward compatible to support USB 1.0 devices.
Dynamic input/output buffer disabling for processor system bus & memory Reduces chipset power consumption by Intelligent activation or power-down of the processor system bus or memory.
Optimized internal clock gating for 3D & display engines Reduces chipset power consumption by intelligently clocking 3D & display engines based on application needs.
Integrated low voltage differential signal (LVDS) interface Higher integration to enable smaller laptop designs.
Dual independent display View two independent video sources when external monitor or panel is connected to the laptop.
Image rotation Ability to rotate the screen image.
Intel® Stable Image technology Enables chipset HW changes, minimizing impact to IT SW image stability. Additionally, Intel® 855GME supports unified graphics driver, which reduces TCO by converging to one driver for multiple clients.
Intel® Display Power Saving Technology (Intel® DPST) support Can reduce display backlight power by up to 25% with minimal visual impact to the end user, depending on Intel® DPST settings and system use.
Supports Intel® Dual-Frequency Graphics Technology (Intel® DFGT). Reduces integrated graphics chipset power. This feature is end-user configurable.
Supports C3 memory self-refresh. Provides chipset and DIMM power savings.

Technical Documents

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Packaging information
82855GME (MCH) 732 pin Micro-FCBGA
I82801DBM (ICH4-M) 421 pin Micro-BGA