Spec Update: Intel® 855PM Chipset MCH DDR 333/200/266 MHz covers errata, specification changes, clarifications and document changes.
Specification Update, 2006: Intel® 82801DBM I/O Controller Hub 4 Mobile (ICH4-M), clarifications, changes, and documentation errata.
Design Guide Update: Intel® Pentium® M Processor and Intel® 855GM Chipset platform design, schematic, layout, routing, and documentation changes.
The Intel® 855 Chipset Family is part of Intel® Centrino® processor technology and is designed to deliver great performance at lower power.
Datasheet: Intel® 82801DBM I/O Controller Hub 4 Mobile (Intel® ICH4-M).
Spec Update, 2007: Intel® 855GM/GME Chipset Graphics and Memory Controller Hub (GMCH) clarifications, changes, and documentation errata.
Datasheet: Intel® 855GM Chipset and Intel® 855GME Chipset Graphics and Memory Controller Hub.
Datasheet: Intel® 855PM Chipset Memory Controller Hub DDR 200/266 MHz.
Design Guide: Intel® 855PM Chipset platform debug tools, power, graphics, hub interface, I/O subsystem, routing guidelines and test signals.
Design Guide Update, 2006: Intel® Pentium® M Processor and Intel® 855PM DDR 266/200 MHz Chipset Platform Design Guide.