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Intel® 855PM Chipset

The Intel® 855 chipset family contains Intel® Centrino® processor technology and is designed to deliver great performance at lower power.

The Intel® 855PM chipset memory controller hub (MCH-M) is a mobile chipset solution that has been optimized to support the Intel® Pentium® M processor, high speed DDR memory and a hub interface to ICH4-M. This chipset has an AGP 4X interface and provides flexible support for high performance discrete graphics solutions.

Intel® 855PM Chipset
Features and Benefits
400 MHz low power processor system bus Supports 400 MHz system bus for single processor configurations.
Support for up to 2 GB of DDR 333/266/200 memory technology Higher performance & flexibility.
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.
AGP4X interface High-bandwidth interface to provide flexible support for high performance mobile discrete graphics solutions.
Intel® Stable Image technology Enables chipset HW changes, minimizing impact to IT SW image stability.
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.
Packaging information
82855PM (MCH) 593 pin Micro-FCBGA
I82801DBM (ICH4-M) 421 pin Micro-BGA