The Intel RG82855PM is a Mobile Graphics and Memory Controller Hub (GMCH) specifically designed for mobile computing platforms. It supports Intel Pentium M processors and Celeron M processors, providing a crucial link between the processor, memory, and graphics subsystems in laptop computers.

Applications:

• Laptop Computers
• Mobile Workstations
• Embedded Systems

Features:

• Supports Intel Pentium M and Celeron M processors with a 400 MHz or 533MHz system bus.
• Integrated Intel Extreme Graphics 2 engine optimized for mobile environments.
• Supports up to 2GB of DDR SDRAM memory for efficient multitasking.
• Advanced power management features to extend battery life.
• Integrated display controller for LCD panels.
• Direct Media Interface (DMI) for communication with the I/O Controller Hub (ICH).

Benefits:

• Optimized Mobile Performance: The RG82855PM is designed to provide a balance between performance and power consumption, making it ideal for mobile computing.
• Integrated Graphics: The Intel Extreme Graphics 2 engine delivers sufficient graphics capabilities for everyday tasks and multimedia applications.
• Power Efficiency: Advanced power management features help to extend battery life, allowing for longer use on a single charge.
• Memory Support: Supports up to 2GB of DDR SDRAM memory, enabling smooth multitasking and efficient operation of demanding applications.
• Display Compatibility: The integrated display controller is optimized for LCD panels, ensuring clear and crisp visuals.

Additional Details:

The RG82855PM is part of the Intel 855 family of chipsets. It is typically paired with an I/O Controller Hub (ICH) to provide support for peripherals such as USB, audio, and storage devices. This chipset is designed to meet the specific power and thermal requirements of mobile computing environments. The key differentiation from other 855 series chipsets is support for the Pentium M processor which offered significant power efficiency improvements.