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Intel
®
82854 GMCH Overview
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2.0 Intel
®
82854 GMCH Overview
2.1 System Architecture
The Intel
®
82854 GMCH includes a processor interface, DDR SDRAM interface, display
interface, and Hub interface.
Combined with the ULV Intel® Celeron® M Processor or Genuine Intel® Processor, and an ICH4-
M, it provides many of the functions required to deliver the features below:
• Overall system software platform
• Graphic overlay function for the GUI and 3-D graphics for gaming.
• Soft CODEC function
• STB middleware execution
• New STB embedded applications requiring IA level of high performance.
2.1.1 Intel
®
82854 GMCH
The Intel
®
82854 GMCH is in a 732-pin Micro-FCBGA package that contains the following
functionality listed below:
• AGTL+ host bus supporting 32-bit host addressing with Enhanced Intel SpeedStep technology
support
• Supports a single channel of DDR SDRAM memory
• System memory supports DDR 266/333 MHz (SSTL_2) DDR SDRAM
• Integrated graphics capabilities: Graphic Core frequency at 200, 250 MHz
• Supports three display ports: one progressive scan analog monitor and two DVO ports.
• Enhanced Power Management Graphics features