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Intel Desktop Board D850GB/D850GBAL Product Guide
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Intel
®
850 Chipset
The Intel 850 chipset consists of the following devices:
• Intel 82850 Memory Controller Hub (MCH) with AHA bus
• Intel 82801BA I/O Controller Hub (ICH2) with AHA bus
• Firmware Hub (FWH)
Intel
®
82850 Memory Controller Hub (MCH)
The MCH has these features:
• Integrated dual Direct Rambus technology memory channel
• Support for 128 MB to 2 GB main system memory
• Auto-detection of RDRAM memory
• Support for a single AGP device
Intel
®
82801BA I/O Controller Hub (ICH2)
The ICH2 has these features:
• Integrated Intel
®
Ethernet LAN MAC (external PLC required)
• Support for the PCI interface
• Support for the Low Pin Count (LPC) interface
• Integrated IDE controller
• Support for USB
• Support for CNR
• General purpose I/O
• Power management logic
• Support for the System Management Bus
• Real-Time Clock
• Support for AC ’97 audio devices and modems
Firmware Hub (FWH)
The FWH has these features:
• System BIOS
• System security and manageability logic that enables protection for storing and updating of
platform information