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Contents
1 Product Description
1.1 Overview ....................................................................................................................12
1.1.1 Feature Summary ........................................................................................12
1.1.2 Manufacturing Options.................................................................................13
1.1.3 D850GB Board Layout .................................................................................14
1.1.4 Block Diagram..............................................................................................15
1.2 Online Support ...........................................................................................................16
1.3 Design Specifications .................................................................................................16
1.4 Processor...................................................................................................................19
1.5 System Memory .........................................................................................................20
1.5.1 Memory Features.........................................................................................20
1.5.2 Continuity RIMM Modules ............................................................................20
1.5.3 RDRAM Memory Configuration....................................................................21
1.6 Intel
®
850 Chipset.......................................................................................................22
1.6.1 AGP .............................................................................................................23
1.6.2 USB..............................................................................................................23
1.6.3 IDE Support .................................................................................................24
1.6.4 Real-Time Clock, CMOS SRAM, and Battery...............................................25
1.6.5 Intel
®
82802AB 4 Mbit Firmware Hub (FWH) ...............................................25
1.7 I/O Controller..............................................................................................................26
1.7.1 Serial Port ....................................................................................................26
1.7.2 Parallel Port..................................................................................................26
1.7.3 Diskette Drive Controller ..............................................................................27
1.7.4 Keyboard and Mouse Interface ....................................................................27
1.8 Audio Subsystem (Optional).......................................................................................28
1.8.1 Audio Connectors.........................................................................................29
1.8.2 Audio Subsystem Software ..........................................................................29
1.9 LAN Subsystem..........................................................................................................30
1.9.1 Intel
®
82562EM Platform LAN Connect Device (Optional)............................30
1.9.2 RJ-45 LAN Connector with Integrated LEDs (Optional)................................30
1.9.3 LAN Subsystem Software ............................................................................31
1.10 CNR (Optional)...........................................................................................................31
1.11 Hardware Management Subsystem............................................................................32
1.11.1 Hardware Monitor Component .....................................................................32
1.11.2 Fan Control and Monitoring..........................................................................32
1.12 Power Management ...................................................................................................33
1.12.1 Software Support .........................................................................................33
1.12.2 Hardware Support........................................................................................37