Intel BLKD946GZISSL - CONROE LGA775 1066 800FSB DR2 A/V Lan SATA mATX 10Pack ACTIVE Motherboard, Technical Product Specification, Page: 5 / 88

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Contents
1 Product Description
1.1 Overview........................................................................................ 10
1.1.1 Feature Summary ................................................................ 10
1.1.2 Board Layout ....................................................................... 12
1.1.3 Block Diagram ..................................................................... 14
1.2 Online Support................................................................................ 15
1.3 Processor ....................................................................................... 15
1.4 System Memory .............................................................................. 16
1.4.1 Memory Configurations ......................................................... 18
1.5 Intel ® 946GZ Express Chipset ........................................................... 21
1.5.1 Intel 946GZ Graphics Subsystem............................................ 21
1.5.2 USB ................................................................................... 23
1.5.3 Serial ATA Interfaces ............................................................ 24
1.5.4 Parallel IDE Interface ............................................................ 25
1.5.5 Real-Time Clock, CMOS SRAM, and Battery .............................. 26
1.6 Legacy I/O Controller ....................................................................... 30
1.6.1 Serial Port ........................................................................... 30
1.6.2 Parallel Port......................................................................... 30
1.6.3 Diskette Drive Controller ....................................................... 30
1.6.4 Keyboard and Mouse Interface ............................................... 30
1.7 Audio Subsystem............................................................................. 31
1.7.1 Audio Subsystem Software .................................................... 32
1.7.2 Audio Connectors and Headers ............................................... 32
1.8 LAN Subsystem............................................................................... 33
1.8.1 Intel ® 82562G PLC Device ..................................................... 33
1.8.2 LAN Subsystem Software....................................................... 33
1.8.3 RJ-45 LAN Connector with Integrated LEDs .............................. 33
1.9 Hardware Management Subsystem .................................................... 34
1.9.1 Hardware Monitoring and Fan Control...................................... 34
1.9.2 Fan Monitoring..................................................................... 34
1.9.3 Chassis Intrusion and Detection.............................................. 34
1.9.4 Thermal Monitoring .............................................................. 35
1.10 Power Management ......................................................................... 36
1.10.1 ACPI .................................................................................. 36
1.10.2 Hardware Support ................................................................ 38
2 Technical Reference
2.1 Memory Map................................................................................... 43
2.1.1 Addressable Memory............................................................. 43
2.2 DMA Channels................................................................................. 45
2.3 Fixed I/O Map ................................................................................. 46
2.4 PCI Configuration Space Map ............................................................ 47
2.5 Interrupts ...................................................................................... 48