Intel Desktop Board DX48BT2 Technical Product Specification

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 Legacy Considerations...................................................................... 15

1.3 Online Support................................................................................ 15

1.4 Processor ....................................................................................... 15

1.5 System Memory .............................................................................. 16

1.5.1 Memory Configurations ......................................................... 17

1.6 Intel

X48 Chipset........................................................................... 19

1.6.1 USB ................................................................................... 19

1.6.2 Serial ATA Interfaces ............................................................ 20

1.7 Discrete eSATA/PATA Controller......................................................... 21

1.7.1 External Serial ATA Support................................................... 21

1.7.2 Parallel ATA IDE Controller..................................................... 21

1.8 Real-Time Clock Subsystem .............................................................. 22

1.9 Legacy I/O Controller....................................................................... 23

1.9.1 Consumer Infrared (CIR)....................................................... 23

1.10 Audio Subsystem............................................................................. 24

1.10.1 Audio Subsystem Software .................................................... 24

1.10.2 Audio Connectors and Headers ............................................... 24

1.10.3 8-Channel (7.1) Audio Subsystem........................................... 25

1.11 LAN Subsystem............................................................................... 26

1.11.1 Ethernet Controller ............................................................... 26

1.11.2 LAN Subsystem Software....................................................... 27

1.11.3 RJ-45 LAN Connector with Integrated LEDs .............................. 27

1.11.4 Alert Standard Format (ASF) Support ...................................... 28

1.12 Hardware Management Subsystem .................................................... 29

1.12.1 Hardware Monitoring and Fan Control...................................... 29

1.12.2 Fan Monitoring..................................................................... 29

1.12.3 Chassis Intrusion and Detection.............................................. 29

1.12.4 Thermal Monitoring .............................................................. 30

1.13 Power Management ......................................................................... 31

1.13.1 ACPI................................................................................... 31

1.13.2 Hardware Support ................................................................ 35

1.14 Onboard Power Button ..................................................................... 39

2 Technical Reference

2.1 Memory Resources .......................................................................... 41

2.1.1 Addressable Memory............................................................. 41

2.1.2 Memory Map........................................................................ 43