Intel 440BX

Intel
®
440Bx Scalable Performance Board Development Kit Manual 3
Contents
Contents
1 About this Manual...................................................................................................................7
1.1 Content Overview .................................................................................................................7
1.2 Text Conventions..................................................................................................................8
1.3 Technical Support.................................................................................................................9
1.3.1 Electronic Support Systems.....................................................................................9
1.3.2 Telephone Technical Support..................................................................................9
1.4 Product Literature .................................................................................................................9
1.5 Related Documents ............................................................................................................10
2Getting Started.......................................................................................................................11
2.1 Overview.............................................................................................................................11
2.1.1 Processor Assembly Features...............................................................................11
2.1.2 Baseboard Features ..............................................................................................12
2.2 Included Hardware..............................................................................................................13
2.3 Software Key Features .......................................................................................................13
2.3.1 General Software, Inc............................................................................................13
2.3.2 QNX Software Systems, Ltd. .................................................................................14
2.4 Before You Begin................................................................................................................15
2.5 Setting up the Evaluation Board .........................................................................................16
2.6 Configuring the BIOS..........................................................................................................18
3 Theory of Operation .............................................................................................................19
3.1 Block Diagram ....................................................................................................................19
3.2 System Operation...............................................................................................................20
3.2.1 Supported Processors ...........................................................................................20
3.2.1.1 Intel
®
Pentium
®
III Processor.................................................................20
3.2.1.2 Intel
®
Celeron™ Processor....................................................................21
3.2.2 82443BX Host Bridge/Controller............................................................................21
3.2.2.1 System Bus Interface.............................................................................21
3.2.2.2 Accelerated Graphics Port (AGP) Interface...........................................22
3.2.2.3 System Clocking ....................................................................................22
3.2.3 In-Target Probe......................................................................................................22
3.2.4 82371EB PCI to ISA/IDE Xcelerator (PIIX4E) .......................................................22
3.2.5 DRAM ....................................................................................................................22
3.2.6 Power.....................................................................................................................23
3.2.7 Power Management...............................................................................................23
3.2.8 Boot ROM ..............................................................................................................23
3.2.9 RTC/NVRAM .........................................................................................................23
3.2.10 Legacy I/O .............................................................................................................23
3.2.11 IDE Support ...........................................................................................................23
3.2.12 Floppy Disk Support ..............................................................................................23
3.2.13 Keyboard/Mouse....................................................................................................23
3.2.14 USB .......................................................................................................................24
3.2.15 RS232 Ports ..........................................................................................................24
3.2.16 IEEE 1284 Parallel Port .........................................................................................24
3.2.17 PCI Connectors .....................................................................................................24
3.2.18 ISA Connectors......................................................................................................24