Table of Contents
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HU430 NLX Motherboard User Guide
Contents
1
OVERVIEW ...................................................................................................................................3
1.2.1
Build-time............................................................................................................................4
1.2.2
User Configurable...............................................................................................................4
2
ELECTRONICS.............................................................................................................................6
..................................................................................................................................6
.................................................................................................................................6
............................................................................................................................7
......................................................................................................................................7
2.4.1
Main Memory......................................................................................................................7
2.4.2
BIOS....................................................................................................................................7
...........................................................................................................................................7
..........................................................................................................................................8
I/O .............................................................................................................................8
2.7.1
Keyboard and Mouse ..........................................................................................................9
2.7.2
Floppy Disk Interface..........................................................................................................9
2.7.3
Serial Ports .........................................................................................................................9
2.7.4
Parallel Port .......................................................................................................................9
I/O...........................................................................................................................9
2.8.1
IDE Disk Controller............................................................................................................9
2.8.2
Universal Serial Bus (USB) ..............................................................................................10
2.8.3
System Management Bus (SMBus)....................................................................................10
2.9.1
Regulators .........................................................................................................................10
2.9.2
Battery...............................................................................................................................10
2.10
2.10.1
Global Power States .....................................................................................................11
2.10.2
Power-on Control .........................................................................................................11
2.11
2.11.1
Industry Standard Architecture (ISA) ...........................................................................11
2.11.2
Peripheral Component Interconnect (PCI) ..................................................................12
2.12
2.12.1
ISA DMA Channels.......................................................................................................12
2.12.2
ISA Interrupts ...............................................................................................................12
2.12.3
PCI Interrupts...............................................................................................................13
2.12.4
PCI Device Selection ....................................................................................................13
2.12.5
PCI Arbitration.............................................................................................................13
3
ELECTRICAL, MECHANICAL, THERMAL.........................................................................13
3.2 PCB............................................................................................................................................13
...................................................................................................................................14
APPENDIX A. JUMPERS AND SWITCHES....................................................................................15
APPENDIX B. CONNECTOR ASSIGNMENTS ..............................................................................17
Mitsubishi Electric PC Division
...........................................................................................................3
............................................................................................................4
.........................................................................................................................5
..............................................................................................................10
...........................................................................................................11
.................................................................................................................11
.................................................................................................12
..............................................................................................................13
124575UG Revision 2
Page 2 of 21
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