2807940 uATX Motherboard
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B.3 Assembly Language Samples
B.3.1 Enable the DIO Input Function
The BIOS interrupt call INT 15H controls the digital I/O. An assembly program to enable
digital I/O input functions is listed below.
MOV AX,
6F08H
Sets the digital port as input
INT 15H
Initiates the INT 15H BIOS call
B.3.2 Enable the DIO Output Function
The BIOS interrupt call INT 15H controls the digital I/O. An assembly program to enable
digital I/O output functions is listed below.
MOV AX,
6F09H
Sets the digital port as output
MOV BL,
09H
INT 15H
Initiates the INT 15H BIOS call
Summary of Contents for 2807940
Page 1: ...x x 2807940 User s Manual Micro ATX Motherboard with LGA 775 Socket Version 1 0 ...
Page 17: ...2807940 uATX Motherboard Page 1 1 Introduction Chapter 1 ...
Page 24: ...2807940 uATX Motherboard Page 8 2 Detailed Specifications Chapter 2 ...
Page 55: ...2807940 uATX Motherboard Page 39 3 Unpacking Chapter 3 ...
Page 59: ...2807940 uATX Motherboard Page 43 4 Connector Pinouts Chapter 4 ...
Page 88: ...2807940 uATX Motherboard Page 72 5 Installation Chapter 5 ...
Page 120: ...2807940 uATX Motherboard Page 104 6 Intel AMT Configuration Chapter 8 ...
Page 130: ...2807940 uATX Motherboard Page 114 A Terminology Appendix A ...
Page 135: ...2807940 uATX Motherboard Page 119 B DIO Interface Appendix B ...
Page 138: ...2807940 uATX Motherboard Page 122 C Watchdog Timer Appendix C ...
Page 141: ...2807940 uATX Motherboard Page 125 D Address Mapping Appendix D ...
Page 144: ...2807940 uATX Motherboard Page 128 E Compatibility Appendix E ...
Page 147: ...2807940 uATX Motherboard Page 131 F Intel Matrix Storage Manager Appendix F ...
Page 161: ...2807940 uATX Motherboard Page 145 G Hazardous Materials Disclosure Appendix G ...