IMBA-9454ISA ATX Motherboard
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C.3 Assembly Language Samples
C.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
C.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 IMBA-9454ISA
Page 1: ...IMBA 9454ISA ATX Motherboard Page i...
Page 21: ...IMBA 9454ISA ATX Motherboard Page 1 1 Introduction Chapter 1...
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Page 29: ...IMBA 9454ISA ATX Motherboard Page 9 2 Detailed Specifications Chapter 2...
Page 57: ...IMBA 9454ISA ATX Motherboard Page 37 3 Unpacking Chapter 3...
Page 63: ...IMBA 9454ISA ATX Motherboard Page 43 4 Connector Pinouts Chapter 4...
Page 107: ...IMBA 9454ISA ATX Motherboard Page 87 5 Installation Chapter 5...
Page 143: ...IMBA 9454ISA ATX Motherboard Page 123 6 BIOS Screens Chapter 6...
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Page 203: ...IMBA 9454ISA ATX Motherboard Page 183 7 Driver Installation Chapter 7...
Page 229: ...IMBA 9454ISA ATX Motherboard Page 209 A BIOS Options Appendix A...
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Page 235: ...IMBA 9454ISA ATX Motherboard Page 215 B Terminology Appendix B...
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Page 241: ...IMBA 9454ISA ATX Motherboard Page 221 C DIO Interface Appendix C...
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Page 245: ...IMBA 9454ISA ATX Motherboard Page 225 D Watchdog Timer Appendix D...
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Page 249: ...IMBA 9454ISA ATX Motherboard Page 229 E Address Mapping Appendix E...
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Page 253: ...IMBA 9454ISA ATX Motherboard Page 233 F Compatibility Appendix F...
Page 257: ...IMBA 9454ISA ATX Motherboard Page 237 G Intel Matrix Storage Manager Appendix G...
Page 271: ...IMBA 9454ISA ATX Motherboard Page 251 H Hazardous Materials Disclosure Appendix H...
Page 275: ...IMBA 9454ISA ATX Motherboard Page 255 I Index...
Page 281: ...IMBA 9454ISA ATX Motherboard Page 261 connection 121 W warranty validation 90...