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IMBA-XQ354S Motherboard
Page 153
C.1 Introduction
The DIO connector is interfaced to GPIO ports on the Super I/O chipset. The DIO has both
4-bit digital inputs and 4-bit digital outputs. The digital inputs and digital outputs are
generally control signals that control the on/off circuit of external devices or TTL devices.
Data can be read or written to the selected address to enable the DIO functions.
NOTE:
For further information, please refer to the datasheet for the Super I/O
chipset.
C.2 DIO Connector Pinouts
The Digital I/O port pins and their pin numbers are listed in the table below.
Pin
Description
Super I/O Pin No
Super I/O Pin Description
1
Ground
N/A
N/A
2
VCC
N/A
N/A
3
Output 3
20
GP27
4
Output 2
21
GP26
5
Output 1
22
GP25
6
Output 0
23
GP24
7
Input 3
24
GP23
8
Input 2
25
GP22
9
Input 1
26
GP21
10
Input 0
27
GP20
Table C-1: Digital I/O Connector Pinouts
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.
Содержание IMBA-XQ354S
Страница 2: ...IMBA XQ354S Motherboard Page ii Revision Date Version Changes July 7 2014 1 10 Initial release ...
Страница 17: ...IMBA XQ354S Motherboard Page 1 Chapter 1 1 Introduction ...
Страница 25: ...IMBA XQ354S Motherboard Page 9 Chapter 2 2 Packing List ...
Страница 30: ...IMBA XQ354S Motherboard Page 14 Chapter 3 3 Connector Pinouts ...
Страница 64: ...IMBA XQ354S Motherboard Page 48 Figure 3 27 VGA Connector ...
Страница 65: ...IMBA XQ354S Motherboard Page 49 Chapter 4 4 Installation ...
Страница 94: ...IMBA XQ354S Motherboard Page 78 Chapter 5 5 BIOS Setup ...
Страница 142: ...IMBA XQ354S Motherboard Page 126 Chapter 6 6 Software Drivers ...
Страница 161: ...IMBA XQ354S Motherboard Page 145 Appendix A A BIOS Options ...
Страница 164: ...IMBA XQ354S Motherboard Page 148 Appendix B B Terminology ...
Страница 168: ...IMBA XQ354S Motherboard Page 152 Appendix C C Digital I O Interface ...
Страница 171: ...IMBA XQ354S Motherboard Page 155 Appendix D D Watchdog Timer ...
Страница 174: ...IMBA XQ354S Motherboard Page 158 Appendix E E Intel Matrix Storage Manager ...
Страница 178: ...IMBA XQ354S Motherboard Page 162 Appendix F F Hazardous Materials Disclosure ...