TANK -720 E mbedded S ys tem
P age 101
D.1
Introduction
The DIO connector on the TANK-720 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.
The BIOS interrupt call
INT 15H
controls the digital I/O.
INT 15H:
AH – 6FH
AL – 8 :Set the digital port as INPUT
Sub-function:
AL
:Digital I/O input value
Summary of Contents for TANK-720
Page 9: ...TANK 720 E mbedded S ys tem Page ix E HAZARDOUS MATERIALS DISCLOSURE 103 ...
Page 14: ...TANK 720 E mbedded S ys tem Page 1 Chapter 1 1 Introduction ...
Page 23: ...TANK 720 E mbedded S ys tem Page 10 Chapter 2 2 Unpacking ...
Page 28: ...TANK 720 E mbedded S ys tem Page 15 Chapter 3 3 Ins tallation ...
Page 39: ...TANK 720 E mbedded S ys tem Page 26 Figure 3 13 AT ATX Power Mode Switch ...
Page 61: ...TANK 720 E mbedded S ys tem Page 48 Chapter 4 4 B IOS ...
Page 99: ...TANK 720 E mbedded S ys tem Page 86 Appendix A A R egulatory Compliance ...
Page 105: ...TANK 720 E mbedded S ys tem Page 92 Appendix B B B IOS Options ...
Page 108: ...TANK 720 E mbedded S ys tem Page 95 Appendix C C S afety Precautions ...
Page 113: ...TANK 720 E mbedded S ys tem Page 100 Appendix D D Digital I O Interface ...
Page 116: ...TANK 720 E mbedded S ys tem Page 103 Appendix E E Hazardous Materials Dis clos ure ...