WAFER-ULT3/ULT4 3.5" SBC
Page 115
D.1 Introduction
The DIO connector on the WAFER-ULT3/ULT4 is interfaced to GPIO ports on the Super
I/O chipset. 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
Sub-function:
AL – 8
:Set the digital port as INPUT
AL
:Digital I/O input value
Summary of Contents for WAFER-ULT3
Page 14: ......
Page 15: ...WAFER ULT3 ULT4 3 5 SBC Page 1 Chapter 1 1 Introduction...
Page 19: ...WAFER ULT3 ULT4 3 5 SBC Page 5 Figure 1 3 Connectors Solder Side...
Page 25: ...WAFER ULT3 ULT4 3 5 SBC Page 11 Chapter 2 2 Packing List...
Page 29: ...WAFER ULT3 ULT4 3 5 SBC Page 15 Chapter 3 3 Connectors...
Page 60: ...WAFER ULT3 ULT4 3 5 SBC Page 46 Chapter 4 4 Installation...
Page 84: ...WAFER ULT3 ULT4 3 5 SBC Page 70 Chapter 5 5 BIOS...
Page 119: ...WAFER ULT3 ULT4 3 5 SBC Page 105 Appendix A A Regulatory Compliance...
Page 121: ...WAFER ULT3 ULT4 3 5 SBC Page 107 Appendix B B BIOS Options...
Page 124: ...WAFER ULT3 ULT4 3 5 SBC Page 110 Appendix C C Terminology...
Page 128: ...WAFER ULT3 ULT4 3 5 SBC Page 114 Appendix D D Digital I O Interface...
Page 131: ...WAFER ULT3 ULT4 3 5 SBC Page 117 Appendix E E Watchdog Timer...
Page 134: ...WAFER ULT3 ULT4 3 5 SBC Page 120 Appendix F F Hazardous Materials Disclosure...