Owner manual
Table Of Contents
- Revision
- Copyright
- Manual Conventions
- Packing List
- Table of Contents
- List of Figures
- List of Tables
- BIOS Menus
- 1 Introduction
- 2 Specifications
- 3 Unpacking
- 4 Installation and Configuration
- 4.1 Installation Precautions
- 4.2 Preinstalled Components
- 4.3 Installation and Configuration Steps
- 4.4 Remove the Back Cover
- 4.5 Jumper Settings
- 4.6 Drive Installation
- 4.7 Mounting the System
- 4.8 External Peripheral Interface Connectors
- 5 BIOS Setup
- 5.1 Introduction
- 5.2 Main
- 5.3 Advanced
- 5.4 PCI/PnP
- 5.5 Boot
- 5.6 Security
- 5.7 Chipset
- 5.8 Exit
- 6 Software Installation
- 7 System Maintenance
- A BIOS Options
- B Terminology
- C Digital I/O Interface
- D Watchdog Timer
- E Address Mapping
- F Compatibility
- G Hazardous Materials Disclosure
- Index

PPC-5xxx-9455 Panel PC
Page 161
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