Table of Contents
iv
Real Time Clock ............................................................................................................... 20
Setting the Clock ................................................................................................. 20
Battery Backed Static RAM ............................................................................................. 20
Disk on Chip ..................................................................................................................... 21
Enable / Disable................................................................................................... 21
Compatible Devices............................................................................................. 21
Installing the DOC Chip ...................................................................................... 21
CMOS Setup........................................................................................................ 21
Serial Ports........................................................................................................................ 22
COM Port Configuration ..................................................................................... 22
COM3 / COM4 RS-485 Mode Line Driver Control ........................................... 22
Serial Port Connectors ......................................................................................... 23
Parallel Port ...................................................................................................................... 23
EIDE Hard Drive / CD-ROM Interfaces .......................................................................... 25
Utility Connector .............................................................................................................. 26
Keyboard/Mouse Interface .................................................................................. 26
Programmable LED ............................................................................................. 26
External Speaker.................................................................................................. 27
Push-Button Reset ................................................................................................ 27
Floppy Drive Interface...................................................................................................... 27
Video Interface ................................................................................................................. 28
Software Configuration ....................................................................................... 28
Video Resolutions................................................................................................ 28
Video Output Connector...................................................................................... 28
Flat Panel Display Connector .............................................................................. 29
Compatible Flat Panel Displays .......................................................................... 30
Ethernet Interface ............................................................................................................. 31
BIOS Configuration............................................................................................. 31
Status LED........................................................................................................... 31
Ethernet Connector .............................................................................................. 31
Audio ................................................................................................................................ 32
Software Configuration ....................................................................................... 32
External Connections........................................................................................... 32
Watchdog Timer ............................................................................................................... 33
Enabling the Watchdog ....................................................................................... 33
Refreshing the Watchdog .................................................................................... 33
CPU Temperature Monitor ............................................................................................... 33
Analog Input ..................................................................................................................... 34
Hardware Configuration ...................................................................................... 34
External Connections........................................................................................... 34
Calibration ........................................................................................................... 34
Analog Control Register...................................................................................... 35
Digital Control / Analog Status Register............................................................. 36
ADC Data High Register ..................................................................................... 37
ADC Data Low Register...................................................................................... 38
Two’s Complement Data Format (±5V and ±10V Only) ................................... 39
Binary Format (0 to +5V and 0 to +10V Only)................................................... 40
Analog Input Code Example ............................................................................... 40
