User ManualTable of ContentsContents7Chapter 1 Overview121.1 Introduction121.2 Hardware Specifications151.3 Safety Precautions171.4 Chassis Dimensions18Figure 1.1: Chassis Dimensions for CeleronM 1GHz18Figure 1.2: Chassis for Pentium 1.8GHz or Faster CPU191.5 Packing List20Figure 1.3: Accessories20Chapter 2 Hardware Functionality222.1 Introduction22Figure 2.1: Front Panel of UNO-3074222.2 RS-232 Interface (COM1~COM2)232.3 RS-232/422/485 Interface (COM3~COM4)232.3.1 16C550 UARTs with 16-byte FIFO Standard232.3.2 RS-422/485 Detection232.3.3 Automatic Data Flow Control Function for RS-485232.3.4 RS-232/422/485 Selection24Figure 2.2: RS-422/485 Jumper Setting24Figure 2.3: RS-232 Jumper Setting242.3.5 RS-485 Auto Flow/RS-422 Master/Slave Selection24Auto Flow & RS-422 Slave/Masters252.3.6 IRQ, I/O Address and Transmission Rate Setting25IRQ Setting via Switch 1 at SW326Transmission Rate (Switch 2 at SW3)262.3.7 Termination Resistor (JP6)272.4 LAN: Ethernet Connector272.5 Onboard Isolated Digital Input272.5.1 Pin Assignments27Figure 2.4: Digital Input Connector Pin Assignments27Digital Input Connector Signal Description282.5.2 Isolated Inputs28Figure 2.5: Isolated Digital Input Connection282.5.3 Interrupt Function of the DI Signals292.5.4 IRQ Level292.5.5 Interrupt Control Register29Interrupt Control Register Bit Map292.5.6 Interrupt Enable Control Function30Interrupt Disable/Enable Control302.5.7 Interrupt Triggering Edge Control30Interrupt Triggering Edge Control302.5.8 Interrupt Flag Bit30Interrupt Flag Bit Values302.6 Onboard Isolated Digital Output312.6.1 Pin Assignments31Figure 2.6: Digital Output Connector Pin Assignments31Digital Output Connector Signals312.6.2 Power On Configuration32Digital Output Power On Configuration322.6.3 Isolated Outputs32Figure 2.7: Isolated Digital Output Connection332.7 Onboard Isolated Counter/Timer342.7.1 Counter/Timer Control Register34Counter/Timer Control Register Bit Map342.7.2 Counter 0 Function Block35Figure 2.8: Counter 0 Function Block352.7.3 Counter 1 Function Block35Figure 2.9: Counter 1 Function Block352.7.4 32-bit Counter Function Block (CTR32Set=1)36Figure 2.10: 32-bit Counter Function Block362.7.5 Counter Clock Source36Counter Clock Source Control Bit362.7.6 Counter Internal Clock36Counter Internal Clock Control Bit362.7.7 Counter Gate Source36Counter Gate Source Control Bit372.7.8 Counter Output Destination37Counter Output Destination Control Bit372.7.9 Counter Interrupt Flag37Counter Interrupt Flag Control Bit372.7.10 Cascaded 32-bit Counter3832-bit Counter Control Bit382.8 Power Input38Figure 2.11: Location of Power P1 and P238Figure 2.12: LED Locations to Monitor Power Input39Power Register Bit Map402.9 LED and Buzzer for System Diagnosis40Figure 2.13: LED Location for System Diagnosis40LED & Buzzer Control Register41Programmable LED Control Bit41Programmable Buzzer Control Bit422.10 USB Connector422.11 PCMCIA: PC Card Slot422.12 VGA Display Connector452.13 Battery Backup SRAM47Figure 2.14: LED Location for Battery Backup472.13.1 Lithium Battery Specification48Figure 2.15: Lithium Battery for SRAM482.14 Reset Button48Chapter 3 Initial Setup503.1 Inserting a CompactFlash Card503.2 Connecting Power503.3 Installing a Hard Disk51Figure 3.1: IDE Connector (CN1 and CN2)553.4 Installing a PCI-bus Card56Figure 3.2: 1st Anti-Vibration Rubber56Figure 3.3: 2nd PCI-bus Card Installation57Figure 3.4: Adjust the Anti-Vibration Rubber573.5 Mounting UNO-3074583.6 Installing Power Cable58Figure 3.5: Internal Backup Power Source583.7 UNO-3074 Mounting Caution59Figure 3.6: UNO-3074 Improper Installation (1)59Figure 3.7: UNO-3074 Improper Installation (2)59Figure 3.8: UNO-3074 Correct Installation603.8 BIOS Setup and System Assignments61Appendix A System Settings and Pin Assignments64A.1 System I/O Address and Interrupt Assignments64UNO-3074 System I/O Port64UNO-3074 Interrupt Assignments65A.2 Board Connectors and Jumpers66Figure A.1: Backplane Connector & Jumpers66Figure A.2: Mainboard Connector & Jumpers (Back)66Figure A.3: Mainboard Connector & Jumpers (Front)67Figure A.4: Daughter Connector & Jumpers (Front)68Figure A.5: Daughter Connector & Jumpers (Back)69Connector and Jumper Descriptions70Connector and Jumper Descriptions70Connector & Jumper Descriptions71A.3 UNO-3074 Control Register72UNO-3074 Control Register72A.4 RS-232 Standard Serial Port (COM1~COM2)73RS-232 Serial Port Pin Assigns73A.5 RS-232/422/485 Serial Port (COM3~COM4)74RS-232/422/485 Serial Port Pin Assigns74A.6 Ethernet RJ-45 Connector (LAN1~LAN2)74Ethernet RJ-45 Connector Pin Assigns74A.7 Power Screw Terminal (PWR)75Power Connector Pin Assignments75A.8 PS/2 Keyboard and Mouse Connector76Keyboard & Mouse Connector Pins76A.9 USB Connector (USB1~USB4)76USB Connector Pin Assignments76A.10 VGA Display Connector77VGA Adaptor Cable Pin Assignmen77Appendix B Programming the Watchdog Timer80Size: 2.87 MBPages: 80Language: EnglishOpen manual