Quatech ES-100 user manual

Contents ES-100 Page Warranty Information Page EC Council Directive 89/336/EEC FCC Class BGeneral Information Installation Port Address IRQDiagram of ES-100D Setting the address Addressing PortsExamination of a serial port base address Interrupt Status register Interrupt Level IRQInterrupt Sharing Interrupt Status Register contents This page intentionally left blank External Connections Channel Output Configuration ES-100D connector definitionsES-100D output connectors Serial Port Functional Description Accessing the Serial Port registers DlabInterrupt Enable Register Interrupt Identification RegisterInterrupt Identification Register bit definitions Fifo Control Register 16550 only RXT0Line Control Register EPS PEN ParityModem Control Register Modem Control Register bit definitionsLine Status Register Line Status Register bit definitionsModem Status Register Scratchpad RegisterFifo Interrupt Mode Operation 16550 Uart only When the receiver Fifo and receiver interrupts are enabledFifo polled mode operation 16550 Uart only Baud Rate Selection Value Values %Specifications 16450 16550 optionalTroubleshooting Computer will not boot upVersion March Quatech Inc, ES-100 Manual