Chapter 1 Introduction 7
Features
vFour independent RS-232 serial ports
vTransmission speeds up to 307.2 kbps
vIndependent I/O addresses and independent/shared IRQ settings for
each of 4 serial ports
vWide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15
vSupports Standard DOS COM1, COM2, COM3, and COM4
vSupports DOS/Windows 3.1, Windows 95/98, Windows NT (ICOM
Utility)
vSupports surge protection: 3000 VDC (PCL-849B/849+)
vLED indicators on each port indicate data flow
vOn-board interrupt status register for greater throughput
vComplete RS-232 Modem-control signals
Specifications
·Bus interface: ISA
·Number of ports: 4
· I/O address: 0x0200 ~ 0x03F8
·IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15
·Data bits: 5, 6, 7, 8
·Stop bits: 1, 1.5, 2
·Parity: none, even, odd