B&B Electronics 3PXCC4A manual Appendix a Hardware I/O Map

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Appendix A: Hardware I/O Map

Hex Address

000-00F

020-021

040-043

060-063

080-083

0A0-0AF

200-20F

210-217

2E8-2EF

2F8-2FF

300-31F

320-32F

378-37F

380-38F

3B0-3BF

3D0-3D7

3E8-3EF

3F0-3F7

3F8-3FF

I/O Map of XT Class Machines

Address Function in XT Class Machines

DMA controller (8237A)

interrupt controller (8259A)

timer (8253)

PPI(8255A)

DMA page register (74LS612)

NMI - non maskable interrupt

game port joystick controller

expansion unit

COM4 serial port

COM2 serial port

prototype card

hard disk

parallel print

SDLC

MDA - monochrome adapter and printer

CGA - color graphics adapter

COM3 serial port

floppy diskette controller

COM1 serial port

Manual Document# 3PXCC4A3001

Appendix A: Hardware I/O A-1

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445

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Contents Model 3PXCC4A Table of Contents Introduction and General Information FeaturesSpecifications Use ESD precautions for safe handling Quick Installation GuideManual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Adding Serial Ports in Windows 95/98 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Changing COM Port Resources in Windows 95/98 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Adding Serial Ports in Windows NT Checking Windows 2000 for Available Address/IRQ’s Click on Hardware Click on Device Manager Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Adding Serial Ports in Windows Click Next Click on Add/Troubleshoot a device Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Manual Document# 3PXCC4A3001 Address and IRQ Setting Address Switch Setup Silk Screen Plot of 3PXCC4A PCB Standard Port Addresses Switch SettingsBase Hex Address Binary EquivalentInterrupt Jumper Setup Standard IRQ SettingsSpace Description Shared IRQ Mode Communication Jumper Settings RS-232 ModeRS-422 Mode RS-485 Operation RS-485 ModeRS-422 and RS-485 Termination High Speed ModePinouts Physical Hook-up and TroubleshootingRS-422 Pinouts RJ45 Pin RS-422 SignalCommunication Cable Data RS-422/RS-485 Four Wire Pinout DescriptionTroubleshooting International/USA OfficeEuropean Office Appendix a Hardware I/O Map 3BC-3BE Declaration of Conformity Appendix B Declaration of Conformity Statement