Apple lc 580.performa 580cd Service Manual

 

 Specifications

I/O Interfaces - 4

 

I/O Interfaces

 

Two RS-232/RS-422 serial ports for external modem and 

printer

Modem port uses a 9-pin mini-DIN connector

Printer port uses an 8-pin mini-DIN connector 

 

One SCSI port for expansion 

Accommodates up to six external SCSI devices

 

One AppleDesktop (ADB) port for keyboard and mouse

Maximum of three ADB devices recommended

Maximum current draw: 500 mA(Mouse draws 10 mA; keyboard 

draws 25 mA.)