Apple classic ii.performa 200 Servicehandbuch
Specifications
I/O Interfaces - 4
I/O Interfaces
Floppy Drive
External drive port; DB-19 connector
SCSI
One SCSI parallel port; DB-25 connector
Apple Desktop Bus
One Apple Desktop Bus (ADB) port; mini DIN-4 connector
Serial
Two RS-422 serial ports; mini DIN-8 connectors
Sound
Dual-channel headphone connector
Connected to the monophonic sound output
Macintosh Classic does not provide true two-channel output
(although stereo jack may be used)