Apple LC 550 User Manual download pdf (Page 4)

Video display

m Built-in 14-inch diagonal, high-resolution Trinitron

color,

640-by-480-pixel, bitmapped display

Interfaces

m Two Apple Desktop Bus (ADB) ports for keyboard, mouse, and

other devices

m Two RS-232/RS-422 serial ports, 230.4 kilobits (Kbits) per second

maximum (up to 920 Kbits per second if clocked externally), for

serial printers, modems, and other serial devices and AppleTalk

networks

m SCSI interface for SCSI hard disks and other SCSI devices

m Sound output port capable of delivering stereo sound

m Front headphone jack capable of delivering stereo sound

m Sound input port for monaural sound input

m Internal expansion slot for processor-direct expansion card

Sound generator

m Records at 11 kHz or 22 kHz sample rate

m Plays back at 11 kHz or 22 kHz sample rate

m Two speakers with enhanced stereo sound

m Allows playing of ordinary audio compact discs

Input

m Line voltage: 100 to 240V AC, RMS automatically configured

m Frequency: 50 to 60 Hz ± 3 Hz single phase

m Power: 120 W maximum

Clock/calendar

m CMOS custom chip with long-life lithium battery

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Apple LC 550 User Manual Page 4