IO Interfaces


SCSI port (HDI-30 connector) for hard drives, scanners, printers, and other devices; also supports PowerBook SCSI disk mode

PC Cards

Two PC Card (PCMCIA card) slots support either two Type I or

Type II cards or one Type III card Lower slot also supports "zoom video," a method of displaying video signals from a PC card

Apple Desktop Bus (ADB) port for keyboard, mouse, or other input devices using a low-speed, synchronous serial bus 200 mA maximum current draw for all ADB devices Supports up to three ADB devices in a daisy chain

Serial Serial port for printer, modem (including Geo Port support),

LocalTalk network, or other serial devices (RS-422)

Sound Sound output port for external audio amplifier/powered speakers, stereo mini-jack, 3-connector, standard 3.5-mm stereo miniplug; sound input port for stereo sound input (line level), stereo mini-jack, 3-connector, standard 3.5-mm stereo miniplug

16-bit stereo sound in and out supports 44.1 kHz ("CD quality"

sound), 22 kHz, and 11 kHz sample rates Four built-in speakers; two housed in the display and two at the top of the keyboard

Infrared Built-in infrared that supports two types of transmission—230

kilobit-per-second IRTalk and 1 megabit-per-second IrDA

Power Adapter Power adapter port

Video Video port for up to 16-bit/thousands-of-color video output to most Apple monitors (with the supplied adapter), VGA monitors (640 x 480), and SVGA monitors (800 x 600, 1024 x 768)

Security Connector on side panel allows users to attach security device;

also secures battery and any module in expansion bay

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