Main unit

• Processor
• PowerPC™
• 603 processor @ 75 megahertz (MHz) clock frequency Memory
• 8 megabytes (MB) minimum of dynamic random-access memory (DRAM) installed in one 72-pin DRAM SIMM socket
• A second 72-pin DRAM SIMM socket; RAM can be expanded to 64 MB (80 nanoseconds)
• 4 MB of read-only memory (ROM)
• 256K Level 2 cache memory on 64-bit PowerPC bus
• 1 MB DRAM frame buffer on board (for video support)

• Apple SuperDrive 1.4 MB with auto-eject
• Internal IDE hard disk drive (several capacities available)
• Optional internal CD-ROM player
• A combination of up to seven internal and external SCSI devices can be used

• 512 x 384 resolution with 16-bit color
• 640 x 480 resolution with 16-bit color
• 800 x 600 resolution with 8-bit color
• 832 x 624 resolution with 8-bit color (does not support video input)

• All 12", 13", and 14" Apple Macintosh monitors
• The 15" Apple Macintosh multiple synchronous monitor
• The 16", 17", and 20" Apple Macintosh multiple synchronous monitors
• The computer is strong enough for you to place on top of it any of the monitors that are 15" or smaller.

• 8-bit monophonic sound input
• 8-bit stereophonic sound output (16-bit CD stereophonic playback)
• Sound input port for optional microphone or line input
• Two sound output ports, level nominally 0.5 volts RMS into 39 ohms
• Internal speaker, muted whenever a plug is inserted into either sound output port

• CMOS custom chip with battery

• Supports all Apple Desktop Bus (ADB) keyboards

• ADB port for keyboard, mouse, and other input devices using a low-speed, synchronous serial bus
• Two serial ports for printers, modems, and other serial devices
• Monitor port (DB-15 connector)
• High-performance SCSI port for a chain of up to seven hard disk drives,
• scanners, printers, and other devices
• LC-compatible 68030 processor-direct slot (96/114-pin)
• Communication slot for optional internal modem or Ethernet card
• (112-pin)
• Video-in slot for optional expansion card providing real-time video display,
• video capture, and overlay (60-pin)
• Port for optional internal TV tuner card

• Support for optional infrared remote control
• Front panel push-button controls for volume
• Front panel stereo headphone jack
• Power on and off from keyboard and optional remote control
• Laser (in optional CD-ROM drive)
• Semiconductor GaAlAs type
• 790 +/&endash; 25 nanometers wavelength
• 0.2-0.6 milliwatts output
• 55° beam divergence
• Environment
• Operating temperature
• 10° C to 40° C (50° F to 104° F)
• Storage temperature
• -40° C to 47° C (-40° F to 116.6° F)
• Relative humidity 5% to 95% noncondens              

Works below 3048 m (10,000 ft.)

• 7.7 kg (17 lb.) without CD-ROM player
• 8.6 kg (19 lb.) with CD-ROM player
• Note: The weight varies depending on the options you purchase.

• 320 mm x 419.5 mm x 109.5 mm (12.6" x 16.5" x 4.3")
• Apple Desktop Bus power requirements
• Maximum current draw for all ADB devices is 500 milliamperes (mA)
• Mouse draws up to 10 mA
• Keyboard draws 25-80 mA (varies with model)
• Note: The maximum number of ADB devices recommended in a daisy chain connected to the ADB port is three.
• AC line input
• Line voltage: 100-240 volts AC, RMS, single phase, nominal
• Frequency: 50-60 hertz
• Power consumption: 55 watts maximum, not including monitor