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- Macintosh Classic II Technical Specifications
-
- Copyright 1991, Apple Computer, Inc.
-
- Microprocessor: MC68030, 32-bit architecture, 16 MHz clock speed
-
- Memory: The Classic II 2/40 comes with 2MB of RAM on the logic
- board and 2 memory expansion slots for SIMMs (Single
- In-line Memory Modules).
-
- The Classic II 4/80 comes with 2MB of RAM on the logic
- board and two 1MB SIMMs in the expansion slots.
-
- Expand to 10MB of RAM by installing SIMMs in the
- available slots (dealer installation required).
-
- 512K of ROM
-
- Disk drives: Built-in Apple SuperDrive 1.4MB floppy disk drive
-
- Internal 40MB or 80MB Apple SCSI hard disk drive
-
- Video display: Built-in 9-in. diagonal, high-resolution (512 by 342
- pixels) bitmapped monochrome display
-
- Interfaces: One Apple Desktop Bus (ADB) port, supporting a keyboard,
- mouse, and other devices daisy-chained through a low-
- speed synchronous serial bus
-
- Two serial (RS-232/RS-422) ports, 230 kilobits per second
- maximum (up to 0.920 megabits per second if clocked
- externally)
-
- SCSI interface, using a 50-pin internal connector and a
- DB-25 connector for the first external device; all
- subsequent SCSI-based peripherals use standard SCSI-to-
- SCSI interface cables.
-
- 3.5-inch external floppy disk drive (800K or 1.4MB)
- interface
-
- Sound port for external audio amplifier or headphones
-
- Sound-in port for monaural sound input
-
- Internal connector for optional math coprocessor
-
- Keyboard: ADB keyboard with numeric keypad
-
- Two-level tilt adjustment
-
- Mouse: Apple Desktop Bus Mouse; mechanical tracking; optical
- shaft or contact encoding: 90 to 110 pulses per in. (3.51
- to 4.29 pulses per mm) of travel
-
- Microphone: Electret, omnidirectional; output voltage is 4
- millivolts, peak to peak, at normal volume.
-
- Sound generator: Monophonic 8-bit digital-analog conversion using 22-
- kilohertz sample rate, capable of driving stereo
- headphones or other stereo equipment through the sound
- jack
-
- Clock/calendar: Custom chip with long-life lithium battery
-
- Fan: 10 cu. ft./min. axial
-
- Positive pressure cooling
-
- Disability
- access: CloseView, Easy Access, and visible beep included with
- system software. These features and third-party options
- provide alternative input and output tools for people
- with disabilities.
-
- Electrical
- requirements: Line voltage: 120 volts AC, RMS (nominal)
-
- Frequency: 47 to 63 Hz, single phase
-
- Power: 100 watts maximum
-
- ADB power
- requirements: Maximum current draw for all ADB devices: 500 milliamps
- (a maximum of three devices is recommended)
-
- Mouse draws 80 milliamps.
-
- Keyboard draws 25 milliamps.
-
- Size and
- weight: Main unit: Height 13.2 in. (33.6 cm)
- Width 9.7 in. (24.6 cm)
- Depth 11.2 in. (28.5 cm)
- Weight 16 to 17.1 lb. (7.3 to 7.8 kg)*
-
- Mouse: Height 1.1 in. (2.8 cm)
- Width 2.1 in. (5.3 cm)
- Depth 11.2 in. (28.5 cm)
- Weight 6 oz. (.17 kg)
-
- Keyboard: Height 1.3 in. (3.3 cm)
- Width 16.0 in. (40.5 cm)
- Depth 5.9 in. (15.1 cm)
- Weight 1.96 lb. (.89 kg)
-
- Operating
- environment: Operating temperature: 50 to 104 degrees F
- (10 to 40 degrees C)
-
- Storage temperature: -40 to 116.6 degrees F
- (-40 to 47 degrees C)
-
- Maximum altitude: 15,000 ft (4,722 m)
-
- *Weight will be greater with internal hard disk.
- _______________________________________________________________________________
- Apple Products
- New Apple Products
- Macintosh Classic II CPU
- 21-Oct-91
-
-