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BBS in a Box - Macintosh Volume VI (August 1992) (BBS in a Box).iso
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Macintosh Classic II CPUt
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1991-10-21
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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