Microprocessor
--------------
* 68030, running at 16 MHz
Address and Data Bus
--------------------
32-bit Address Bus
32-bit Data Bus
Memory
------
* Comes with 2MB or 4MB pseudostatic RAM on the logic board and one memory
expansion slot.
* Expandable to 8MB of RAM by installing a RAM expansion card in the
expansion slot.
Disk Storage
------------
* One built-in 1.4MB drive that uses high-density floppy disks; it reads,
writes, and formats Macintosh, MS-DOS, OS/2, and ProDOS disks.
* One internal 40MB or 80MB hard disk
Display
-------
* 10 inch (254 mm) diagonal
* Backlit Supertwist liquid crystal display
* 640 by 400 pixels
Battery
-------
* NiCad, 2.5 ampere-hours, provides 2 to 3 hours of use before recharging
is necessary
* Recharge time: 100% recharged after 5 hours; 80% recharged after 3 hours
Keyboard
--------
* Built-in keyboard with standard Macintosh layout
* Two-level tilt adjustment
Trackball
---------
* Dual-button trackball, 30 mm diameter,
Clock/Calendar
--------------
* CMOS custom chip with long-life lithium battery
Interfaces
----------
* One Apple Desktop Bus (ADB) port for keyboard, mouse, and other devices
using a low-speed, synchronous serial bus
* Two RS-422 serial ports for LocalTalk networking, printers, modems, and
other devices
* One HDI-30 SCSI port for hard disks, scanners, CD-ROM drives, and other
devices
* One sound output port for external audio amplifier
* One sound-in port
Modem
-----
* Optional internal 2400-baud modem with facsimile send at 9600 baud;
includes facsimile send software
* Error correction and compression: MNP 4, 5 and V.42, V.42bis
Sound Generator
---------------
* Apple Sound Chip provides 8-bit sound, capable of driving stereo
headphones or other stereo equipment through the sound port.
Sound Input
-----------
* 8-bit sound, sampled at 11 or 22 kHz
Disability Access
-----------------
* CloseView, Easy Access, and visible beep included with system software.
These built-in solutions and third-party options provide alternative
input and output devices for people with disability.
ADB Power Requirements
----------------------
* Maximum current draw for all ADB devices is 200 milliamps (a maximum of
three ADB devices is recommended)
Electrical Requirements
-----------------------
* Line voltage: 100 to 240 volts
* Frequency: 50 to 60 Hz
Environmental Requirements
--------------------------
* Operating temperature: 50 to 104 degrees F (10 to 40 degrees C)
* Storage Temperature: -40 to 65í C (-40 to 148í F)
* Relative humidity: 20% to 80% noncondensing
* Altitude: Operating: 3048 m (10,000 ft.) maximum
Shipping (non-operating) 0 to 15,000 ft. (0 to 4,722 m)
Size and Weight
---------------
* Height 2.25 inches (5.7 cm)
* Width 11.25 inches (28.6 cm)
* Depth 9.3 inches (23.6 cm)
* Weight 6.8 lb (3.03 kg)
Noise Level
-----------
Noise free except for floppy or hard disk use.
Article Change History
----------------------
22 Mar 1995 - Updated operating and shipping altitude ratings.
02 Jun 1993 - Updated to correct voltage specification.
19 Feb 1993 - Updated to correct storage temperature range.
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