Microprocessor
--------------
- 68030, running at 25 MHz
- 68882 math coprocessor, running at 25 MHz
Memory
------
- Comes with 4MB pseudostatic RAM, 2MB on the logic board and 2MB on a
RAM expansion card that fits into a card slot.
- Expand to 8MB of RAM by replacing the 2MB expansion card with either a
4MB or 6MB RAM expansion card.
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 hard disk
Display
-------
- 10 inch (254 mm) diagonal
- Backlit active-matrix 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
-----
- Internal 2400-baud modem with fax send at 9600 baud; includes fax 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 50 milliamps (a maximum of
three ADB devices is recommended)
Electrical Requirements
-----------------------
- Line voltage: 110 to 220 volts
- Frequency: 50 to 60 Hz
Environmental Requirements
--------------------------
- Operating temperature: 50 to 104 degrees F (10 to 40 degrees C)
- Storage temperature: -40 to +149 degrees F (-40 to +65 degrees C)
- 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. (3.08 kg)
Noise Level
-----------
Noise free except for floppy or hard disk use.
Article Change History:
22 Mar 1995 - Updated altitude information.
27 Aug 1993 - Revised to reflect correct storage temperatures.
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