Microprocessor
--------------
Motorola 68030, running at 25 MHz
Memory
------
Comes with 4 MB of pseudostatic RAM (PSRAM)
Expands to 8 MB of RAM with the addition of a 4-MB PSRAM expansion card
Disk storage
One built-in 1.4-MB Apple SuperDrive disk drive that uses high-density
floppy disks and reads, writes, and formats Macintosh, MS-DOS, OS/2, and
ProDOS disks
One internal 80-MB hard disk drive
Display
-------
10-in. (254 mm) diagonal
Backlit supertwist passive-matrix display, 640 by 400 pixels
Battery
-------
Nickel-cadmium which provides 2 to 3 hours of portable computer use
before recharging is necessary
Keyboard
--------
Built-in keyboard with standard Macintosh layout
Two-level tilt adjustment
Trackball
---------
30-mm (approx. 1.25-inch) diameter, two buttons
Clock/Calendar
--------------
CMOS custom-integrated circuit with long-life lithium battery
Interfaces
----------
One Apple Desktop Bus (ADB) port for keyboard, mouse, and other input
devices
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-out port for external audio amplifier or headphones
One sound-in port
Modem
-----
Internal PowerPort Bronze 2400-bps modem from Global Village Communication
with fax send/receive at 9600 baud; includes fax send/receive software
and ZTerm software
Sound Generator
---------------
Apple Sound Chip provides 8-bit sound and is capable of driving stereo
headphones or other stereo equipment. These devices connect to the Apple
Sound Chip through the sound port.
Sound input
-----------
8-bit sound, sampled at 11 or 22 kHz
Disability Access
-----------------
CloseView, Easy Access, and visible-beep software are included with
system software. These built-in third-party options provide alternative
means of input and output for people with disabilities.
ADB Power Requirements
----------------------
Maximum current draw for all ADB devices is 200 mA (milliamps) (a maximum
of three ADB devices is recommended)
Electrical Requirements
-----------------------
Line voltage: 110 to 220 V
Frequency: 50 to 60 Hz
Environmental Requirements
--------------------------
Operating temperature: 50 F to 104 F (10 C to 40 C)
Storage temperature: -13 F to 140 F (-25 C to 60 C)
Relative humidity: 20% to 80% noncondensing
Operating altitude: 0 to 10,000 ft. (0 to 3048 m)
Maximum storage altitude: 15,000 ft. (4722 m)
Size and Weight
---------------
Height: 2.25 in. (5.7 cm)
Width: 11.25 in. (28.6 cm)
Depth: 9.3 in. (23.6 cm)
Weight: 6.8 lb. (3.03 kg)
Article Change History:
05 Jun 1996 - Corrected minor typographical error.