* Motorola 68030, running at 33 MHz
* 68882 math coprocessor, running at 33 MHz
Memory
* Comes with 4MB of RAM
* Expands to up to 32MB of RAM with the addition of PowerBook Duo 4MB or 8MB Memory Expansion Kits, or third-party memory expansion cards
Disk Storage
* One internal 240MB hard disk
Display
* 8.4-in. diagonal
* Backlit, active-matrix, color liquid crystal display, 640 by 480 pixels
* Two display modes: 640 by 400 with thousands of colors; 640 by 480 with 256 colors
* LED indicator when computer is in sleep mode
Battery
* Nickel-metal-hydride High Capacity Type II battery provides 2 to 4 hours of computer use before recharging is necessary
* EverWatch Battery Saver technology
Keyboard
* Built-in, 2.4-mm travel, 18-mm pitch
* Two-level tilt adjustment
* LED light when caps lock is engaged
Trackball
* 19-mm diameter, dual-button trackball
Clock/Calendar
* CMOS custom-integrated circuit with long-life lithium battery
Microphone
* Built-in omnidirectional electret; output voltage of 4 mV, peak-to-peak, at normal volume
Interfaces
* Power adapter port
* 152-pin PDS connector for connecting PowerBook Duo Dock, PowerBook Duo MiniDock, PowerBook Floppy Adapter, or other expansion devices
* RS-422 serial port for LocalTalk networking, printers, modems, and other devices
* Port for optional internal modem
File-Transfer Options
* LocalTalk cables and System 7 file sharing
* Serial cable and System 7 file sharing
* Fax/data modem and AppleTalk Remote Access software
* Duo MiniDock with external Apple SuperDrive, SCSI disk adapter, and HDI-30 SCSI system cables
* Duo Dock internal Apple SuperDrive, optional internal hard drive, and HDI-30 SCSI system cable
Docking Options
* PowerBook Duo Dock
* PowerBook Duo MiniDock
* PowerBook Floppy Adapter
* Docking systems from third-party vendors
Modem
* Optional internal PowerBook Express Modem; sends and receives data at 14,400 bps and sends and receives faxes at 9,600 bps. Includes Express Fax software.
Magnesium Subframe
* Provides structural rigidity and heat sink
Sound Generator
* Built-in speaker
* Apple Sound Chip provides monophonic 8-bit sound and is capable of driving stereo headphones or other stereo equipment with the same signal supplied to both channels through any optional PowerBook Duo Dock or PowerBook Duo MiniDock
Sound Input
* 4-voice sound with 8-bit analog-to-digital conversion recording, 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 disabilities.
Electrical Requirements
* Line voltage: 85 to 270 VAC, RMS single phase, automatically configured
* Frequency: 47 to 63 Hz, single phase
* Power: 25 W maximum
ADB Power Requirements
* Maximum current draw for all ADB devices is 100 mA with Powerbook Duo MiniDock or PowerBook Floppy Adapter or 500 mA with PowerBook Duo Dock(a maximum of three ADB devices is recommended)
Environmental Requirements
--------------------------
* Operating temperature: 50í to 104í F (10í to 40í C)
* Storage temperature: ð13í to 140í F (ð25í to 60í C)
* Relative humidity: 20% to 80% noncondensing
* Operating altitude: 0 to 10,000 ft. (0 to 3,048 m)
* Maximum storage altitude: 15,000 ft. (4,722 m)
Size and Weight
---------------
* Thickness: 1.5 in. (3.8 cm)
* Width: 10.9 in. (27.7 cm)
* Depth: 8.5 in. (21.6 cm)
* Weight: 4.8 lb. (2.2 kg)