This article provides the technical specifications for the Macintosh PowerBook G3 computer.

• 250-MHz PowerPC G3
• 512K level 2 backside cache accessible @ 100 MHz
• PCI architecture, 33-MHz I/O bus, and 50-MHz system bus

• 32MB of EDO DRAM, supports up to 160MB Storage
• Internal 5GB ATA IDE hard disk drive
• 1.4MB Apple SuperDrive floppy disk drive
• 20x-speed (maximum) CD-ROM drive module

• 12.1-in. (diagonal) active-matrix color SVGA display (thousands of colors), 800 by 600 pixels
• 2MB of VRAM supports millions of colors on external monitor
• Chips and Technology 65554 PCI video controller supports hardware acceleration
• Zoomed Video support through PC Card slot for video-input, MPEG, and TV tuner

• Built-in four-speaker sound system
• 16-bit CD-quality stereo input/output
• Integrated microphone

• One memory expansion slot
• PC Card slots for two Type II PC Cards or one Type III PC Card
• Expansion bay for floppy disk drive, 20x-speed (maximum) CD-ROM drive, or third-party storage or backup solutions; supports all of the Macintosh PowerBook 190 and 5300 series modules

• Apple Desktop Bus (ADB) port
• Serial (RS-422) port
• VGA video-output port
• SCSI port that can accommodate six external devices
• Infrared technology port
• Power adapter port
• Stereo sound input/output port (line level); standard 3.5mm stereo miniplug. A PlainTalk microphone can also be connected to the port.

• Built-in 10BASE-T Ethernet and 33.6-Kbps modem
• Built-in infrared technology supports AppleTalk protocols and 1Mb IrDA standard

• 47-watt hour lithium ion (LiIon) (depending on usage pattern)
• Average life: 2 to 4 hours

• Security slot for locking (requires third-party cable)
• Password security software

• Built-in full-size keyboard with 76 (U.S.) or 77 (ISO) keys, including 12 function keys

• Solid-state Apple trackpad provides precise cursor control; sensing of movement and acceleration is easily adjustable through a control panel; supports tap, double-tap, and drag capabilities

• Line voltage: 100 to 240 volts AC
• Frequency: 50 to 60 Hz

• Operating temperature: 50 degrees to 95 degrees Farenheit (10 degrees to 35 degrees Centigrade)
• Storage temperature: -13 degrees to 140 degree Farenheit (-25 degrees to 60 degrees Centigrade)
• Relative humidity: 20% to 80% noncondensing
• Operating altitude: 0 to 10,000 ft. (0 to 3,048 m)
• Maximum storage altitude: 15,000 ft. (4,572 m)

• Height: 2.4 in. (6.1 cm)
• Width: 11.5 in. (29.2 cm)
• Depth: 9.5 in. (24.1 cm)
• Weight: 7.5 lb. (3.4 kg) with floppy disk drive installed; 7.7 lb. (3.5 kg) with CD-ROM module installed; 7.1 lb. (3.2 kg) with PC Card carrying case installed