This article outlines the technical specifications of the Apple iBook (Dual USB) computers.

iBook (Dual USB): Technical Specifications

Processor and memory

• 500 MHz PowerPC G3 processor
• 256 KB onchip 1:1 Level 2 cache
• 66 MHz system bus; 66 MHz memory bus
• Integrated floating-point unit and 64 KB on-chip level 1 cache (32 KB data and 32 KB instruction)
• 64 MB or 128 MB of SDRAM; single 30 mm SO-DIMM slot (3.3 V, requires PC100 RAM chips); A maximum of 576 MB or 640 MB of memory can be installed.

Storage (depending on configuration)

• 10 GB IDE hard disk drive (20 GB available). See Note 1.
• Built-in 24x-speed (maximum) CD-ROM drive on some models
• Built-in 8x-speed (maximum) DVD-ROM drive on some models
• Built-in 4x/8x/24x DVD-ROM/CDRW drive on some models

Display

• 30 cm diagonal built-in XGA active-matrix display

Graphics support

• 8 MB of VRAM video memory
• Built-in 2D/3D graphics acceleration through an integrated ATI RAGE Mobility 128 graphics controller with 2X AGP
• Features millions of colors at 1024- by 768-pixel resolution
• Features resolution scaling to 800- by 600-pixel and 640- by 480-pixel resolution with millions of colors
• External composite video
• RGB video output

Battery

• Lithium-ion; 42 Whr
• Up to 5 hours of battery life, depending on configuration and usage

Connectivity

• Two 12 Mbps Universal Serial Bus (USB) ports for USB devices such as printers, storage devices, keyboard, mouse, USB hubs, and data capture probes
• One IEEE-1394 FireWire high-speed serial port
• One external composite video port for displaying video and graphic images on a TV (Requires optional Apple AV cable)
• One RGB video output port and adapter cable (included) for connecting to an external computer monitor or projector
• Power adapter port
• Built-in 10/100BASE-TX Ethernet
• Built-in 56 Kbps modem compatible with K56flex and ITU V.90 standards. See Note 2.
• Optional 11 Mbps AirPort wireless networking card (IEEE 802.11 DSSS compliant). See Note 3.

Sound

• Two built-in stereo speakers
• 16-bit stereo sound output through AV port
• Built-in microphone

Keyboard

• Built-in full-size keyboard with 77 (North America) or 78 (ISO) keys, including 12 function keys, 4 arrow keys (inverted "T" arrangement), and embedded keypad

Apple Trackpad

• Solid-state Apple trackpad provides precise cursor control; supports tap, double-tap, and drag capabilities

Electrical requirements

• Line voltage: 100 V to 240 V AC
• Frequency: 50 Hz to 60 Hz
• EPA ENERGY STAR compliant Environmental requirements
• Operating temperature: 10° C to 35° C
• Storage temperature: -25° C to 60° C
• Relative humidity: 20 percent to 80 percent noncondensing
• Operating altitude: 0 m to 3 050 m
• Maximum storage altitude: 4 575 m

Size and mass

• Width: 285 mm
• Height: 230 mm
• Depth: 34 mm
• Mass (Weight): 2.2 kg

Notes:

1. For hard drive capacity measurements, 1 GB = 1 billion bytes; actual formatted capacity less.

2. Actual modem speeds lower; speed depends on connection rate and other factors.

3. Wireless Internet access requires AirPort Base Station and Internet access (fees may apply). Some ISPs are not currently compatible with AirPort, including America online. Range may vary with site conditions.