This article provides the technical specifications for the Power Mac G4 (Digital Audio) computer introduced in January, 2001.

Technical Specifications

Processor

466 MHz, 533 MHz, 667 MHz, or 733 MHz PowerPC G4 processor; or dual 533 MHz PowerPC G4 processors

Velocity Engine vector processing unit

Full 128-bit internal memory data paths

Powerful floating-point unit supporting single-cycle, double-precision calculations

Data stream prefetching operations supporting four simultaneous 32-bit data streams

256K on-chip level 2 cache running at processor speed, plus 1MB backside level 3 cache running at one-third the processor speed (667 MHz and 733 MHz systems)

1 MB backside level 2 cache running at half the processor speed (466 MHz and 533 MHz systems)

133 MHz system bus supporting over 1 GBps data throughput

Memory

128 MB or 256 MB of PC-133 SDRAM

Three DIMM slots support up to 1.5 GB of PC-133 SDRAM using the following

• 32 MB, 64 MB, or 128 MB DIMMs (64-bit-wide, 64 Mbit technology)
• 128 MB or 256 MB DIMMs (64-bit-wide, 128 Mbit technology)
• 512 MB DIMMs (64-bit-wide, 256 Mbit technology)

One of the following hard disk drives:

• 30 GB 5400-rpm Ultra ATA/66
• 40 GB 7200-rpm Ultra ATA/66
• 60 GB 7200-rpm Ultra ATA/66

• CD-RW drive (writes CD-R at 8x, writes CD-RW at 4x, reads CD at 32x)
• Combination DVD-R/CD-RW drive (writes DVD-R at 2x, reads DVD at 6x, writes CD-R at 8x, writes CD-RW at 4x, reads CD at 24x)

• One ATA drive preinstalled on standard configurations
• Support for up to two internal ATA drives
• Support for up to three internal SCSI drives
• Support for a combination of internal SCSI and ATA drives (up to one ATA and two SCSI)

Expansion

Four full-length 64-bit, 33 MHz PCI slots

One AGP 4X slot with graphics card installed

Two 400-Mbps FireWire ports (15 W total power)

Two USB ports (12 Mbps each)

Graphics support

ATI RAGE 128 Pro graphics card with 16 MB of SDRAM graphics memory or NVIDIA GeForce2 MX graphics card with 32 MB of SDRAM; installed in a dedicated AGP 4X graphics slot

Optional ATI RADEON graphics card with 32 MB of Double Data Rate (DDR) RAM

Support for up to 1920- by 1200-pixel resolution at 32 bits per pixel (millions of colors)

Apple Display Connector (ADC)

15-pin mini D-Sub VGA connector

Communications

10/100/1000BASE-T Ethernet connector (RJ-45)

Built-in 56K V.90 modem card

Optional 11 Mbps AirPort Card; IEEE 802.11 DSSS compliant

Optional AirPort Base Station containing 56K modem and 10BASE-T Ethernet port

Audio

2.5 mm Apple Speaker sound output port (16 bit) for connection to Apple Pro Speakers

3.5 mm sound output port for headphones (16 bit)

Optional Apple Pro Speakers

Support for external third-party USB digital audio peripherals such as microphones, speakers, and MIDI devices

Keyboard and mouse

Apple Pro Keyboard

Apple Pro Mouse

Electrical requirements and agency approvals

Line voltage: 115 V AC (90 V to 132 V AC) or 230 V AC (180 V to 264 V AC)

Frequency: 47 to 63 Hz, single phase

Current: 10 A (100 V to 120 V) or 5 A (200 V to 220 V)

Maximum continuous AC power: See back of computer.

U.S. EPA ENERGY STAR compliant

Environmental requirements

Operating temperature: 10 °C to 35 °C

Storage temperature: -40 °C to 47 °C

Relative humidity: 5 percent to 95 percent noncondensing

Altitude: 0 m to 3000 m

Size and Mass (Weight)

Height: 432 mm

Width: 226 mm

Depth: 467 mm

Weight: 13.6 kg

Note: Wireless Internet access requires AirPort Card, 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.