Processing and memory
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Dual 1.25GHz PowerPC G4 processors |
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Velocity Engine vector processing unit |
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Full 128-bit internal memory data paths |
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Powerful floating-point unit supporting single-cycle, double-precision calculations |
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Data stream prefetching operations supporting four simultaneous 32-bit data streams |
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256K on-chip L2 cache running at processor speed |
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2MB DDR SRAM L3 cache per processor, with up to 4.6GBps throughput |
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167MHz system bus supporting over 1.3GBps data throughput |
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512MB PC2700 DDR SDRAM main memory supporting up to 2.7GBps throughput |
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Four DIMM slots supporting up to 2GB of DDR SDRAM using one of the following:(3):
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256MB DIMMs (64-bit-wide, 128-Mbit) |
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512MB DIMMs (64-bit-wide, 256-Mbit) |
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Graphics and display support
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Graphics card installed in a dedicated AGP 4X graphics slot:
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ATI Radeon 9000 Pro graphics card with 64MB of DDR SDRAM |
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Support for digital resolutions up to 1920 by 1200 pixels and analog resolutions up to 1600 by 1200 pixels |
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ADC and DVI connectors; DVI to VGA adapter included |
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Dual display support for extended desktop and video mirroring modes |
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Support for up to two Apple displays(1) |
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Communications
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10/100/1000BASE-T Ethernet connector (RJ-45) |
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Built-in antennas and card slot for optional 11Mbps AirPort Card; IEEE 802.11b compliant(5) |
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Built-in 56K v.92 modem(6) |
Storage and expansion
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Four 3.5-inch hard drive expansion bays:
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One 120GB 7200-rpm Ultra ATA drive. |
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Support for up to four internal ATA drives (two Ultra ATA/100 and two Ultra ATA/66) |
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Support for up to four internal SCSI drives (requires PCI SCSI card, sold separately) |
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Support for a combination of internal SCSI and ATA drives (for a total of four) |
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One of the following optical drives:
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SuperDrive (DVD-R/CD-RW); writes DVD-R discs at 2x speed, reads DVDs at 6x speed, writes CD-R discs at 8x speed, writes CD-RW discs at 4x speed, reads CDs at 24x speed) |
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Optional Combo drive (DVD-ROM/CD-RW) in second optical drive bay |
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Four open full-length 64-bit, 33MHz PCI slots |
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One AGP 4X slot with graphics card installed |
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Peripherals and audio
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Two 400Mbps FireWire ports (15W total power)(7) |
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Two USB 1.1 ports |
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Front headphone jack |
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Built-in speaker |
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Stereo audio line in and line out minijacks |
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Apple speaker minijack for connection to optional Apple Pro Speakers |
Electrical and environmental requirements
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Meets ENERGY STAR requirements |
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Line voltage: 100V-125V AC or 200V-240V AC |
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Frequency: 50Hz to 60Hz, single phase |
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Maximum current: 6.5A (low voltage range) or 7.5A (high voltage range) |
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Operating temperature: 50° to 95° F (10° to 35° C) |
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Storage temperature: -40° to 116° F (-40° to 47° C) |
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Relative humidity: 5% to 95% noncondensing |
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Maximum Altitude: 10,000 feet |
Size and weight
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Height: 17.0 inches (43.2 cm) |
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Width: 8.9 inches (22.7 cm) |
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Depth: 18.4 inches (46.8 cm) |
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Weight: 42 pounds (19.1 kg)(8) |
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