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Technical Specifications
Processing
Single 2GHz, single 2.3GHz, or dual 2.5GHz dual-core PowerPC G5 microprocessors
PowerPC processor architecture with 64-bit data paths and registers; each core includes:
1MB on-chip L2 cache running at processor speed (total 2MB per processor)
Parallel data structure supporting up to 215 simultaneous in-flight instructions
Simultaneous issue of up to 10 out-of-order operations
Dual-pipeline Velocity Engine for 128-bit single-instruction, multiple-data (SIMD) processing
Two independent double-precision floating-point units
Advanced three-component branch prediction logic
Native support for 32-bit application code
Single 1GHz, single 1.15GHz, or dual 1.25GHz 64-bit DDR bidirectional frontside buses
Point-to-point system controller
Memory
128-bit memory controller and data paths
512MB of 533MHz DDR2 SDRAM (PC2-4200)
Eight DIMM slots supporting up to 16GB of main memory
Support for the following DIMMs (in pairs):
256MB DIMMs (64-bit-wide, 512-Mbit)
512MB DIMMs (64-bit-wide, 512-Mbit)
1GB DIMMs (64-bit-wide, 512-Mbit or 1-Gbit)
2GB DIMMs (64-bit-wide, 1-Gbit)
ECC memory available in configurations with 1GB or more (build-to-order option)
PCI Express expansion (2)
Two open full-length four-lane PCI Express slots
One open full-length eight-lane PCI Express slot
PCI Express cards of any size supported in all slots
Graphics and displays
16-lane PCI Express graphics slot with one of the following graphics cards installed:
NVIDIA GeForce 6600 LE with 128MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port
NVIDIA GeForce 6600 with 256MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port
NVIDIA GeForce 7800 GT with 256MB of GDDR3 SDRAM, one single-link DVI port, and one dual-link DVI port (build-to-order option)
NVIDIA Quadro FX 4500 with 512MB of GDDR3 SDRAM, two dual-link DVI ports, and one stereo 3D port (build-to-order option; occupies 16-lane PCI Express slot and adjacent PCI Express slot)
Support for graphics cards that require up to 150W
Support for digital resolutions up to 1920 by 1200 pixels; dual-link DVI ports support up to 2560 by 1600 pixels
Support for analog resolutions up to 2048 by 1536 pixels
DVI to VGA Adapter included
Dual-display support for extended desktop and video mirroring modes
Support for up to two Apple flat-panel displays for each graphics card installed
Storage
Two 3.5-inch hard drive bays, each with a 150-MBps Serial ATA controller; one of the following is installed:
One 160GB 7200-rpm Serial ATA; 8MB memory buffer(1)
One 250GB 7200-rpm Serial ATA; 8MB memory buffer (1)
One or two 500GB 7200-rpm Serial ATA; 16MB memory buffer (build-to-order option)(1)
16x SuperDrive with double-layer support (DVD+R DL/DVD±RW/CD-RW); writes DVD-R discs at up to 16x speed, writes DVD+R DL discs at up to 6x speed, reads DVDs at up to 16x speed, writes CD-R and CD-RW discs at up to 24x speed, reads CDs at up to 32x speed
Communications
Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames
Optional AirPort Extreme and Bluetooth 2.0 (build-to-order option or installed by Apple Authorized Service Provider)
AirPort Extreme: Based on IEEE 802.11g standard and Wi-Fi Certified for 802.11g and 802.11b interoperability (4)
Bluetooth: Support for Enhanced Data Rate, or data rates up to 3 Mbps
Optional external Apple USB Modem (RJ-11) (5)
Integrated wireless antenna
Peripherals and audio
One FireWire 800 port and two FireWire 400 ports (one on front panel, 15W total power)
Four USB 2.0 ports (one on front panel), two USB 1.1 ports on included keyboard
Front headphone minijack and speaker
Optical digital audio input and output Toslink connectors
Stereo analog line level input and line level output minijacks
Electrical and environmental requirements
Meets ENERGY STAR requirements
Line voltage: 100 - 125V AC or 200 - 240V AC (wide-range power supply input voltage)
Frequency: 50Hz to 60Hz, single phase
Maximum current: At least 10A (low-voltage range) or 5A (high-voltage range)
Operating temperature: 50° to 95° F (10° to 35° C)
Storage temperature: -40° to 149° F (-40° to 65° C)
Relative humidity: 5% to 95% noncondensing
Maximum altitude: 10,000 feet
Size and weight
Height: 20.1 inches (51.1 cm)
Width: 8.1 inches (20.6 cm)
Depth: 18.7 inches (47.5 cm)
Weight (standard configurations): 44.5 to 48.8 pounds (20.2 to 22.1 kg) (6)
www.apple.com
จากคุณ :
K Potter (K Potter)  
- [
25 พ.ค. 49 11:52:45
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