iMac G5 Thông số kỹ thuật

iTechnical Specifications

• Processor and memory
• 1.6GHz or 1.8GHz PowerPC G5 processor with Velocity Engine
• 512K on-chip level 2 cache at full processor speed
• 533MHz or 600MHz frontside bus
• 256MB of PC3200 (400MHz) DDR SDRAM expandable to 2GB; two memory slots
• Storage
• 80 or 160GB 7200-rpm Serial ATA hard disk drive
• One of the following optical drives:Combo drive (DVD-ROM/CD-RW): reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 16x speed, reads CDs at up to 24x speedSuperDrive (DVD-R/CD-RW): writes DVD-R discs at up to 4x speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 16x speed, writes CD-RW discs at up to 8x speed, reads CDs at up to 24x speed
• Combo drive (DVD-ROM/CD-RW): reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 16x speed, reads CDs at up to 24x speed
• SuperDrive (DVD-R/CD-RW): writes DVD-R discs at up to 4x speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 16x speed, writes CD-RW discs at up to 8x speed, reads CDs at up to 24x speed
• Communications
• Built-in 56K V.92 modem (RJ-11 connector)3
• Built-in 10/100BASE-T Ethernet (RJ-45 connector)
• Built-in antennas and expansion slot for optional 54-Mbps AirPort Extreme Card (based on IEEE 802.11g standard; Wi-Fi Certified for 802.11g and 802.11b interoperability)3
• Optional internal Bluetooth module
• Peripheral connections
• Two FireWire 400 ports; 8 watts shared
• Total of five USB ports: three USB 2.0 ports (up to 480 Mbps) on computer, two USB 1.1 ports on keyboard
• Display
• Built-in 17-inch (viewable) widescreen or 20-inch (viewable) widescreen TFT active-matrix liquid crystal display
• Millions of colors at all resolutions
• Typical viewing angle:17-inch models120° horizontal90° vertical20-inch model170° horizontal170° vertical
• 17-inch models120° horizontal90° vertical
• 120° horizontal
• 90° vertical
• 20-inch model170° horizontal170° vertical
• 170° horizontal
• 170° vertical
• Typical brightness: 200 cd/m (17-inch models); 230 cd/m (20-inch model)
• Typical contrast ratio: 350:1
• Graphics support
• NVIDIA GeForce FX 5200 Ultra graphics processor with AGP 8X support
• 64MB of dedicated Double Data Rate (DDR) video memory
• 17-inch display resolutions:16:10 aspect ratio1440 x 900 pixels (native)1152 x 7201024 x 640800 x 5004:3 aspect ratio1024 x 768 pixels800 x 600640 x 480
• 16:10 aspect ratio1440 x 900 pixels (native)1152 x 7201024 x 640800 x 500
• 1440 x 900 pixels (native)
• 1152 x 720
• 1024 x 640
• 800 x 500
• 4:3 aspect ratio1024 x 768 pixels800 x 600640 x 480
• 1024 x 768 pixels
• 800 x 600
• 640 x 480
• 20-inch display resolutions:16:10 aspect ratio1680 x 1050 pixels (native)1344 x 8401280 x 8001024 x 640840 x 524800 x 5004:3 aspect ratio1024 x 768 pixels800 x 600640 x 480
• 16:10 aspect ratio1680 x 1050 pixels (native)1344 x 8401280 x 8001024 x 640840 x 524800 x 500
• 1680 x 1050 pixels (native)
• 1344 x 840
• 1280 x 800
• 840 x 524
• Video
• VGA output port for video mirroring on external display or projector2
• S-video and composite video output to connect directly to a TV or projector2
• Output resolutions: 640 x 480 pixels at 60Hz, 800 x 600 pixels at 75Hz and 1024 x 768 pixels at 75Hz
• Audio
• Built-in stereo speakers
• Internal 12-watt digital amplifier
• Headphone/optical digital audio output
• Audio line input
• Built-in microphone
• Electrical and environmental requirements
• Meets ENERGY STAR requirements
• Line voltage: 100-120V AC or 100-240V AC, depending on country of purchase
• Frequency: 47Hz to 63Hz, single phase
• Maximum continuous power: 180W
• Operating temperature: 50° to 95° F (10° to 35° C)
• Storage temperature: -40° to 185° F (-40° to 85° C)
• Relative humidity: 5% to 95% noncondensing
• Maximum altitude: 10,000 feet
• Size and weight (20-inch)
• Height: 18.6 inches (47.2 cm)
• Width: 19.4 inches (49.3 cm)
• Depth: 7.4 inches (18.9 cm)
• Weight: 25.2 pounds (11.4 kg)5
• Size and weight (17-inch)
• Height: 16.9 inches (43.0 cm)
• Width: 16.8 inches (42.6 cm)
• Depth: 6.8 inches (17.3 cm)
• Weight: 18.5 pounds (8.4 kg)5