iMac G5 17” (Ambient Light Sensor)

Introduced: May 2005
Terminated: October 2005


With a bump in speeds, and a few other new features, the new iMac G5 was available in three configurations.  The low-end configuration had a 17” LCD, ran at 1.8Ghz, had a 160Gb hard drive and a Combo drive.  The midrange configuration had a 17” LCD, ran at 2.0Ghz, had a 160Gb hard drive and a SuperDrive.  The high-end configuration had a 20” LCD, ran at 1.8Ghz, had a 250Gb hard drive and a SuperDrive.


The iMac G5 17” (Ambient Light Sensor) was a speed bump on the original release of the iMac G5.  In addition to the new Ambient Light Sensor, AirPort Extreme and Bluetooth became standard features across the line.  The RAM was also increased for smooth running of Apple’s latest Operating System.


iMac G5 17” (Ambient Light Sensor)


Processor: PowerPC 970fx (G5)
Number of Cores: 1
Processor Speed: 1.9 GHz
Benchmarks: 1.9 GHz: 1124
Cache: 64 KB (instruction), 32 KB (data) L1, 512 KB backside (1:1) L2
System Bus: 633 MHz
Hard Drive: 160, 250 or 500 GB 7200-rpm
Media: Slot-loading 8x SuperDrive (DVD+R DL/DVD±RW/CD-RW)
Peripherals: Apple Remote, Apple Keyboard, Mighty Mouse
Colors: White
Weight and Dimensions (US): 15.5 lbs., 16.9” H x 16.8” W x 6.8” D
Weight and Dimensions (Metric): 7 kg, 43 cm H x 42.6 cm W x 17.3 cm D
Original Mac OS: Mac OS X 10.4.2 (8E102, 8E104)
Later Mac OS:—
Maximum Mac OS: Latest release of Mac OS X
Hardware Test: AHT (iMac G5/eMac) 2.5.3
Firmware: Open Firmware
Firmware Update: None
Logicboard RAM: 512 MB
Maximum RAM: 2.5 GB
Type of RAM Slots: 1 - 240-pin PC2-4200 (533MHz) DDR2 SDRAM
Minimum RAM Speed:—
Interleaving Support: No
Graphics Card: ATI Radeon X600 Pro
ATI Card Model:—
Graphics Connection: PCI Express
Graphics Memory: 128 MB DDR
Built-in Display: 17-inch LCD 250 cd/m 500:1 contrast ratio
Resolutions: 16:10 aspect ratio: 1440 x 900, 1152 x 720, 1024 x 640, 800 x 500 4:3 aspect ratio: 1024 x 768, 800 x 600, 640 x 480
Display Modes: Video mirroring only
Display Connection: 1 - Mini-VGA (Composite and S-video with adapter)
Video Camera: Built-in iSight
Expansion Slots: None
Hard Drive Bus: 1.5 Gbps Serial ATA (SATA)
Large Drive Support: Yes (128 GB or larger per drive)
Optical Drive Bus: Ultra ATA/133
Backup Battery: 3 V Lithium (922-6476)
Max Watts: 180 W
Line Voltage: 100-240V AC
AirPort: Built-in AirPort Extreme card (802.11b/g)
Bluetooth: Built-in Bluetooth 2.0 + EDR
Ethernet: 10/100/1000BASE-T (RJ-45)
Modem: Optional Apple USB Modem (MA034Z/A)
USB: 3 - 480 MBit/s
FireWire: 2 - 400 MBit/s (8W total power)
Audio In: 1 - 3.5-mm analog input jack, Built-in microphone (24-bit 96KHz sample rate)
Audio Out: 1 - 3.5-mm analog/optical combo jack, Built-in speakers


Introduced in May 2005, the iMac G5 17” (Ambient Light Sensor) was discontinued in October 2005 to make way for new models.



  • Might want to update this page. It’s also out of whack.

    - 1.8GHz or 2.0GHz. No 1.9GHz
    - No Apple Remote (won’t even work with it)
    - Max RAM is 2GB, 2 SDRAM slots (184-pin), PC3200 - DDR400
    - ATI Radeon 9600 graphics processor
    - No iSight video camera

    Chris CA had this to say on Jul 02, 2008 Posts: 2
  • This case, unlike the previous models, opened only from the front and requires the LCD screen to be removed before internal components can be accessed. Apple recommend no user serviceable items other than RAM which is accessible through a small door in the base edge of the iMac, however, in the intervening years many excellent guides and videos have been posted on the internet to support replacing some internals including the HDD and optical drives, but doing so would void any remaining Apple warranty.-Jonathan Berkowitz

    Ana had this to say on Aug 24, 2011 Posts: 76
  • All three configurations were very good. There were just few differences between them. Asigurari RCA ieftin

    selena had this to say on Oct 27, 2011 Posts: 35
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