iMac (Early 2006 20-inch)

Introduced: January 2006
Terminated: September 2006


The iMac (Early 2006) ushered in the Intel processor to the Mac line.  The Intel Core Duo processor had two processor cores on the same chip.  The iMac (Early 2006) was available in two configurations.  The 17” configuration had a 1.83Ghz Core Duo processor.  The 20” configuration had a 2.0Ghz Core Duo processor.  Both configurations had an 8x SuperDrive.  AirPort Extreme and Bluetooth were standard.


The introduction of the Intel chip to the Mac line marked a turning point for Apple.  The new iMacs were much faster than the previous iMac models.  They had better graphics and a mini-DVI port.  Additionally, the ability to run Windows natively on a Mac for the first time was a major selling point for many new buyers.

The 17” model was $1,299 and the 20” model was $1699.


iMac (Early 2006 20-inch)


Processor: Intel Core Duo (T2500) (“Yonah”)
Number of Cores: 2
Processor Speed: 2.0 GHz
Benchmarks: 2.0 GHz: 2515
Cache: 2 MB shared L2 cache at full processor speed
System Bus: 667 MHz
Hard Drive: 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): 22 lbs., 18.6” H x 19.4” W x 7.4” D
Weight and Dimensions (Metric): 10 kg, 47.2 cm H x 49.3 cm W x 18.9 cm D
Original Mac OS: Mac OS X 10.4.4 (8G1165, 8G1171, 8G1172)
Later Mac OS: Mac OS X 10.4.6 (8I2040)
Maximum Mac OS: Latest release of Mac OS X
Hardware Test: AHT 3A100, 3A103
Firmware: Intel Extensible Firmware Interface (EFI)
Firmware Update: iMac EFI Firmware Update 1.1
Firmware Update URL:
Logicboard RAM: None
Maximum RAM: 2.0 GB
Type of RAM Slots: 2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMM
Minimum RAM Speed:—
Interleaving Support: Yes
Graphics Card: ATI Radeon X1600
ATI Card Model:—
Graphics Connection: PCI Express
Graphics Memory: 128 or 256 MB GDDR3
Built-in Display: 20-inch LCD 280 cd/m 800:1 contrast ratio
Resolutions: 16:10 aspect ratio: 1680 x 1050, 1344 x 840, 1280 x 800, 1024 x 640, 840 x 524, 800 x 500 4:3 aspect ratio: 1024 x 768, 800 x 600, 640 x 480
Display Modes: Dual display extended and video mirroring
Display Connection: 1 - Mini-DVI (DVI, 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/100
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) (support for jumbo frames)
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 January 2006, the iMac (Early 2006) was discontinued to make way for new models in September 2006.



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