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Apple iMac "Core Duo" 2.0 20-Inch Specs

Identifiers: Early 2006 - MA200LL - iMac4,1 - A1174 - 2105

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Apple iMac IntelThe Apple iMac "Core Duo" 2.0 20-Inch uses essentially the same all-in-one enclosure as the iMac G5/2.1 20-Inch (iSight) that it preceded it, and likewise, has the entire computer tucked discreetly behind the flat-panel display. However, the iMac "Core Duo" 2.0 20-Inch replaces the PowerPC G5 processor with an Intel "Core Duo" processor, which makes it a member of the the first desktop Mac series to be powered by Intel.

This model features a 2.0 GHz Intel "Core Duo" processor (T2500), with two independent processor "cores" on a single silicon chip, a 2 MB shared level 2 cache, a 667 MHz system bus, 512 MB of RAM (667 MHz DDR2 SDRAM, PC2-5300), a 250 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading 8X SuperDrive (with 2.4X dual-layer burn speed), ATI Radeon X1600 graphics acceleration on a PCI-Express bus with 128 MB of GDDR3 memory (256 MB available as an optional upgrade), a built-in iSight video camera, and built-in stereo speakers underneath the 20" TFT Active Matrix LCD (1680x1050 native) display.

Connectivity includes three USB 2.0 ports, two Firewire "400" ports, built-in AirPort Extreme (802.11g), Bluetooth 2.0+EDR, and Gigabit Ethernet, as well as mini-DVI, which for the first time on an iMac supports a second display in "extended desktop" mode (rather than just "mirrored mode").

Like its predecessor, this model was bundled with the Apple Mighty Mouse and six-button Apple Remote, as well as Apple "Front Row", which provides users with a "simple, intuitive and powerful way to play their music, enjoy their photo slideshows, and watch their DVDs and iMovies" using the included remote, and "Photo Booth", a basic photography program that uses the integrated iSight camera.

Buy This Mac -- and all other new & used Macs -- at site sponsor PowerMax.

Buy Used iMacs and much more at site sponsor MegaMacs.

Upgrade This Mac at site sponsor Other World Computing. Memory, drives & more.

Fix This Mac -- free diagnosis and affordable 24-hour repair at site sponsor Mission Repair.

Click on the underlined category text for related details. The most commonly needed info is "open" by default, but all info is important.

January 10, 2006 September 6, 2006
Details: The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 2006.
1 (2 Cores) 2542 & N/A
Details: When last updated, Geekbench 2 only provided sufficient 32-bit performance data for this model. These numbers reflect an average of user provided 32-bit and 64-bit results as submitted to the Geekbench website. Higher numbers are better.

You also might be interested in reviewing all 32-bit and 64-bit Geekbench 2 user submissions for Macs with the iMac4,1 Model Identifier, which may include multiple models.

To dynamically compare Geekbench results from different Macs side-by-side, see's Ultimate Mac Comparison.
2.0 GHz Core Duo (T2500)
Details: The Intel "Core Duo" (T2500) processor includes two independent processor "cores" on a single silicon chip.

Also see: How fast is the iMac "Core Duo" compared to the iMac G5? How fast is it compared to the Power Mac G5?
N/A 32-Bit
Details: N/A
ZIF Socket Integrated
Details: Also see: Is it possible to upgrade the processor in the iMac "Core Duo"?
667 MHz 2.0 GHz (Built-in)
Details: 667 MHz frontside bus.
EFI 32-Bit
Details: Also see: Does the iMac "Core Duo" have a ROM or BIOS?
32k/32k 2 MB (on chip)
Details: Includes a 2 MB shared "on chip" level 2 cache that runs at processor speed.
PC2-5300 DDR2 667 MHz
Details: Supports 667 MHz PC2-5300 DDR2 SDRAM (200-pin SO-DIMM).

Also see: How do you upgrade the RAM in the iMac "Core Duo"? How much RAM of what type does it support?
512 MB 2 GB
Details: 512 MB is installed as a single SO-DIMM, one slot free.

In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac.

In Canada, site sponsor The Mac Market sells memory and other upgrades for this iMac.

In Australia, site sponsor RamCity sells memory and other upgrades for this iMac.

Also see: Actual Max RAM of All G3 & Later Macs.
None 2
Details: N/A
Radeon X1600 GDDR3
Details: ATI Radeon X1600 graphics processor using PCI Express. Has 128 MB of GDDR3 video memory (upgrade option at the time of purchase to 256 MB).

Also see: What type of video processor is provided by the iMac "Core Duo" and "Core 2 Duo" systems? Is it upgradable?
128 MB 128 MB
Details: This model could be configured with 256 MB at the time of purchase. It cannot be upgraded later.
20.0" Widescreen 1680x1050
Details: This model has a widescreen 20.0" TFT active matrix display with a native resolution of 1680x1050. Apple also reports a "typical" brightness of 280 cd/m2, contrast ratio of 800:1, and viewing angle of 170 degrees horizontal and 170 degrees vertical.

Also see: What are the differences between the displays used in the iMac "Core Duo/Core 2 Duo" models? What is the viewable angle and the brightness of each?
Dual/Mirroring 1920x1200*
Details: Apple reports that this model supports "digital resolutions up to 1920x1200" and "analog resolutions up to 2048x1536".
250.0 GB (7200 RPM) Serial ATA (1.5 Gb/s)
Details: Site sponsor Other World Computing sells storage upgrades for this iMac.

Site sponsor Mission Repair offers professional storage installation and other services in 24 hours for this iMac.
8X DL "SuperDrive" None
Details: Apple reports that the slot-loading 8X "SuperDrive" (DVD+R DL/DVD±RW/CD-RW) "writes DVD+R DL discs at up to 2.4x speed, writes DVD-R and DVD+R discs at up to 8x speed, writes DVD-RW and DVD+RW discs at up to 4x speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 8x speed, [and] reads CDs at up to 24x speed."

Also see: What are the capabilities of the optical drive provided by the iMac "Core Duo/Core 2 Duo" models? Which can read and write dual-layer DVDs?
None 10/100/1000Base-T
Details: An external Apple USB Modem is available for US$49.
802.11a/b/g 2.0+EDR
Details: AirPort Extreme (802.11a/b/g) and Bluetooth 2.0+EDR standard.
3 (2.0) 2 (400)
Details: Three USB 2.0 ports (480 Mbit/s), two Firewire "400" ports (shared - 8 watts).
None None
Details: N/A
Apple Keyboard Mighty Mouse
Details: Also shipped with an Apple Remote.
All-in-One iMac Intel (White)
Details: All-in-one "ice white" enclosure supported by an aluminium stand.
MA200LL Early 2006
Details: The Apple order number should be unique to this system.
A1174 (EMC 2105) iMac4,1
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the A1174 Model Number, the 2105 EMC Number, and the iMac4,1 Model Identifier.

For more about these identifiers and how to locate them on each Mac, please refer to's Mac Identification section.
Details: N/A
X 10.4.4 (8G1165) X 10.6.8*
Details: *This system can run the last version of Mac OS X 10.6 "Snow Leopard". However, it cannot boot in 64-bit mode nor does it support "OpenCL". It cannot run versions of Mac OS X more recent than 10.6.8.

Also see: Which Intel Macs are capable of booting MacOS X 10.6 "Snow Leopard" in 64-bit mode?
XP SP2 (32-Bit)* 7 (32-Bit)*
Details: *Apple's Boot Camp 4 formally supports the 32-bit versions of Windows XP SP2, Windows Vista, and Windows 7. However, if upgraded to at least 1 GB of RAM, the system does meet Microsoft's minimum requirements for Windows 8 and readers have reported successfully running the 32-bit version of this operating system with appropriate drivers.
None Boot/Virtualization
Details: Also see: Are there any third-party programs to run Mac OS 9/Classic applications on Intel Macs?

Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.

For more on running Windows on Intel Macs, please refer to the exhaustive Windows on Mac Q&A.
18.6 x 19.4 x 7.4 22 lbs. (10 kg)
Details: In inches - height by width by depth, (47.2 cm, 49.3 cm, 18.9 cm).
US$1699 US$350-US$450
Details: Please note that on average the estimated current retail pricing of used systems is updated twice a year (please refer to the date on the bottom of the page for the date last updated).

Photo Credit: Apple Computer.

Click on the underlined category text for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

1 (mini-DVI) None
Details: Supports external display in dual display and mirroring modes. VGA output supported by optional Apple DVI-to-VGA adapter (sold separately).
None None
Details: N/A
None None
Details: N/A
3 (2.0) 2 (400)
Details: Three USB 2.0 ports (480 Mbit/s), two Firewire "400" ports (shared - 8 watts).
None 1 (RJ-45)
Details: No internal modem. External Apple USB modem available for US$49. Gigabit Ethernet, AirPort Extreme (802.11g) and Bluetooth 2.0+EDR standard (education-only model lacks Bluetooth).

Also see: What is the difference between the consumer and education-only iMac "Core Duo"?
None None*
Details: S-Video output capable with adapter, sold separately.
1 (Built-in) 1
Details: One "audio line input".
1 1
Details: Single shared "headphone/optical digital audio output".
1 None
Details: N/A
1 None
Details: 100V-240V, 180W maximum.

Global original prices for the iMac "Core Duo" 2.0 20-Inch in 24 different countries and territories follow; organized alphabetically by region.

For global original prices for Intel Macs in one particular country on a single page, please refer to's Global Original Prices section.

Original Prices - North America

C$1999 US$1699

Original Prices - Europe

N/A €1819
€1799 €1799
N/A €1799
€1799 N/A
N/A €1749
N/A CHF 2'549

Original Prices - Asia

RMB 16,500 N/A
¥209,900 N/A

Original Prices - Australia & New Zealand

A$2649 NZ$3099

Ten of the most popular Q&As about the iMac models follow.

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