IMac - no power, number 1 diagnostic LED on. (20-Inch), iMac G5 (17-Inch), iMac G5 ALS (17-Inch), iMac G5 ALS (20-Inch). Remove the back cover to access the diagnostic LEDs on the main logic board (see Chapter 4 of your iMac G5 User Manual for instructions on removing the back cover). Written in English and applied to iMac as well. Apple iMac G5 20-inch iSight Service Manual Apple iMac G5 17-inch iSight Service Apple iMac (21.5,27-inch Late 2009) User Guide English, English Manual. Popular Items: Service / 4x4 / 'the One / “the One / 4wd / Trucks / Helmet / Sunglasses / New / Bus Apple iMac late 2009 version (good.
Apple iMac G5/1.8 17-Inch Specs
Identifiers: iMac G5 - M9249LL/A - PowerMac8,1 - A1058 - 1989
All iMac Models | All 2004 Models | Dynamically Compare This Mac to Others
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The Apple iMac G5/1.8 17-Inch, along with the simultaneously introduced iMac G5/1.6 17-Inch and iMac G5/1.8 20-Inch, features a revolutionary design with the entire computer placed behind the flat-panel display in an integrated all-in-one enclosure approximately two inches deep.
Like the aluminium-clad Apple Cinema Displays, the 'non-iSight' iMac G5 models are suspended by an aluminum stand with an adjustable hinge, and support the 'Video Electronics Standards Association (VESA) mounting interface standard' which makes it easy to mount the system directly on a kiosk, wall, or articulating arm.
The Apple iMac G5/1.8 17-Inch shipped equipped with a 1.8 GHz PowerPC 970 (G5) processor with an optimized AltiVec 'Velocity Engine' vector processing unit and a 512k on-chip level 2 cache, 256 MB of 400 MHz PC3200 DDR SDRAM, an 80 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading 4X DVD-R/CD-RW 'SuperDrive', NVIDIA GeForce FX 5200 Ultra graphics with 64 MB of DDR SDRAM (AGP 8X), and built-in stereo speakers underneath the 17' TFT Active Matrix LCD (1440x900) display designed to 'bounce sound off the desk below'. Connectivity includes Firewire '400' and USB 2.0, as well as support for AirPort Extreme (802.11g) and Bluetooth with optional cards.
The iMac G5 series is cooled by three 'ultra-quiet blowers that draw cool air into the system' through the speaker grill and a slit in the top of the back of the case allows heat to dissipate.
Also see: What are the differences between the original iMac G5 models?
To buy or upgrade a PowerPC iMac -- as well as newer Macs -- see site sponsor Operator Headgap Systems. OHS has low prices, a warranty and personal support.
Despite the age of this system, site sponsor Other World Computing has RAM, hard drives, SSDs, and other upgrades available for this specific iMac while supplies last.
- Tech Specs
- Ports
- Global Original Prices
- Popular Q&As
Click on the category for related details. The most commonly needed info is 'open' by default, but all info is important.
| Introduction Date: | August 31, 2004 | Discontinued Date: | May 3, 2005 |
| 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 2004. |
| Details: | Also see: All models with a 64-Bit processor courtesy of EveryMac.com's Ultimate Mac Sort. |
| 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 PowerMac8,1 Model Identifier, which may include multiple models. To dynamically compare Geekbench 2 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Details: | The Geekbench 3 benchmark does not support this model. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all 32-bit single core and multicore Geekbench 3 user submissions for Macs with the PowerMac8,1 Model Identifier, which may include multiple models. To dynamically compare 32-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Details: | The Geekbench 3 benchmark does not support this model. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better. You also might be interested in reviewing all 64-bit single core and multicore Geekbench 3 user submissions for Macs with the PowerMac8,1 Model Identifier, which may include multiple models. To dynamically compare 64-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Processor Speed: | 1.8 GHz | Processor Type: | PowerPC 970 (G5) |
| Details: | The PowerPC 970 'G5' has 64-bit data paths and registers with native support for 32-bit application code. It additionally includes the AltiVec 'Velocity Engine' vector processor and 'two independent double-precision floating-point units'. Also see: How fast is the iMac G5 compared to the iMac G4 Flat-Panel and Power Macintosh G5? |
| Details: | N/A |
| Details: | The processor is mounted directly to the motherboard. |
| System Bus Speed: | 600 MHz (3:1) | Cache Bus Speed: | 1.8 GHz (Built-in) |
| ROM/Firmware Type: | Open Firmware | EFI Architecture: | N/A |
| Details: | Boot ROM and around 1 MB, other instructions are loaded into RAM (NewWorld). |
| Details: | 32k level 1 data cache, 64k level 1 instructional cache. The 512k on-chip level 2 cache runs at processor speed. |
| Details: | Supports 400 MHz PC3200 DDR SDRAM. If installing RAM in both slots, use matching memory for best performance. Also see: How do you upgrade the RAM in the iMac G5 models? How much RAM of what type do these systems support? |
| Details: | 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 CanadaRAM sells RAM 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. |
| Details: | If non-matching RAM is installed, the 128-bit memory bus will operate as a 64-bit bus. |
| Video Card: | GeForce FX 5200 Ultra* | VRAM Type: | DDR SDRAM |
| Details: | *Apple formally reports that this model has a NVIDIA GeForce FX 5200 Ultra with 64 MB of DDR SDRAM (AGP 8X support). An eagle-eyed EveryMac.com reader noted in software that it self-reports that it has a 'GeForce FX 5200' (non-Ultra). Also see: What type of video processor is provided by the iMac G5? Is it upgradable? |
| Details: | Video cannot be upgraded. |
| Built-in Display: | 17.0' TFT | Native Resolution: | 1440x900 |
| Details: | This model has a 17.0' TFT active matrix display with a 16:10 aspect ratio and a native resolution of 1440x900. In the 16:10 aspect ratio, it also supports 1152x720, 1024x640, and 800x500, and in the 4:3 aspect ratio it supports 1024x768, 800x600, and 640x480. Apple additionally reports a 'typical' brightness of 200 cd/m, contrast ratio of 350:1, and viewing angle of 120 degrees horizontal and 90 degrees vertical. |
| 2nd Display Support: | Mirroring Only* | 2nd Max. Resolution: | 1024x768* |
| Details: | Apple reports that this system has a 'VGA output port for video mirroring on an external display or projector', and supports output resolutions of '640 x 480 pixels at 60Hz, 800 x 600 pixels at 75Hz and 1024 x 768 pixels at 75Hz'. However, the hardware is capable of using an external display in dual or 'extended desktop mode', Apple just blocked the capability in firmware to protect sales of more expensive Macs. Unsupported third-party hacks are available. |
| Standard Storage: | 80 GB HDD | Std. Storage Speed: | 7200 RPM |
| Details: | Also see: How do you replace or upgrade the hard drive in the iMac G5 models? In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this iMac. In Canada, site sponsor CanadaRAM sells hard drives and other upgrades for this iMac. In Southeast Asia, site sponsor SimplyMac.sg sells storage upgrades for this iMac. Also see: SSD Compatibility Guide for All G3 & Later Macs. |
| Storage Dimensions: | 3.5' (26.10 mm) | Storage Interface: | Serial ATA (1.5 Gb/s) |
| Details: | This model holds a single 3.5' Serial ATA (1.5 Gb/s) hard drive or SSD. Storage drives larger than 128 GB are supported. |
| Standard Optical: | 4X 'SuperDrive' | Standard Disk: | None |
| Details: | Apple reports that the slot-loading 4X DVD-R/CD-RW SuperDrive '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, [and] reads CDs at up to 24x speed'. Also see: What are the capabilities of the optical drive provided by the iMac G5? |
| Standard Modem: | 56k v.92 | Standard Ethernet: | 10/100Base-T |
| Details: | Internal modem and 10/100Base-T Ethernet standard. |
| Standard AirPort: | 802.11b/g (Optional) | Standard Bluetooth: | 1.1 (Optional) |
| Details: | This model could be configured with AirPort Extreme (802.11b/802.11g) and Bluetooth at the time of purchase for additional cost. |
| Details: | Apple advertised that this system had a 'total of five USB ports' counting three USB 2.0 ports on the system and two USB 1.1 ports on the keyboard. Two Firewire '400' ports are shared - 8 watts. |
| Details: | Internal AirPort Extreme (802.11b/802.11g) and Bluetooth support. |
| Incl. Keyboard: | Apple Keyboard | Incl. Input: | Apple Mouse |
| Case Type: | All-in-One | Form Factor: | iMac G5 |
| Details: | Integrated all-in-one 'ice white' enclosure approximately two inches deep supported by an aluminum stand. |
| Details: | The Apple order number should be unique to this system. |
| Apple Model No: | A1058 (EMC 1989) | Model ID: | PowerMac8,1 |
| Details: | Please note that these identifiers refer to more than one model. Also see: All Macs with the A1058 Model Number, the 1989 EMC Number, and the PowerMac8,1 Model Identifier. For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section. |
| Details: | N/A |
| Pre-Installed MacOS: | X 10.3.5 (7P35) | Maximum MacOS: | X 10.5.8 |
| Details: | This system cannot run versions of MacOS X more recent than 10.5.8. |
| Details: |
| MacOS 9 Support: | Classic Mode Only* | Windows Support: | Emulation Only |
| Details: | *This model is capable of using Mac OS 9 applications within the Mac OS X 'Classic' environment provided with Mac OS X 10.4.11 'Tiger' and lower ('Classic' is not supported starting with Mac OS X 10.5 'Leopard'). It cannot boot into Mac OS 9. Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications. |
| Dimensions: | 16.9 x 16.8 x 6.8 | Avg. Weight: | 18.5 lbs. (8.4 kg) |
| Details: | In inches - height by width by depth, (43 cm, 42.6 cm, 17.3 cm). |
| Original Price (US): | US$1499 | Est. Current Retail: | US$75-US$150 |
| 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 a category 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.
| Video (Monitor): | 1 (Mini-VGA) | Floppy (Ext.): | None |
| Details: | Apple notes that the system has a 'VGA output port for video mirroring on [an] external display or projector' and 'S-video and composite video output to connect directly to a TV or projector', using an adapter (sold separately). |
| Details: | N/A |
| Details: | N/A |
| Details: | Apple advertised that this system had a 'total of five USB ports' counting three USB 2.0 ports on the system and two USB 1.1 ports on the keyboard. Two Firewire '400' ports are shared - 8 watts. |
| Details: | Internal modem and 10/100Base-T Ethernet standard. |
| Details: | Apple notes that the system has 'S-video and composite video output to connect directly to a TV or projector', using an adapter (sold separately). |
| Details: | Includes a single 'audio line input'. |
| Details: | Includes a single 'headphone/optical digital audio output' port. |
| Details: | N/A |
| Details: | 100V-240V AC, 180W maximum. |
Global original prices for the iMac G5/1.8 17-Inch in 34 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 EveryMac.com's Global Original Prices section.
Original Prices - North & South America
| Mexico: | N/A | United States: | US$1499 |
Original Prices - Europe
| Denmark: | N/A | Finland: | N/A |
| Ireland: | N/A | Italy: | N/A |
| Norway: | N/A | Portugal: | N/A |
| Switzerland: | N/A | United Kingdom: | £1049 |
Original Prices - Asia
| India: | N/A | Indonesia: | N/A |
| Malaysia: | N/A | The Philippines: | N/A |
| Thailand: | N/A | Vietnam: | N/A |
Original Prices - Australia & New Zealand
If you have additional original prices for this model, please get in touch. Thank you.
Ten of the most popular Q&As about the iMac models follow.
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iMac G5
Memory, 17-inch
Replacement Instructions
Follow the instructions in this sheet carefully. Failure to follow these instructions could damage your equipment and void its warranty.
Online instructions are available at http://www.apple.com/support/doityourself/.
Tools Required
• Use a Phillips #2 screwdriver
Part Location
About iMac G5 Memory
1.iMac G5 computers work with memory modules (DIMMs) that meet all of these criteria: PC3200, 2.5V, unbuffered, 8-byte, nonparity, 184-pin, 400Mhz DDR SDRAM.
2.There are two RAM slots. The maximum amount of RAM you can install is 2 GB. You can use RAM module sizes of 256 MB, 512 MB and 1 GB, in either slot.
3.DIMMs with any of the following features are not supported in the iMac G5 computer: registers or buffers, PLLs, ECC, parity, or EDO RAM.
Opening the Computer
1.Turn your computer off by choosing Shut down from the Apple (K) menu.
Imac G5
2.Disconnect all cables and the power cord from your computer.
3.Place a soft, clean towel or cloth on the desk or surface. Hold the sides of the computer and slowly lay the computer face down as shown.
4.Locate the three case screws circled below. You may have to lift the metal foot to locate the middle case screw. Note: These screws are captive; they are part of the display/bezel assembly and cannot be removed.
5.Using a Phillips #2 screwdriver, loosen the three captive screws. Note: Turn the screws counterclockwise until they stop turning.
6.Holding the back cover by the metal foot, tilt the cover up. Lift the cover off the computer. Set the back cover aside.
Removing the Memory
1.Important: Ground yourself. Touch the metal surface (as shown below) on the inside of the computer to discharge any static electricity.
Warning: Always discharge static electricity before you touch any parts or install any components inside the computer. To avoid generating static electricity, do not walk around the room until you have finished installing the part and closed the computer.
2. Locate the memory module(s) in the bottom right corner.
3.Rotate the computer counterclockwise so the memory is in the position shown below.
4.To release the memory from its slot, push down on the two side latches. Then pull the memory module out of the slot. Repeat this step if you have a second memory module. Important: Return the memory to Apple in the packaging provided.
Installing the Replacement Memory
1.Remove the replacement memory module from its packaging.
2.Replace the memory module(s) by lining up the notch on the module with the notch on the slot.
3.Press firmly on the memory module until it clicks into place. Use your thumb and index finger to push the module into the slot.
Closing the Computer
1.Replace the cover so that the slots on the top edge of the cover mate with the tabs on the display housing.
Imac 17 Inch
2.Tilt the back cover slightly and align the top edge with the tabs on the housing. Push the two together as you lower the back cover.
3.Tighten the case screws by turning them clockwise. You might need to tighten the middle screw first, then adjust the corner screws so the case settles into the display/ bezel.
4.Reconnect the power cord while the computer is face down and then position the computer in the upright position.
5. Position the computer in the upright position. Turn on the computer.
Apple Computer, Inc.
Imac 27 User Manual
© 2004 Apple Computer, Inc. All rights reserved.
This document is protected under U.S. Copyright Law and International Treaties, and no part of this document may be reproduced in any form without written permission from Apple.
Apple is not responsible for typographical, printing, or inadvertent errors.
Apple Computer, Inc. 1 Infinite Loop
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+ 1 408 996 1010 http://www.apple.com
Apple, the Apple logo, Mac, Macintosh, and the Mac logo are trademarks of Apple Computer, Inc., registered in the U.S. and other countries.