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Apple Power Macintosh G5 'Quad Core' (2.5) Specs
May 31, 2015 Support the channel on Patreon if you’re feeling generous: The liquid cooler module teardown video is here: https://www. This is a COMPLETE Service Manual for APPLE POWER MAC G5 (QUAD 2.5 DUAL 2,02.3 GHZ) &. This service manual is very detailed and contains 1000 pages packed with info. Each manual provides step-by-step instructions based on the complete disassembly of the machine. It is this level of detail, along with hundreds of photos and illustrations.
Identifiers: Late 2005 - M9592LL/A - PowerMac11,2 - A1117/A1177* - 2023
All Power Macintosh G5 Models | All 2005 Models | Dynamically Compare This Mac to Others
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The Power Macintosh G5 'Quad Core' (2.5), along with the Power Macintosh G5 Dual Core (2.0) and Power Macintosh G5 Dual Core (2.3), are the first and last Power Macintosh G5 models to use dual core PowerPC 970MP (G5) processors, which have two independent processor 'cores' on a single silicon chip.
The Power Macintosh G5 'Quad Core' (2.5) is powered by two 'dual core' 2.5 GHz PowerPC 970MP (G5) processors with four optimized AltiVec 'Velocity Engine' vector processing units (one per core), eight double-precision FPUs (two per core), 1 MB of on-chip level 2 cache on each core, and dual bidirectional 1.25 GHz frontside system buses (one for each processor). It shipped configured with 512 MB or 1 GB of 533 MHz PC2-4200 DDR2 SDRAM, a 250 GB (7200 RPM) Serial ATA hard drive, a reported '16X' dual-layer 'SuperDrive', and a NVIDIA GeForce 6600 video card with 256 MB of GDDR SDRAM.
Connectivity includes USB 2.0, FireWire '400' and '800', a single-link DVI and a dual-link DVI port, optical digital audio in/out, two independent Gigabit Ethernet ports, and support for AirPort Extreme (802.11g) and Bluetooth 2.0+EDR.
All of the 'multiple core' equipped Power Macintosh G5 models have three open PCI-Express (PCIe) expansion slots. The Power Macintosh G5 'Quad Core' (2.5) uses the same easy-to-upgrade 'anodized aluminum alloy' case as all other Power Macintosh G5 models with the same removable side panel for easy access to internal components. Likewise, it is divided into four different thermal zones with nine computer-controlled fans for optimum cooling. However, this model adds a liquid cooling system that replaces the traditional heat sink.
Also see: What are the primary differences between the 'Late 2005' or 'Dual Core' Power Mac G5 models?
To purchase or upgrade a PowerPC Mac -- 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 Mac while supplies last.
- Tech Specs
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Click on the category for related details. The most commonly needed info is 'open' by default, but all info is important.
| Introduction Date: | October 19, 2005 | Discontinued Date: | August 7, 2006* |
| Details: | The 'Introduction Date' refers to the date this model was introduced via press release. Usually, the 'Discontinued Date' refers to the date a model was replaced by a subsequent system, but in this case Apple continued to sell the Power Macintosh G5 'Quad Core' (2.5) for roughly a month after the introduction of the Mac Pro on August 7, 2006.
Also see: All Macs introduced in 2005. |
| Details: | Geekbench 2 benchmarks are in 32-bit and 64-bit modes, respectively. 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 Geekbench 2 user submissions for Macs with the PowerMac11,2 Model Identifier, which may include multiple models.
To dynamically compare Geekbench results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Processor Speed: | 2.5 GHz | Processor Type: | PowerPC 970MP (G5) x2 |
| Details: | This system has two PowerPC 970MP 'G5' processors each with two independent 2.5 GHz processor 'cores' (four 'cores' total). It also includes dual optimized AltiVec 'Velocity Engine' vector processing units (one per core), four double-precision FPUs (two per core), and on chip level 2 cache on each core.
Like all PowerPC 'G5' processors, the PowerPC 970MP 'G5' has 64-bit data paths and registers with native support for 32-bit application code. Apple also reports that each core of the 970MP has a 'parallel data structure supporting up to 215 simultaneous in-flight instructions, [and] simultaneous issue of up to 10 out-of-order operations.' Each core likewise has a 'dual-pipeline Velocity Engine for 128-bit single-instruction, multiple-data (SIMD) processing [and] advanced three-stage branch-prediction logic.'
Also see: How fast are the 'Dual' and 'Quad' Core Power Mac G5 models compared to earlier ones? |
| Details: | The Power Macintosh G5 models have the processor(s) mounted on a custom 300-pin daughtercard, but it is not feasible to upgrade the processor.
Also see: Is the CPU on the Power Mac G5 upgradable? How is it mounted? |
| System Bus Speed: | 1.25 GHz (2:1) | Cache Bus Speed: | 2.5 GHz (Built-in) |
| Details: | Apple notes that the system has 'dual 1.25 GHz 64-bit DDR bidirectional frontside buses'. |
| ROM/Firmware Type: | Open Firmware | ROM/Firmware Size: | 1 MB |
| 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 1 MB on-chip level 2 cache runs at processor speed. |
| Details: | Supports 533 MHz PC2-4200 DDR2 SDRAM.
Also see: How do you upgrade the RAM in the Power Mac G5 models? |
| Details: | Installed as two or four 256 MB modules. Memory must be installed in pairs.
In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this Power Macintosh G5.
In Canada, site sponsor CanadaRAM sells RAM and other upgrades for this Power Macintosh G5.
In Australia, site sponsor RamCity sells memory and other upgrades for this Power Macintosh G5.
Also see: Actual Max RAM of All G3 & Later Macs. |
Powermac G5 Price
| Details: | Apple notes that the system features a '128-bit memory controller and data path'.
Also see: How much RAM of what type does the Power Mac G5 support? Which models have four RAM slots and which models have eight RAM slots? |
| Details: | The NVIDIA GeForce 6600 with 256 MB of GDDR SDRAM occupies a 16-lane PCI Express slot.
Also see: What graphics cards are provided by the Power Mac G5? Which have ADC ports and which have DVI ports? |
| Details: | NVIDIA GeForce 7800 GT with 256 MB of GDDR3 SDRAM, and NVIDIA Quadro FX 4500 with 512 MB of GDDR3 SDRAM were available at the time of purchase via build-to-order. Other graphics cards could be pre-installed at the time of purchase or installed later. |
| Display Support: | Dual Displays* | Resolution Support: | 2560x1600 |
| Details: | Apple advertised that this system can support 'two Apple flat-panel displays for each graphics card installed'. The default graphics card can support 'up to 2560 by 1600 pixels' with the dual-link DVI port and 'up to 1920 by 1200 pixels' with the single-link DVI port. It also can support analog resolutions 'up to 2048 by 1536 pixels'. |
| 2nd Display Support: | Dual/Mirroring | 2nd Max. Resolution: | 1920x1200 |
| Details: | The default graphics card can support a second display with a maximum resolution of 1920x1200 using the single-link DVI port (assuming the dual-link DVI port is being used for the primary display). The build-to-order NVIDIA Quadro FX 4500 graphics card with 512 MB of GDDR3 SDRAM has two dual-link DVI ports and is capable of powering two 2560x1600 displays, like the 30-inch Apple Cinema Display models. |
| Standard Storage: | 250 GB HDD | Std. Storage Speed: | 7200 RPM |
| Details: | One hard drive installed by default.
Also see: How many hard drives of what type are supported in the Power Mac G5? How do you replace the drive or add another one? Are there third-party products to use more drives than are 'officially' supported?
In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this Power Mac G5.
In Canada, site sponsor CanadaRAM sells hard drives and other upgrades for this Power Macintosh G5.
In Southeast Asia, site sponsor SimplyMac.sg sells storage upgrades for this Power Mac G5.
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: | Officially holds two 3.5' hard drives -- drives larger than 128 GB are supported. Not compatible with Ultra ATA drives without an adapter. |
| Standard Optical: | 6X DL 'SuperDrive' | Standard Disk: | None |
| Details: | Apple reports that this '16X' DVD+R DL/DVD±RW/CD-RW SuperDrive 'writes DVD-R discs at 16x speed, writes DVD+R DL discs at up to 6x speed, reads DVDs at up to 16x speed, writes CD-R and CD-RW discs at up to 24x speed, [and] reads CDs at up to 32x speed.' It uses an Ultra ATA/100 bus.
Also see: What are the capabilities of the 'SuperDrive' provided by the Power Mac G5? How do you upgrade or replace the optical drive? |
| Details: | External USB modem optional. The system has 'two independent 10/100/1000BASE-T [Gigabit] Ethernet (RJ-45) interfaces with support for jumbo frames.' |
| Standard AirPort: | 802.11b/g (Optional) | Standard Bluetooth: | 2.0+EDR (Optional) |
| Details: | Expansion slots for AirPort Extreme (802.11g) card and Bluetooth 2.0+EDR module. Both optional at the time of purchase. |
| Details: | The 'Multiple Core' Power Mac G5 models have four USB 2.0 ports on the system (one on the front panel and three on the back), two Firewire '400' ports (one on the front and one on the back), and one Firewire '800' port on the back. Apple also advertised 'two USB 1.1 ports on included keyboard'. |
| Expansion Slots: | 3 PCIe, AP/BL | Expansion Bays: | 2 3.5', 1 5.25' |
| Details: | This model has 'two open full-length four-lane PCI Express slots', 'one open full-length eight-lane PCI Express slot', a 16-lane PCI Express slot that is occupied by the graphics card, as well as expansion slots for AirPort Extreme (802.11g) -- antenna internal -- and Bluetooth 2.0+EDR.
In the default configuration, one internal 3.5' bay is occupied by a hard drive and one is free, and the single external 5.25' bay is occupied by a 'SuperDrive' optical drive.
Also see: Which Power Mac G5 models have PCI, PCI-X, and PCI Express slots? How many PCI slots of what speed does each Power Mac G5 have? How do you install a PCI card? |
| Incl. Keyboard: | Apple Keyboard | Incl. Input: | Apple Mighty Mouse |
| Details: | Also included a USB keyboard extension cable. |
| Details: | The Apple order number should be unique to this system. Also see: What are the primary differences between the 'Late 2005' or 'Dual Core' Power Mac G5 models? |
| Apple Model No: | A1117/A1177* (EMC 2023) | Model ID: | PowerMac11,2 |
| Details: | *Earlier systems are labeled model number A1117 whereas some, but not all, later systems are labeled model number A1177. Apart from minor configuration changes, systems with either model number seem to be identical, so the change may be a factory error. Please also note that these identifiers are shared by multiple systems.
Also see: All Macs with the A1117/A1177* Model Number, the 2023 EMC Number, and the PowerMac11,2 Model Identifier.
For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section. |
| Pre-Installed MacOS: | X 10.4.2 (8E90) | Maximum MacOS: | X 10.5.8 |
| Details: | This system cannot run versions of MacOS X more recent than 10.5.8. |
| 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: | 20.1 x 8.1 x 18.7 | Avg. Weight: | 44.5-48.8 lbs. |
| Details: | In inches - height by width by depth, (51.1 cm, 20.6 cm, 47.5 cm). Weight in kilograms is 20.2-22.1 kg. |
| Original Price (US): | US$3299 | Est. Current Retail: | US$300-US$500 |
| 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.
| Details: | One single-link and one dual-link DVI (Digital Video Interface) port provided by default graphics card. |
| Details: | The 'Multiple Core' Power Mac G5 models have four USB 2.0 ports on the system (one on the front panel and three on the back), two Firewire '400' ports (one on the front and one on the back), and one Firewire '800' port on the back. Apple also advertised 'two USB 1.1 ports on included keyboard'. |
| Details: | External USB modem optional. 'Two independent 10/100/1000BASE-T [Gigabit] Ethernet (RJ-45) interfaces with support for jumbo frames' standard. |
| Details: | Includes a rear mounted 'optical digital audio input Toslink connector' and a 'stereo analog line level input' minijack. |
| Details: | Includes a rear mounted 'optical digital audio output Toslink connector' and a 'stereo analog line level output' minijack. Also includes a front-mounted headphone jack. |
| Details: | 100V-125V AC or 200V-240V AC. System lacks a 'soft power' port for an analog monitor. |
Ten of the most popular Q&As about the Power Macintosh G5 models follow.
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There are a few older threads about LCs G5 (quad) with pictures and answered
questions; here's one from 2012: G5 LCS refurbish and refill info
Some of the first posts in above cover service part specs information.
see parts list: Re: G5 LCS refurbish and refill info
The same author had shared experiences with other users; look to
Skorpan contents page in ASC, & maybe find more LC G5 info...
Power Mac G5 Disassembly Guide
2003 Power Mac G5
A few owners of these vintage relics still visit; some even have their G5s.
Power Mac G5 Disassembly Manual Free
..And of those, a percentage may have kept more than one working..
Power Mac G5 Disassembly Manual Download
Good luck & happy computing! 🙂