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Apple Power Macintosh G4 1.25 (MDD 2003) Specs

Identifiers: Mirrored Drive Doors 2003 - M9145LL/A - PowerMac3,6 - M8570 - 1914C

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Apple Power Mac G4 The Apple Power Macintosh G4/1.25 (Mirrored Drive Doors 2003) features a 1.25 GHz PowerPC 7455 (G4) processor with the AltiVec "Velocity Engine" vector processing unit, 256k "on chip" level 2 cache, and 1 MB of DDR SRAM level 3 backside cache. It shipped configured with 256 MB of RAM, an 80 GB Ultra ATA/100 hard drive, a 12X DVD-ROM/CD-RW "Combo" drive, and a 4X AGP ATI Radeon 9000 Pro graphics card with 64 MB of DDR SDRAM. AirPort (802.11b) was available by custom configuration.

The Power Macintosh G4/1.25 (MDD 2003) is a re-released version of the Power Macintosh G4/1.25 DP (MDD) (M8573LL/A) -- due to demand from users who still needed to boot MacOS 9 -- but configured, by default, with a single processor, less RAM, a smaller hard drive, and a DVD-ROM/CD-RW "Combo" drive instead of a DVD-R/CD-RW "SuperDrive". It also sold for a much lower price, US$1299 instead of US$3299.

It was released on June 23, 2003 along with the original Power Macintosh G5 models and discontinued on June 9, 2004 when the Power Macintosh G5 (June 2004) series was introduced.

Please note that this model also could be custom configured with dual 1.25 GHz PowerPC 7455 (G4) processors.

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


June 23, 2003 June 9, 2004
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 2003.
1.25 GHz PowerPC 7455 (G4)
Details: The PowerPC G4 includes the AltiVec "Velocity Engine" vector processor. This model could be configured with dual 1.25 GHz PowerPC 7455 (G4) processors.
1 727 & N/A
Details: This model only is compatible with the 32-bit Geekbench 2 benchmark. 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 PowerMac3,6 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.
MDD G4 Daughtercard Integrated
Details: The Power Macintosh G4 (Mirrored Drive Doors) models have the processor mounted on a custom 300-pin daughtercard.
167 MHz 1.25 GHz* (Built-in)
Details: This system has 256k "on chip" level 2 cache(s) running at processor speed (1.25 GHz) and a 2 MB DDR SRAM backside level 3 cache with "up to 4-GBps throughput".
Open Firmware 1 MB
Details: Boot ROM and around 1 MB, other instructions are loaded into RAM (NewWorld).
64k 256k (on chip), 1 MB
Details: This system has 256k "on chip" level 2 cache(s) running at processor speed (1.25 GHz) and a 1 MB DDR SRAM backside level 3 cache with "up to 4-GBps throughput".
PC2700 DDR SDRAM 333 MHz
Details: Supports 184-pin PC2700 (333 MHz) DDR SDRAM.
256 MB 2 GB*
Details: *This system can support up to 2.0 GB of RAM, but can only use 1.5 GB while booting MacOS 9 (less than 1.0 GB per application).

Site sponsor Other World Computing sells memory -- as well as other upgrades -- for this Power Macintosh G4.

Also see: Actual Max RAM of All G3 & Later Macs.
None 4
Details: N/A
Radeon 9000 Pro* DDR SDRAM
Details: *By default, this model has an ATI Radeon 9000 Pro graphics card with 64 MB of DDR SDRAM. It also could be configured at the time of purchase with a NVIDIA GeForce4 Ti graphics card with 128 MB of DDR SDRAM. The video card occupies a 4X AGP slot.
64 MB 64 MB*
Details: 64 MB DDR SDRAM provided by default ATI Radeon 9000 Pro graphics card. It also could be configured at the time of purchase with a NVIDIA GeForce4 Ti graphics card with 128 MB of DDR SDRAM.
Dual Displays 1920x1200*
Details: *With the default ATI Radeon 9000 Pro graphics card, Apple reports that this system "supports digital resolutions up to 1920 by 1200 pixels and analog resolutions up to 1600 by 1200 pixels". The build-to-order NVIDIA GeForce4 Ti graphics card with 128 MB of DDR SDRAM can support digital and analog resolutions up to 2048x1536.
Dual/Mirroring 1920x1200*
Details: *Apple reports that the ATI Radeon 9000 Pro is capable of simultanously supporting dual displays (one using the ADC port and another using the DVI port -- DVI to VGA adpater also included). 1920x1200 maximum for digital displays and 1600x1200 maximum for analog.
80 GB (7200 RPM) Ultra ATA/100*
Details: *Can officially support four internal hard drives -- two Ultra ATA/100 (ATA-6) and two Ultra ATA/66 (ATA-5) -- drives larger than 128 GB are supported. By default, a single Ultra ATA/100 drive is installed.

It also could be configured with up to four 10,000 RPM Ultra160 SCSI drives at the time of purchase (SCSI PCI card required), or a combination of ATA and SCSI drives (four total).

In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this Power Mac G4.
12X "Combo Drive" None
Details: Apple reported that the 12X DVD-ROM/CD-RW Combo drive "reads DVDs at 12X, writes CD-R at 32X, writes CD-RW at 10X, and reads CDs at 32X". By custom order, it also could be configured with a second optical drive. Both optical drives use a EIDE (ATA-3) bus.
56k v.92 10/100/1000Base-T
Details: Internal modem and 10/100/1000Base-T (Gigabit) Ethernet standard.
802.11b (Optional) None
Details: AirPort (802.11b) was available as a build-to-order addition.
2 (1.1) 2 (400)
Details: USB 1.1 ports are dual channel. Apple advertised that this model has "four USB ports" counting the two on the keyboard as well as the two on the system.
4 PCI*, AP 4 3.5", 2 5.25"
Details: *In the default configuration, this model has four open 33 MHz 64-bit PCI slots, and a 4X AGP slot occupied by the graphics card. It also has an open AirPort (802.11b) expansion slot.

It has four internal 3.5" drive bays -- two Ultra ATA/66 and two Ultra ATA/100 -- intended for hard drives and two external 5.25" drive bays intended for optical drives. By default, with a single hard drive and one optical drive installed, three internal 3.5" bays and one external 5.25" bay are free.
Apple Pro Keyboard Apple Pro Mouse
Details: N/A
Tower Power Mac G4 (MDD)
Details:
M9145LL/A Mirrored Drive Doors 2003
Details: The Apple order number should be unique to this system.
M8570 (EMC 1914C) PowerMac3,6
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the M8570 Model Number, the 1914C EMC Number, and the PowerMac3,6 Model Identifier.

For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section.
3.6V Lithium N/A
Details: N/A
9.2.2, X 10.2 X 10.5.8
Details: This system cannot run versions of MacOS X more recent than 10.5.8.
Boot/Classic Mode* Emulation Only
Details: *This model is capable of booting Mac OS 9 and 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").

Site-sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.
17.0 x 8.9 x 18.4 42.0 lbs. (19.1 kg)
Details: In inches - height by width by depth, (43.2 cm, 22.6 cm, 46.7 cm).
US$1299 US$300-US$425
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 DVI, 1 ADC None
Details: One DVI and one ADC port provided by all stock graphics cards. A DVI-to-VGA adapter also was included.
None None
Details: N/A
None None
Details: N/A
2 (1.1) 2 (400)
Details: USB 1.1 ports are dual channel. Apple advertised that this model has "four USB ports" counting the two on the keyboard as well as the two on the system.
1 (RJ-11) 1 (RJ-45)
Details: 10/100/1000Base-T (Gigabit) Ethernet standard.
None None
Details: N/A
None 1
Details: One analog stereo audio line in jack.
2 1
Details: Includes a rear mounted analog 16-bit stereo sound out jack and an Apple Pro speaker minijack, as well as a front mounted headphone jack.
1 N/A
Details: N/A
None None
Details: N/A
1 N/A
Details: 115V AC (90V to 132V AC) or 230V AC (180V to 264V AC). 400W maximum.



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