Downgrading my early 2005 2.3 GHz G5

I have an early 2005 2.3 GHz G5 that I bought exclusively for use as an audio server, i.e. I run music player software (a la iTunes) and route output via Firewire to a pro audio DAC. I'm running OS X 10.4.11, as it sounds superior.
The problem for use in audio is, of course, the fan noise ... even when the fans are not in Huey mode.
I'm in the process of downgrading the X800XT video card in an attempt to reduce it's own fan noise, plus the heat.
The inside of the case is very clean. I've upgraded firmware, which reduced the frequency of Huey mode (aka jet takeoff noise).
I've replaced the spinning hard drive with an OCZ Vertex Turbo SSD. I'm not running an Airport card.
What else can be done to minimize heat, and therefore the fans, and their noise?
Any other downgrades that are possible, to reduce heat or AC power requirements?
thanks in advance
cfmsp
Message was edited by: cfmsp

I wish I could offer more
I too have been using even an older G4 Quicksilver strictly for Audio in my home built studio. Think of the noise factor with 'this' machine. Problem with my studio is that I couldn't build a separate control room, (not enough room). In fact I even need to cover some of the enclosure with a comforter very carefully as to not block the cooling exhaust.
Your G5; a Dual Core? Dual Processor?
My G5 Dual Core (which I use for FCP), is upstairs. I've currently got a nVidia GForce 7800GT - it's nice and quiet - quieter than the G4.
A few photos of the home-built studio;
http://www.locationstudio.net/room-24.jpg
http://www.locationstudio.net/room-7.jpg
http://www.locationstudio.net/room-2.jpg
http://www.locationstudio.net/room-22.jpg
3 minute Trailer;
http://vimeo.com/7340608
Limme know how I can help?
Mike

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Swapped all my Early 2005 2.7 ghz to a new case now nothing

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Great work, you seem the perfect cantidate for rebuilding it yourself, see these...
http://fr.zicos.com/mac/i25472609-G5-LCS-Repair-Rebuild-Guide-Update-w-notes-on- Viton-O-Rings.html
http://www.xlr8yourmac.com/systems/G5_coolant_leaks.html
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Seagate HARD DISK Barracuda 2 TB 7200 64MB SATA3: can I fit in a Power Mac G5 Dual 2,7 Ghz (early 2005)?

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Purchasing a new Boot drive for Power PC Mac dual G5 2.7 GHz ( early 2005)

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Now - I’ve gone through a big research and even though I have not really make up my mind about my purchase - here is what I’ve found out so far.
As a boot drive I’ve been considering following ( I’m adding my comments as well)
1) My first pick was Hitachi T7K500 320GB SATA II HD 16MB Cache -
seemed to me like a very good choice for a boot drive since it has a great random access .But after reading review in “ AMUG reviews “ Using a Hitachi T7K500 320GB with a Mac Pro I was not that sure .Apparently They don’t recommend Hitachi T7K500 for internal Mac Pro usage since it is slower without using SATA host adapter. But that is Mac Pro - I have Dual processor so it might be different?
Second choice was
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here I’m not sure -some guys don’t really recommend this brand but in bunch of online reviews I’ve read it was mentioned as a very good choice for a boot drive .
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Everyone knows those drives are fast
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Also I’m not sure whether for example in the case of hitachi ( or even other brands ) would be smarter to go with bigger size - maybe 400 or 500 GB for a boot since all drives getting slower as they get filled up.
I would really appreciate if anyone can give me a feedback as far as what drive would be the best choice in my case.
Thank you very much for your time
Milan

OK - I'll try that one more time - second choice is Maxtor Maxline III 500 GB or maxtor maxline Pro 500 GB.

Are logic boards interchangeable - such as the 3 early 2005 power mac comp

Hello all,
I have another question similar to the one about whether or not different cases can be interchanged.
My "new" question is this:
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or is each logic board specific to the speed of the processor? Or can the quad 4 2.5 ghz logic board be substituted into a dual 2.7 ghz case?
When you answer, could you please try to answer in simple terms.
Thanks,
Stacey Bindman

Hi, sorry for the bump. I am looking to get a new logic board for my G5. I've been looking around eBay and some info you said contradicts the descriptions of some items, namely:
http://cgi.ebay.com/APPLE-POWERMAC-G5-820-1760-A-LOGIC-BOARDW0QQitemZ230384643421QQcmdZViewItemQQptZMotherboards?hash=item35a3fead5d&trksid=p3286.c0.m14
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The 820-1760-A only has 4 ram slots, and by what Steve said, can only be compatible with the 2.0 ghz processors. The second listing has a model number of 820-1592-A, which the seller claims is compatible with 2.0+ ghz processors.
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Tech Specs for Early 2005 G5?

Anyone know where I can find the tech specs for early 2005 G5s. (2.7 GHz specifically) This revision is curiously missing from Apple's tech spec page. It goes from late 2004 to late 2005.
Also, does anyone know what optical drive(s) shipped in the 2.7?
TIA ...
-phil
DP 1 GHz G4 Mac OS X (10.4.4)

Here they all are.
http://www.everymac.com/systems/apple/powermac_g5/index.html
-Bmer
Mac Owners Support Group
Join Us @ MacOSG.com
 An Apple User Group 
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Upgrading an early 2005 G5 Power Mac - memory & HD - your hindsight appreci

Hello, I have an early 2005 G5 Power Mac, dual 2.3 Ghz, 2GB memory, and a 400GB Hitachi Drive.
In researching memory and hard drives, I come face to face with all the engineering terms and now have cold feet about it.
My existing memory is called: PC3200U-30330 DDR SRAM. I found a Samsung module on the web called a PC3200 DDR400 for $61 but the vendor won't confirm compatibility. Can anyone recommend a competitively priced substitute for the expensive Apple part? Is there a rule of thumb on knowing how much is too much or should I just buy 6 additional 1GB modules and have done with it.
I have one HD. I assume it is a SATA-1. I'd like to buy a 500mb 2nd drive. I have read the SATA-2 drives are backward compatible; are they? How should the jumper on the new drive be set: cable select??
Finally, are there any performance suggestions anyone could mention for me to look into? I am editing music files in the 10 to 75mb range, cutting and re-constructing movie clips in the 4.7 gb range.
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Hi,
the RAM compatible with your computer you can find here:
http://eshop.macsales.com/MyOWC/Upgrades.cfm?model=219&type=Memory&TI=1906&shoup grds=Show+Upgrades
And also on other Mac's sites like Crucial, Omni Technologies
I would be very careful with PC's RAM - some of them can work with Mac, but some don't.
Hard disk SATA-2 is backward compatible, so you can buy for example Maxtor MaxLine Pro 500 GB:
http://eshop.macsales.com/item/Maxtor/7H500F0/
or WD RE2 500 GB:
http://eshop.macsales.com/item/Western%20Digital/WD5000YS/
or Hitachi:
http://eshop.macsales.com/item/Hitachi/0A31619/
I think that you don't need more then the next 2GB of RAM. In fact, if you editing music - your current 2GB seems to be fine. But always 4 GB is better then 2 GB
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Marek.

Early 2005 G5 not recognizing RAM, optical door not opening

Hi,
I recently received a Power Mac G5, Early 2005, Dual Core 2.0 GHz, 1 GB RAM, 250 GB HD, running OS 10.5.8.
I decided to invest in this machine, so I ordered a paired 1 GB RAM (for a total of 2 GB RAM) from OWC. Then when trying to install software, I found the computer's optical drive door does not open at all. I could hear the optical drive trying to open but figured it was old and defective/worn out. So I also ordered a new optical drive from OWC. I also made sure to order the correct screws that OWC recommended for the optical drive too, as my original optical drive was a Sony and I saw there are some issues with the screws or height.
I installed the 2 x 1 GB paired RAM, and the G5 is not recognizing the RAM. In System Profiler, the slots show as empty. The RAM did not really click in like other RAM I have installed on my PowerBook G4, my former G3 Beige, and my former Power PC 6100. The hinges on the sides closed but not quite all the way, so I figure OWC sent me the wrong RAM and removed them before RAM issues start. I also noticed the RAM is slightly taller in height next to the original RAM.
The new optical drive installed fine, with the proper screws. However when I try to open it using the "eject" on the keyboard, the optical drive does try to open but the exterior door on the G5 case itself is not opening. It does show up in the System Profiler. When I had the G5 open and no optical drive installed, I doublechecked the exterior optical drive door with my finger, and it would open from the inside of the case poking my finger out, but not from the outside poking in.
Also, I noticed that the Model Identifier doesn't quite match up with the specs at OWC, Crucial, or elsewhere. According to the specs I should have 7,2, not 7,3? I ran the serial number at the Dutch website and also here at Apple, and both have said Early 2005. Is this why I may have the wrong RAM?
Model Name: Power Mac G5
Model Identifier: PowerMac7,3
Processor Name: PowerPC G5 (3.1)
Processor Speed: 2 GHz
Number Of CPUs: 2
L2 Cache (per CPU): 512 KB
Thanks in advance for your help and advice.

BDAqua wrote:
The RAM should fit then, it does snap in, but not always easily!
I couldn't get the last pair in until I laid the box on its side. For some reason, when it was upright I couldn't get the DIMMs to fully engage the socket. Zero insertion force it definitely ain't!
I see the OWC price is now about $3 lower than our local good supplier down here. I'll limp along on what I have in the machine now; it seems to work pretty well and three days after maintenance (DW, of course) and reboot, I still have zero page outs, which is a good sign, I guess.
Message was edited by: old comm guy

PowerMac G5 (early 2005) Airport Extreme.

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...I recently purchased an older PowerMac G5 (early 2005) to practice on, Dual 2.3 GHZ. I want to use an Airport Extreme Card to connect to my network wirelessly. Now I cannot find an antenna wire or antenna card. The case does not have an Airport antenna connector. I currently use a USB adapter for wireless access. Any ideas on what is needed to complete the wireless components so it works?
Please check out this Apple Support article: Power Mac G5: How to Identify External AirPort and Bluetooth Antennas ... and here's one source for these antennas: www.MAC-PRO.com

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groovewire wrote:
…I believe the early Mac Pro G5 Desktops did not have the intel CPU processors.“…
Kappy's reply is 100% on target, of course, and you are right about needing the Intel chip.
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In this thread the OP requested a Snow Leopard disc for a new iMac that shipped with Lion, and reported the following:
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Hi all,
I feel bad for posting a new topic, as japamac and other users have addressed this question before, however, I'm confused!
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I want to replace the graphics card because:
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Gorf

Hi-
Your machine is 8x AGP graphics and accepts one 8x AGP compatible graphics card.
The other expansion slots are either PCI or PCI-X.
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i have 2 broken Power Mac G5's and i am trying to swap the broken PSU from Machine 2(Quad with faulty processor) to Machine 1(Dual with broken PSU) - is anybody kind enough to advise if the PSU can be swapped between those 2 models?
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Manuel

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Downgrading my early 2005 2.3 GHz G5

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