G5 Dual 2.7 ( early 2005 ) won't switch on

I leave my computer on overnight, in the morning I come in move my mouse a little and wake up my mac, but this morning it wouldn't come on. Thought maybe there had been a power cut so tried to switch it on at the front, nothing, there are several other computers in my office that are left on all of them are fine.
If I switch my mac on at the front I hear a click, the light (above the power switch) comes on, the fans attempt to start but just briefly twitch & I notice (all this happens at the press of the power button) a small red light on the motherboard situated just behind the power switch flicks on, then nothing.
Incidentally I hear the same click noise when I plug in the power cable.
So far I've tried pressing the pmu, removing all the ram then just putting one stick back in, but no joy, any ideas?

There's a troubleshooting flow chart here.
http://www.macosg.com/group/viewtopic.php?t=12631
This is from that chart
Power-on LED illuminates when power button is pressed but fans do not spin
(or spin only momentarily) and there is no boot tone or video
1. Reseat video card. (Make sure video card is fully inserted in connector and end of
card is secured by the connector latch.)
2. Reset the logic board. Refer to “Resetting the Logic Board” in this chapter.
3. Verify power supply cables are fully connected
4. Check for trickle voltage on the power supply connector. Refer to “Power Supply
Verification” in this chapter. If verification fails, replace power supply.
5. Replace logic board

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Graphics Card Replacement - Dual 2.7 Early 2005 - Which?

Hi all,
I feel bad for posting a new topic, as japamac and other users have addressed this question before, however, I'm confused!
My used Dual 2.7 Early 2005 G5 has the stock graphics card in it at the moment, as the 800XT that my dad had been using in it broke while he was doing some maintenance prior to giving it to me.
I want to replace the graphics card because:
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-I want to edit RAW photos in Aperture (will upgrade to 3 soon) with shorter load times.
So which card would you recommend? I've been confused, as I believe the graphics slot is PCI-X (not express, I've got that one down), but a lot of the cards discussed in archival threads are 8x AGP. Perhaps the computer has both slots and I'm unaware? I feel further hampered by my lack of knowledge when the best source for this upgrade may/will be ebay.
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Gorf

Hi-
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You are looking for a Mac compatible graphics card, with a minimum of a Radeon 9800 XT 256MB card needed for your uses.
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Purchasing a new Boot drive for Power PC Mac dual G5 2.7 GHz ( early 2005)

As I’ve mentioned I have Power MAC Dual G5 2,7 GHz( early 2005)
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Are dual 2.0 early and late 2005 mobos interchangeable?

So,my early2005 g5 mobo crapped out and now hunting a replacement from ebay.
are the early and late 2005 mobos interchangeable or is there problems with components and
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Cheers!

The motherboards are quite different. The first major difference is that the Late 2005 models use PCI Express slots, whereas the early 2005 models used PCI-X (PCI Extended) slots for expansion, and an AGP slot for the graphics card. So, no cards are interchangeable between the two.
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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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G5 Dual 2.3 (Early April 2005) with Radeon 9650XT (256mb) Driver Question

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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??
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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
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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/
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http://eshop.macsales.com/item/Hitachi/0A31619/
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Marek.

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Any other downgrades that are possible, to reduce heat or AC power requirements?
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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

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:
Are the 3 "early 2005" Power Mac logic boards interchangeable? In other words, could one use a dual 2.0 or 2.3 or 2.7 ghz logic board in any of these models
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
and
http://cgi.ebay.com/Apple-G5-DUAL-2-x-Ghz-Logic-Board-661-3585-820-1592-AW0QQitemZ380161839415QQcmdZViewItemQQptZApple_Desktops?hash=item5883695137&trksid=p3286.c0.m14
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Early 2005 G5 not recognizing RAM, optical door not opening

Hi,
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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

Can I swap PSU between early 2005 and late 2005 G5 models?

Hello all
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?
Machine 1): G5 2.7 DP (PCI-X) - early 2005, Model A1047, Serial: CK514H35RU4
Machine 2): G5 Quad Core (2.5) - late 2005, Model A1117, Serial: CK54900PR70
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Manuel

The Quad has a 1000 watt PSU for one thing, check the older one, I'm not sure but it might be 600 watts.

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G5 Dual 2.7 ( early 2005 ) won't switch on

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