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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

taking G4 tower and upgrading internals


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newby

 
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Member Since: Jan 18, 2011
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Mac Specs: MPB 2.2 Intel Core Duo 2gb Ram - G5 Tower PPC - iPhone 4 - 2x3GHZ 12gb Ram MacPro Tower, ATV2

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Hi

I have the nice silver G4 towers that was once a decent editing and photoshop system. Now its unable to do any of that! But **** if it doesn't look good!

I always like to tinker with stuff but before I get going I was wondering if anyone knew if it was possible to upgrade the insides of a G4 to a G5?

i.e new motherboard and chipset etc

Would obviously need to do this with spares and repairs from ebay etc but was wondering if it's actually possible!

Thanks

MacBookPro - 2.2 15" - Mac Mini - 2.5 2009 -MacPro Tower 2 x 3 Quad Core (Work) - iPhone 4 - iPad2, 2x Apple TV
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louishen

 
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It would be cheaper just to buy a G5 tower, they go pretty cheap on ebay

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robduckyworth

 
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I am doing a similar project with a G5 case - though Im putting PC parts in it.

the motherboard of a G5 is big - and i doubt it would fit inside the case of a G4. Plus you'd have to slice the case up in order to get all the ports coming out at the correct place.

Also youd have to find a place for all those fans aswell.

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Quote:
Originally Posted by newby View Post

I always like to tinker with stuff but before I get going I was wondering if anyone knew if it was possible to upgrade the insides of a G4 to a G5?

i.e new motherboard and chipset etc
Not possible...simply because a a G5 logic board (and power supply) won't fit in a Powermac G4 case (directly). Now possibly (with some serious modification)...maybe you could get it to work.

What you may also not realize is that the Powermac G5's:

- cpu's & heatsinks are huge
- have 4 computer controlled thermal zones
- have 9 fans

Basically...the Powermac G5 case is not huge for for nothing!

Apple does not design their computers to be upgraded or tinkered-with in this manner. Not that they do this on purpose...it's just not the "Apple-Way".

- Nick

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harryb2448

 
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And upgrading to a G5 if it were possible is just not practical. Support for PowerPC programs from the G4/G5 days is finished. Better to look for a Core 2 Duo 64bit EFI model.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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