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mixing ram...
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Mac Enthusiast
Join Date: Dec 1999
Location: UK
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Offline
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hi
can mixing 32x64 ram with 16x64 cause system errors and crashes?
I have a blue & white powermac (g4 400mhz zif upgrade) all of the ram modules are 256mb PC100
however two are Siemens 16x64 and two are unlabelled 32x64 - whenever I have all of them in together - I get constant system crashes, but when I have just two of each it works fine
rich
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PowerMac G5 Dual 1.8GZ, 2GB RAM, 150 & 300 GB Internal Hard Drives, AGP Geoforce 5200 64MB Graphics Card, Superdrive.
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Mac Elite
Join Date: Jun 2000
Location: If I tellz ya, then I gotsta killz ya !
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My B&W was just like yours, it would run fine as long as all the chips were the same, but would crash like doodoo when confronted with a mixture 
I tried all sort of combinations, but ended up buying 4x 256mb, 32X64 chips back when the PC100 prices bottomed out @around $17.00 each, and notta problemo from then on....
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Signatures are ugly. Bitchy women are ugly......YOU do the math :)
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Baninated
Join Date: Mar 2006
Location: uae
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Junior Member
Join Date: Feb 2005
Location: Los Angeles, CA
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I installed 3 512 and the 256 that came with the machine (G4 dual 867 Mirror door), I remember seeing somewhere that you needed to install ram stick in twos. Is this accurate, my Mirrror door seems to be working fine. Cheers.
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normdzn
___________________________________
beauty is in the eye of the designer
www.sixeyedesign.com
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Moderator  Join Date: Sep 2001
Location: Arizona
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Originally Posted by normdzn
I installed 3 512 and the 256 that came with the machine (G4 dual 867 Mirror door), I remember seeing somewhere that you needed to install ram stick in twos. Is this accurate, my Mirrror door seems to be working fine. Cheers.
Only for G5s.
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I like chicken
I like liver
Meow Mix, Meow Mix
Please de-liv-er
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Junior Member
Join Date: Feb 2005
Location: Los Angeles, CA
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Thanks Lat, by the way, how can I have an image on my signature. Is there a thread about that? Cheers.
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normdzn
___________________________________
beauty is in the eye of the designer
www.sixeyedesign.com
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Moderator  Join Date: Apr 2000
Location: Gothenburg, Sweden
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Go to the User CP, edit the sig and use the button for the image to link to your image (it must be on the web). Check the sticky about how large the image can be.
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Junior Member
Join Date: Feb 2005
Location: Los Angeles, CA
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normdzn
___________________________________
beauty is in the eye of the designer
www.sixeyedesign.com
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Forum Regular
Join Date: Jun 2006
Location: Sydney, Australia
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Macs are funny about ram. Test, retest, and find what works for you. It is possible that you are getting problems due to logical boundries crossing over modules. Try a different order.
But RAM is cheap now. Probably for $50 you can fix your problems
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Power Mac G4 Digital Audio 533MHz 1.5GiB RAM, 2x 80Gb ATA HDDs, 320Gb SATA HDD, Radeon 9650 256MiB, Airport Extreme compatible PCI card, Zip 250, Pioneer 110, Firewire DVD burner, 21" CRT, Harmon Kardon Apple Pro Speakers, OS X 10.4.6
Powerbook Pismo G3 400MHz, 768MiB RAM, 80Gb HDD, AirPort Extreme PC Card, Bluetooth 1.1, DVD-ROM, OS X 10.4.6, Ubuntu 5.10, MacOS 9.2.2
To buy: RAM for Pismo, CPU upgrades
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