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"ancient" g5 memory question
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Forum Regular
Join Date: Mar 2005
Location: AR, US
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Moderator
Join Date: Apr 2000
Location: Gothenburg, Sweden
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You need PC3200 DDR RAM - sometimes called DDR400 - regular 184-pin DIMMs, no ECC. For best performance, pair up the RAM by using identical DIMMs on both channels - easiest is to just use one type in all slots.
This is newegg's selection, to give you a hint.
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The new Mac Pro has up to 30 MB of cache inside the processor itself. That's more than the HD in my first Mac. Somehow I'm still running out of space.
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Moderator
Join Date: Aug 2001
Location: Nobletucky
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Forum Regular
Join Date: Mar 2005
Location: AR, US
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thanks!
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Mac Elite
Join Date: Apr 2000
Location: Minneapolis, MN USA
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I updated my G5 2.5 dual to 7 gigs last summer.
I keep thinking I should max it out to eight.
Soon probably.
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Forum Regular
Join Date: Mar 2005
Location: AR, US
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kept the 512mb x2 and added 1gb x6 i assume?
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Forum Regular
Join Date: Mar 2005
Location: AR, US
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can they be 2gb modules or limited to 512mb or 1gb?
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
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I can't find anyone commenting on their use of 2GB modules in G5s either way, but it should work.
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Forum Regular
Join Date: Mar 2005
Location: AR, US
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i got 1gb modules and all is great. i may never know, or need to know, whether 2gb modules work.
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Junior Member
Join Date: Jan 2008
Location: Salem, OR
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Yeah, it kills me that DDR was always more expensive than DDR2( and now DDR3).
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Junior Member
Join Date: Sep 2009
Status:
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PC-3200 is not available in 2GB modules. The AGP based Power Mac G5s are limited to 8GB RAM because of this. The only Power Mac G5 that can use 2GB modules is the Late 2005 (2.0 dual core, 2.3 dual core, 2.5 dual core dual processor, or "quad") because these models use PC2-4200 which is entirely different and came in 2GB modules, increasing the limit of the 8 DIMM slots from 8GB to 16GB.
Proud owner of a June 2004 Dual 2.5 with 8GB of genuine Samsung RAM, and a Late 2005 Dual 2.0 with 6.5GB RAM
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