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Memory for 7300
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Mac Elite
Join Date: Apr 2000
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Apr 15, 2001, 07:15 PM
Does it have to be 5V? Can 3.3 V be used.


Addicted to MacNN
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Apr 16, 2001, 04:50 PM
Check the macgurus.com website for a complete discussion of the different types of DIMMs used in PCI PowerMacs.

I'm pretty sure that the only systems that used (or could use) 3.3V were those with Tanzania motherboards.

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Fresh-Faced Recruit
Join Date: Mar 2001
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Apr 28, 2001, 05:33 PM
+5V 168-pin DIMM, 70 ns DRAM speed.

I got some from the following site, good quality, at $43.00 per 32MB modules:http://www.datamem.com/

Look around for a copy of GURU. This software was free (form Newer tech.), and contains information on memery for all Macs.
Dedicated MacNNer
Join Date: Oct 1999
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May 10, 2001, 07:24 PM

the RAM DIMMs you need are also called FPM (Fast Page Module) DIMMs. As finboy and Ra said, they are 168 pin, 5 volts. Minimum speed is 70 ns, but having 60 ns ones would not hurt (but no speed advantage, either).

There is a little speed gain of you install RAM DIMMs in pairs in the 7300 (this is called memory interleaving).

the most recent version of GURU is 2.9. You can dowload it for free at
NewerRAM, http://www.newerram.com/Memoryguide/default.htm

GURU will also tell you a lot of other things about the specs of Macs past and present, not just RAM specifications.


Mac Elite
Join Date: Sep 1999
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May 10, 2001, 10:18 PM
Check out Other World Computing... they have 128 MB Dimms that'll work for you around $80.
good luck
dave http://www.macsales.com
Fresh-Faced Recruit
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May 16, 2001, 03:13 AM
I am using a 7300. I just received two 64 MB DIMMS for $80 at DataMem. The product number is DM50 011. They work perfect
Junior Member
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May 18, 2001, 10:53 AM
Another place to get good Ram is Ram Jet.com Has lifetime gaurentee.
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