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villalobos Apr 15, 2001 07:15 PM
Memory for 7300
Does it have to be 5V? Can 3.3 V be used.


finboy Apr 16, 2001 04:50 PM
Check the 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.

Shop smart, shop S-Mart! You got that!!?!!
Ra 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:

Look around for a copy of GURU. This software was free (form Newer tech.), and contains information on memery for all Macs.
Walter J. Ferstl 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

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


ddiokno 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
fabz 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
Griz May 18, 2001 10:53 AM
Another place to get good Ram is Ram Has lifetime gaurentee.
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