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I recently got a pair of old Power Mac G4’s, but they did not come with RAM. I am trying to find out their memory specifications so that I can add some, but unfortunately I cannot find them.

Having little experience with Macs (or pre-built computers in general), I was a little surprised to see that they come in a fairly large number of configurations (I had thought that Apple simplified electronics by limiting the number of variations and/or that different configurations would have different model numbers). (Even these two are different from each other; they have different video-cards and motherboards, one has a modem the other doesn’t, etc.)

It looks like the G4 can have a wide variety of memory options, so I can’t figure out what kind of RAM to use.

Where can I find out the RAM support? I need to know the type (SDRAM, DD1, DDR2, etc.), the speed, and the size (both per-slot and system-total).

Hennes
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Synetech
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2 Answers2

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Check with Apple:

Power Mac G4: How to Differentiate Between Models

According to that, the RAM configuration is most likely one of the following:

  • PC 100 SDRAM up to 1 GB

  • PC 100 SDRAM up to 2 GB

  • PC 133 SDRAM up to 1.5 GB

Ƭᴇcʜιᴇ007
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Try Mactracker, a Macintosh application (free to download and use) that has information about Apple products back to the Apple I from April 1976, including iPods, iPhones, iPads, desktops, and software. You'd use this to look up information, including memory specifications, for any Macintosh ever made. The desktop version runs on pretty much anything from OS 8.5 to current releases of OS X. Mactracker is also available for iOS.

Mactracker is an searchable information resource rather than a online website. It includes specific details such order/product number. Have the order number for an out-of-production Apple product (the numbers are stamped on the chassis or frame)? Mactracker will find the specifications.

In your case, Mactracker lists 20 models of Power Mac G3/G4/G5 computers. The information includes an overview, software, memory and graphics, connections (Ethernet, USB, Firewire, audio, etc.), history and links to Apple manuals.

Here, for example, is the memory information for a Power Mac G4 (AGP Graphics) model, one of several G4 models Apple sold between 1999 and 2004.

G4 Memory and Graphics

Note

Image ©2001-2016 Ian Page.

creidhne
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