Lifetime warranty on all Memory / RAM. Free returns and support on all products. 466 MHz PowerPC 750 (G3) Newer iMAXpowr G4 433. How much RAM of what type do these systems support?†† These models have one factory installed memory module in a 184-pin DIMM slot (the difficult to access top slot), and one 200-pin user-accessible SO-DIMM slot (the easy to access bottom slot).† These models have one factory installed memory module in a 168-pin DIMM slot (the difficult to access top slot), and one 144-pin user-accessible SO-DIMM slot (the easy to access bottom slot).§ Apple officially supports 1 GB of RAM in these models, but unofficially these models support 2 GB of RAM.It is challenging to upgrade the memory in the top slot, and as such, users with limited experience upgrading computers would be wise to either just upgrade the memory in the bottom slot -- which is easy -- and make do with the "easy maximum" of memory or hire a professional. This is found on the Apple Menu (OS 9) or from "About this Mac" (OSX). There is nothing else quite like them - if your machine looks like the images on this page then it is a G4 iMac. Hello, just upgraded my iMac G4 to 2GB RAM and an OCZ Agility SSD. If all the memory in the iMac has been replaced, it lists the new total of all installed RAM.DIMMs with any of the following features aren't supported:After your iMac cools down, follow these steps: Use your fingers to remove the RAM entirely. Unscrew, counterclockwise, the RAM panel in the centre until it pops out. The one that plugs into the drive was the one I ended up using as there was not enough room on the MB. Question: Q: iMac G4 RAM upgrade?

Then choose Memory under the Hardware section in the left side of System Information.The window that appears lists the total memory, including the amount of memory that originally came with the computer plus the newly added memory. How much can a G4 be upgraded to, is it 1GB only? 433 MHz PowerPC 7400 (G4) PowerLogix iForce 400. That means you can buy additional RAM (up to 32GB) any time you want, long after you've bought your new iMac. Hi Hamper, Just to further add to Steve's reply, there were seven different releases of the G4 iMac: 1. iMac (Flat Panel) aka Tessera, P80 - Introduced Jan 2002, Discontinued Feb 2003 - Max RAM = 1GB 2. iMac (17-inch Flat Panel) aka P79 - Introduced July 2002, Discontinued Feb 2003 - Max RAM = 1GB 3. iMac (15-inch Early 2003) - Introduced Feb 2003, Discontinued Sep 2003 - Max RAM = 1GB Laptop, Other OS Posted on May 24, 2007 9:35 AM. Includes a lifetime memory warranty. These are the things you need to add convenience to long days of class and studying.

The maximum amount of random-access memory (RAM) you can install in each computer is: Question: Q: iMac G4 RAM upgrade?

Other iMacs have different methods for replacing the hard drive.Memory is not upgradeable by users on these iMacs:204-pin PC3-12800 1600 MHz DDR3 SO-DIMM200-pin PC2-6400 DDR2 (800 MHz) SO-DIMMUse matched pairs of 4 GB per memory slot204-pin PC3-8500 DDR3 (1066 MHz) SO-DIMMThere was an error. If you want to replace or upgrade an internal hard drive in your iMac, an Apple service provider can do it for you. That means you can buy additional RAM (up to 32GB) any time you want, long after you've bought your new iMac. If you're ready to upgrade your iMac, now is the time. Place iMac face down, ensuring the screen is protected from anything that could scratch it.

These early Intel-based iMacs are probably not worth the time and cost to update.The first thing you need is your iMac's model number.

400 MHz PowerPC 750 (G3) PowerLogix iForce 500. Please note that just because RAM meets the minimum listed criteria does not mean that it will necessarily function as intended in a particular Mac. Processor.