Figure 5 Installing the Replacement Memory Align the DIMM in the slot and push both ends of the DIMM down until the tabs are vertical and the ejectors snap. Holding the DIMM by both top corners, lift it straight up out of the computer. Open the ejectors on the DIMM slot by pushing them out to the sides. Four DIMM slots supporting up to 4GB of main memory Dual 2GHz and dual 2.5GHz systems: 512MB of PC3200 (400MHz) DDR SDRAM. Your Power Mac G5 comes with 90 days of free telephone support and a one-year limited warranty. Power Mac G5 (Late 2004) - Technical Specifications.
