6. If you are instructed to return the memory card, follow all packaginginstructions, and use any packaging materials for shipping that are supplied toyou.Replacing a memory card:This topic provides instructions to install a replacement memory card.About this taskThe Intel 7500 Scalable Memory Buffer memory card and the Intel 7510 ScalableMemory Buffer memory card are not interchangeable and cannot be used in thesame server. To verify that your server supports the memory card that you areinstalling, look at the label on the top of the memory card. If the label does notstate that the memory card can be used only in machine types 7143 and 7191, thememory card can be used only in machine type 7145 and 7146.NOTE:Only usethis memorycard withMachineTypes 7143or 7191To install a replacement memory card, complete the following steps:Procedure1. Make sure that the memory card that you are installing is supported by yourserver by verifying the machine types listed on the label on top of the memorycard.2. Insert the memory card into the memory-card connector. Press the memorycard into the connector and the retention latch down onto the top of thememory card.3. Slide the blue release latch toward the front of the server, into the lockedposition.4. Install the top cover (see “Replacing the top cover” on page 107).Removing a DIMM:This topic provides instructions for how to remove a DIMM.About this taskDIMMs must be installed in pairs of the same type and speed. To use thememory-mirroring feature, all the DIMMs that are installed in the server must beof the same type and speed, and the operating system must support memorymirroring.To remove a DIMM, complete the following steps.Chapter 5. Removing and replacing components 137
