Installing a RAID cache cardUse the information for instructions on how to install a RAID cache card.About this taskThe server supports optional RAID cache cards that you can install on the RAIDcache card connector on the system board or on the RAID adapters to upgrade toRAID levels 5 and 50 support. See “Supported RAID cache cards” on page 74 formore information about the cache cards and which cache card is supported on theRAID adapters.To install a RAID cache card, complete the following steps:Procedure1. Read the safety information and installation guidelines, see “Safety” on pagevii and “Installation guidelines” on page 35.2. Turn off the server (see “Turning off the server” on page 22) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables from the server.3. Remove the top cover (see “Removing the server top cover” on page 38).4. Remove the fan cage assembly (see “Removing the fan cage assembly” onpage 270).5. Remove the microprocessor and memory expansion tray (see “Removing themicroprocessor and memory expansion tray assembly” on page 305) or DIMMair baffle (see “Removing the DIMM air baffle” on page 232), whichever one isinstalled.6. Pull the tabs on the SAS cable guide back toward the chassis wall and openthe cable guide cover.7. Make sure that the release tab on the RAID cache card slot is in the openposition.8. Touch the static-protective package that contains the cache card to anyunpainted surface on the outside of the server; then, grasp the cache card bythe edges and remove it from the package.9. Connect one end of the battery cable or flash power module cable to the cachecard.10. Align the cache card with the RAID cache card slot on the system board oradapter and lower it onto the connector.RAID cache cardRAID cachecard connectorReleasetabChapter 2. Installing optional devices 89