Connecting Hardware Devices Expansion cards 933 Position the expansion slot cover in the slot, then lower the card support to hold thecover in place.Installing the expansion slot cover4 Reinstall the access panel, reconnect all signal and power cables, then turn on theserver. For instructions, read steps 7 through 10 in Maintenance overview on page53.Installing a RAID controllerThe Toshiba Magnia 3200 server supports two types of RAID controllers—the AMIExpress 500™, and the Toshiba AF200C ™. You cannot install both controller types in thesame system.Installing the Express 500 and AF200C RAID controllers1 If the server is in operation, shut it down. Then remove the access panel. Fordetailed instructions, read steps 1 through 5 in Maintenance overview on page 53.WARNING: When replacing the cache memory backup battery, be sure to install itproperly. Failure to install the battery properly can cause it to explode. Forinstructions, refer to Replacing the internal battery on page 74.Dispose of the spent battery as required by local ordinances or regulations.CAUTION: Installing the RAID controller while the power is on may damage boththe server and the RAID controller.