System-board optional-device connectorsThe following illustration shows the connectors on the system board foruser-installable optional devices.DIMM connector 1DIMM connector 2DIMM connector 3DIMM connector 4RemoteSupervisorAdapter IISlimLineconnectorPCI Express or optionalSAS/SATA controllerconnector 2PCI Express or optionalSAS/SATA controller1connectorMini - SAS/SATAcontroller connectorInstallation guidelinesBefore you install optional devices, read the following information:v Read the safety information that begins on page v, “Working inside the serverwith the power on” on page 22, and the guidelines in “Handling static-sensitivedevices” on page 22. This information will help you work safely.v When you install your new server, take the opportunity to download and applythe most recent firmware updates. This step will help to ensure that any knownissues are addressed and that your server is ready to function at maximum levelsof performance. To download firmware updates for your server, complete thefollowing steps.Note: Changes are made periodically to the IBM Web site. The actual proceduremight vary slightly from what is described in this document.1. Go to http://www.ibm.com/systems/support/.2. Under Product support, click System x.3. Under Popular links, click Software and device drivers.4. Click System x3350 to display the matrix of downloadable files for the server.20 IBM System x3350 Types 4192 and 4193: User’s Guide