System-board optional device connectorsThe following illustration shows the connectors on the system board foruser-installable options.DIMM 1DIMM 2DIMM 3DIMM 4DIMM 8DIMM 7DIMM 6DIMM 5DIMM 12DIMM 11DIMM 10DIMM 9DIMM 13DIMM 14DIMM 15DIMM 16PCI riserconnector 1PCI riserconnector 2Microprocessor 1Microprocessor 2BatteryOptional two-portEthernet adapterconnectorVirtual mediakey connectorSAS/SATA RAIDriser cardconnectorPower supply 2connectorPower supply 1connectorOptical driveconnectorInstallation guidelinesBefore you install optional devices, read the following information:v Read the safety information that begins on page vii and the guidelines in“Working inside the server with the power on” on page 48, and “Handlingstatic-sensitive devices” on page 48. 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: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 x3550 M2 to display the matrix of downloadable files for theserver.46 IBM System x3550 M2 Types 4198 and 7946: Installation and User’s Guide
