IBM 220 manual

•If you installed additional memory, start the Configuration /Setup Utility program and select Save Settings.

•If you just replaced a failed DIMM, you must start the Configuration /Setup Utility program, select Advanced Setup, select Memory Settings, highlight the connector or bank of connectors that you want to enable, then select Enable.

•In some memory configurations, the 3-3-3 beep code might sound during POST followed by a blank screen. If this occurs, you must restart the server three times to force the system BIOS code to reset the memory connector or bank of connectors from Disabled to Enabled.

Chapter 5. Installing options 53