Table 3. List of POST error codes (continued)v Follow the suggested actions in the order in which they are listed in the Actioncolumn until the problem is solved.v See the parts listing in the Problem Determination and Service Guide to determinewhich components are customer replaceable units (CRU) and which componentsare field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step mustbe performed only by a trained service technician.Error code Description Action289 A DIMM has been disabled by theuser or by the system. 1. If the DIMM was disabled bythe user, run theConfiguration/Setup Utilityprogram and enable the DIMM.2. Make sure that the DIMM isinstalled correctly (see“Installing a memory module”on page 11).3. Reseat the DIMM.4. Replace the DIMM.5. (Trained service technicianonly) Replace the systemboard.301 Keyboard or keyboard controllererror. 1. If you have installed a USBkeyboard, run theConfiguration/Setup Utilityprogram and enablekeyboardless operation toprevent the POST errormessage 301 from beingdisplayed during startup.2. Reseat the keyboard cable inthe connector.3. If you are using an externalUSB hub, disconnect thekeyboard from the hub andconnect it directly to the server.4. Replace the followingcomponents one at a time, inthe order shown, restarting theserver each time:a. Keyboardb. (Trained service technicianonly) System boardChapter 6. Solving problems 51
