IBM 84903bu User Manual - Page 67

Table 2. Abbreviated list of POST error codes (continued) v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Error code Description Action 289 A DIMM has been disabled by the 1. If the DIMM was disabled by user or by the system. the user, run the Configuration/Setup Utility program and enable the DIMM. 2. Make sure that the DIMM is installed correctly (see "Installing a memory module" on page 13). 3. Replace the DIMM. 4. (Trained service technician only) Replace the system board. 301 Keyboard or keyboard controller 1. If you have installed a USB error. keyboard, run the Configuration/Setup Utility program and enable keyboardless operation to prevent the POST error message 301 from being displayed during startup. 2. Reseat the keyboard cable. 3. Replace the following components one at a time, in the order shown, restarting the server each time: a. Keyboard b. (Trained service technician only) System board 303 Keyboard controller failure. 1. Reseat the keyboard. 2. Replace the keyboard. 3. (Trained service technician only) Replace the system board. Chapter 5. Solving problems 53