IBM 9228 Service Guide - Page 113
Load Default Settings, trained service technician.
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Table 7. 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 Chapter 3, "Parts listing, Type 9228 and 9232," on page 19 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 151 A real-time clock (RTC) error occurred. 1. Run the diagnostics program. 2. Reseat the battery. 3. Clear CMOS. See "Erasing a lost or forgotten password (clearing CMOS)" on page 145 for information about how to clear CMOS. 4. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Battery b. (Trained service technician only) System board 161 The real-time clock battery has failed. 1. Run the Configuration/Setup Utility program, select Load Default Settings, make sure that the date and time are correct, and save the settings. 2. Reseat the battery. 3. Clear CMOS. See "Erasing a lost or forgotten password (clearing CMOS)" on page 145 for information about how to clear CMOS. 4. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Battery b. (Trained service technician only) System board Chapter 5. Diagnostics 95