IBM 9228 Service Guide - Page 109
See Parts listing, Type 9228 and 9232, on to determine which components are
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Table 6. POST beep 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. Beep code Description Action 3-2-4 Failure comparing CMOS memory size against actual. Replace the following components one at a time, in the order shown, restarting the computer each time: 1. DIMM 2. Battery 3. (Trained service technician only) System board 3-3-1 A memory size mismatch has occurred. 1. Reseat the following components: a. DIMM b. Battery 2. Replace the following components one at a time, in the order shown, restarting the computer each time: a. DIMM b. Battery c. (Trained service technician only) System board 3-3-2 A critical SMBUS error occurred (I2C bus has 1. Disconnect the power cord, wait 30 failed). seconds, and retry. 2. Reseat the following components: a. DIMM b. (Trained service technician only) Microprocessor 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. DIMM b. (Trained service technician only) Microprocessor c. (Trained service technician only) System board Chapter 5. Diagnostics 91