v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 8863,” on page 105 to determine which components are customerreplaceable 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 atrained service technician.Beep code Description Action2-1-1 Secondary DMA register failed. 1. Reseat the I/O board.2. Replace the I/O board.2-1-2 Primary DMA register failed. 1. Reseat the I/O board.2. Replace the I/O board.2-1-3 Primary interrupt mask register failed. 1. Reseat the I/O board.2. Replace the I/O board.2-1-4 Secondary interrupt mask register failed. 1. Reseat the I/O board.2. Replace the I/O board.2-2-2 Keyboard controller failed. 1. Reseat the I/O board.2. Replace the I/O board.3-1-1 Timer tick interrupt failed. 1. Reseat the I/O board.2. Replace the I/O board.3-1-2 Interval timer channel 2 failed. 1. Reseat the I/O board.2. Replace the I/O board.3-1-4 Time-of-day clock failed. 1. Reseat the following components:a. Batteryb. I/O board2. Replace the components listed in step 1one at a time, in the order shown, restartingthe server each time.3-3-2 Critical SMBUS error occurred. 1. Disconnect power cord, wait 30 seconds,and retry.2. Reseat the following components:a. DIMMb. Memory cardc. Microprocessor trayd. I/O board3. Replace the following components one at atime, in the order shown, restarting theserver each time.a. DIMMb. Memory cardc. (Trained service technician only)Microprocessor trayd. I/O boardChapter 2. Diagnostics 15