A single problem might cause more than one error message. When this occurs,correct the cause of the first error message. The other error messages usually willnot occur the next time POST runs.Exception: If there are multiple error codes or diagnostics LEDs that indicate amicroprocessor error, the error might be in the microprocessor or in themicroprocessor socket. See “Microprocessor problems” on page 85 for informationabout diagnosing microprocessor problems.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 4364, 4365, or 4366 server,” on page 15 to determine whichcomponents 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 atrained service technician.Beep code Description Action1-1-3 CMOS write/read test failed. 1. Reseat the battery.2. Clear CMOS, see “System-board switchesand jumpers” on page 7.3. Replace the following components one ata time, in the order shown, restarting theserver each time:a. Batteryb. (Trained service technician only)System board1-1-4 BIOS EEPROM checksum failed. (Trained service technician only) Replace thesystem board.1-2-1 Programmable interval timer failed. (Trained service technician only) Replace thesystem board.1-2-2 DMA initialization failed. (Trained service technician only) Replace thesystem board.1-2-3 DMA page register write/read failed. (Trained service technician only) Replace thesystem board.1-2-4 RAM refresh verification failed. 1. Reseat the DIMMs.2. Replace the following components, one ata time, in the order shown:a. DIMMsb. (Trained service technician only)System board68 IBM System x3250 Types 4364, 4365, and 4366: Problem Determination and Service Guide