POST beep codesA beep code is a combination of short or long beeps or series of short beeps thatare separated by pauses. For example, a “1-2-3” beep code is one short beep, apause, two short beeps, and pause, and three short beeps. A beep code indicatesthat POST has detected a problem.The following table describes the beep codes and suggested actions to correct thedetected problems.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 that indicate a microprocessor error,the error might be in a microprocessor or in a microprocessor socket. See“Microprocessor problems” on page 35 for information about diagnosingmicroprocessor 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, System x3200 Types 4362 and 4363,” on page 67 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 ActionOne short beep Indicates successful completion ofPOST, with no errors.None1-1-3 CMOS write/read test failed. 1. Reseat the battery.2. Replace the following components one at atime, in the order shown, restarting theserver each time:a. Batteryb. (Trained service technician only) Systemboard1-1-4 BIOS ROM checksum failed. 1. Recover the BIOS code.2. (Trained service technician only) Replacethe system 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 at atime, in the order shown, restarting theserver each time:a. DIMMsb. (Trained service technician only) Systemboard16 System x3200 Types 4362 and 4363: Problem Determination and Service Guide
