Interpreting POST diagnostics 19If the server halts before POST is finished, the server emits abeep code indicating that a fatal system error requires immediateattention. See "Interpreting POST diagnostics" (page 19) for details.If POST can display a message on the monitor, the server emits twobeeps as the message appears.Record the message that appears on the monitor and the beep codethat you hear. This information is useful if you need assistance fromyour technical support representative.—End—Interpreting POST diagnosticsThis section provides an explanation of the POST diagnostic codes.POST beep codesIf an error occurs before video initialization, POST emits beep codes thatindicate errors in hardware, software, or firmware.A beep code is a series of separate tones, each equal in length. Record thebeep code sequence before calling Nortel technical support.ATTENTIONSome POST beep codes are fatal and may require that you replace the SingleBoard Card (SBC). See the table below for more information about beep codes.POST beep codesBeepcount Error message Description1 Refresh Failure The memory refresh circuitry of the processorboard is faulty.2 Parity Error A parity error was detected in the base memory(the first block of 64 kbytes) of the system.3 Base 64KBMemory FailureA memory failure occurred within the first 64kbytes of memory.4 Timer NotOperationalA memory failure occurred within the first64 kbytes of memory, or Timer #1 on theprocessor board failed to function properly.5 Processor Error The Central Processing Unit (CPU) on theprocessor board failed to function properly.Nortel CallPilot1002rp Server Maintenance and DiagnosticsNN44200-701 01.02 Standard5.0 4 April 2007Copyright © 2007, Nortel Networks Nortel Networks Confidential.
