Ecc Single-Bit And Multiple-Bit Errors - HP D7171A - NetServer - LPr Installation Manual

4 gb memory board installation guide

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Table Of Contents

Table of Contents

Chapter 3

Standard BIOS Error Messages

Several different situations generate visual or auditory error messages which

appear in the Event Log Report Utility:

No memory board detected. If a memory board is not installed, the

system generates 11 beeps and halts.

Memory board detected, but no DIMMs found. If no DIMMs are

installed on the board, you will hear three beeps and the system hangs.

Mixed DIMM sizes. HP will not support DIMMs of varying sizes. If

these are mixed in a single bank, the system continues to run, and

memory downsizing occurs. Appropriate POST error codes will be

generated. After the first boot, the errors will not be displayed.

Mixed DIMM speed. HP only supports DIMMs running at 100 MHz

(Megahertz). Should you mix DIMMs of different speeds in the same

bank, the system detects this error. No message appears, but the system

may run unreliably.

ECC (Error Checking and Correction) Single-Bit Errors. These errors

may be detected in POST as in run-time. Appropriate POST error codes

will be generated.

ECC (Error Checking and Correction) Multiple-Bit Errors. Such

errors may be detected during POST as well as run-time. Multiple Bit

Errors are not corrected.

NOTE

Memory downsizing will occur during POST if ECC errors

occur. In this case, you will see error codes #310, 311, 312

and/or 313.