
4-4 Diagnostic Tools
POST Messages Continued
Message | Beeps* | Probable Cause | ||
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None | Cache memory controller or | |||
controller failure |
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| RAM failure | |
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2S | A memory error on one of the | |||
Bit Errors in DIMM Pair(s) |
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| installed DIMMs has been | |
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| detected and corrected with the | |
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| system’s ECC logic. The | |
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| workstation will continue to | |
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| operate correctly with this error. | |
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Recommended Action
Run the Computer Checkup and Diagnostics utilities.
Run Diagnostics to get more information.
None | Too much memory installed in | Remove DIMM from socket. | ||
Configuration Detected. |
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Maximum of 1 Gbytes of |
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Memory Supported. System |
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Halted |
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1L | Failed processor (X is 0 or 1) | Replace the processor and/or the | ||
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| Processor Power Module. | |
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None | Keyboard failure | Verify that you do not have a key stuck | ||
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| or something on the keyboard. | |
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| Ensure that the keyboard is plugged in. | |
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| Replace the keyboard. | |
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None | I/O keyboard controller | 1. Reconnect keyboard with computer | ||
Error |
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| turned off. |
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| 2. | Replace the system board. |
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None | Keyboard failure | 1. | Replace the keyboard. | |
Unit Error |
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| 2. | Replace the system board. |
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2S | Both external and internal ports | Run Computer Setup or Windows NT | ||
Assignment Conflict |
| are assigned to parallel port X. | utilities. | |
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1L, 2S | Monochrome display controller | Replace the monochrome display | ||
Failure |
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| controller. | |
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2S | Both external and internal ports | Run Computer Setup or Windows NT | ||
Conflict Detected |
| are assigned to parallel port X. | utilities. | |
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1L, 2S | Graphics display controller | Replace the graphics controller. | ||
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None | Diskette controller circuitry | 1. | Run Computer Setup. | |
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| 2. | Check and/or replace cables. |
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| 3. | Replace diskette drive. |
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| 4. | Replace the system board. |
Continued