10 
10.4 Defective I/O Interface Board
Interface boards are hot-pluggable in many instances.
Begin | INDICATION | TEST/PROCEDURE | REFERENCE |
| System error message or |
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| LED code identifies a |
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| specific board or I/O |
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| problem |
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| Locate indicated board. |
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| Check LEDs on board to verify ASR | LED code must be |
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| has deactivated the board. | Table |
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| Replace the board or device. |
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| Board is not active until system is | See Section 3.3, |
| Board not identified or | booted. |
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| intermittent problem |
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| Check /var/adm/messages | Refer to SunVTS User’s Guide. |
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| Run SunVTS to test suspected |
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| boards, CPUs, SIMMs, power |
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| supplies, other devices. |
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| Check I/O cable connections. |
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| Locate defective SCSI device with |
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| command) | See Figure |
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| Check related modular power |
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| supply. |
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End
Figure 10-4 Replacing I/O Interface
Flow Diagrams for Troubleshooting |
