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

 

 

 

LED code identifies a

 

 

 

specific board or I/O

 

 

 

problem

 

 

 

 

Locate indicated board.

 

 

 

 

 

 

Check LEDs on board to verify ASR

LED code must be Off-On-Off. See

 

 

has deactivated the board.

Table 9-2.

 

 

Replace the board or device.

 

 

 

Board is not active until system is

See Section 3.3, “Hot-Plug Feature.”

 

Board not identified or

booted.

 

 

intermittent problem

 

 

 

 

Check /var/adm/messages

Refer to SunVTS User’s Guide.

 

 

 

 

Run SunVTS to test suspected

 

 

 

boards, CPUs, SIMMs, power

 

 

 

supplies, other devices.

 

 

 

Check I/O cable connections.

 

 

 

Locate defective SCSI device with

 

 

 

probe-scsi-all (OpenBoot

 

 

 

command)

See Figure 10-6.

 

 

Check related modular power

 

 

 

supply.

 

 

 

 

 

End

Figure 10-4Replacing I/O Interface

Flow Diagrams for Troubleshooting

10-5

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Image 179
Sun Microsystems 6.0005E+11 manual Defective I/O Interface Board, Interface boards are hot-pluggable in many instances