4-6 SPARCstation 5 Service Manual—November 1996
4
4.2.2.1 Caps Lock Key Fails to Flash On and Off During POST
1. Remove optional SBus cards and DSIMMs.
Leave one DSIMM in Slot 0 (J0300).
2. Run POST again before replacing the system board.
Remove all other parts to eliminate the possibility that those parts could be
causing the POST failure.
4.3 Disk Drive Errors
Table 4-3 presents disk drive error conditions and corrective actions.
Table 4-3 Troubleshooting Disk Drive Errors
Symptom Corrective Action
Read, write, or parity error
reported by the operating
system or applications.
Replace the disk drive indicated by the failure
message. Solaris 1.x operating systems identify
the disk drive installed in the lower bay (SCSI
target ID 3) as sd0 and the disk drive installed
in the upper bay (SCSI target ID 1) as sd1. With
Solaris 2.x operating systems, the two drives are
identified as c0t3d0 and c0t1d0, respectively.
Drive fails to boot or does not
respond to commands.
SCSI controller may be defective. See Section 4.3.1,
“Verifying the Built-In SCSI Controller.” Verify
that each SCSI device is assigned a unique SCSI
target address. See Appendix C, “SCSI Targeting,”
for important additional information.
Slow disk drive response. If many SCSI devices are connected to the same
SCSI bus and if some of these devices, such as the
1.05-Gbyte disk drive, are “fast SCSI” devices, you
may want to install an FSBE/S SCSI host adapter
card to the “fast SCSI” devices and put these “fast
SCSI” devices on a separate SCSI bus to speed up
disk drive response.
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