Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Netra[tm] t 1400/1405 Servers: Repair Procedures

This section provides the most common repair procedures for the Netra t 1400/1405, which are included in the following manual:

Netra t 1400/1405 Service and System Reference Manual (806-0576)

The following table provides the page numbers for each procedure.

Component Tips
CPU Module
  • Tuning the ecache_scan_rate parameter of the Solaris cache scrubber provides improved Ecache parity error protection on non-mirrored SRAM UltraSPARC II-based systems (FIN I0755-1).
  • OS mapping versus physical location of CPU modules for E420R, E450, U80 and Netra t1400/t1405 systems may lead to incorrect module replacement (FIN I0749-1).
  • 440MHz and 450MHz UltraSPARC II Modules in Ultra 60/80, Enterprise 220R/420R and Netra t platforms may experience Red State Exception, Send Mondo Timeout and hard hangs (FCO A0208-3).
DC-to-DC Converter
  • Improper insertion of the DC-DC convertor module on certain systems may cause burned pins on the mother board connector (FIN I0642-1).
Disk Drive
  • Clustered Netra D130 array causes various SCSI errors under load if LVD SCSI Disk Drives are installed to replace failed single ended SCSI disk drives in a cross cabled configuration. (FIN I1144-1).
  • Improved firmware for Seagate 10K.6 disk drives will reduce the incidence of unexpected outages due to a spindle motor issue (FIN I1136-1).
  • 18.2GB and 36GB IBM disk drives may be susceptible to early life failures problem (FIN I0724-2).
Memory
  • Some Netra t 1400/1405 Servers are being shipped with 256MB Micron DIMMS (501-6718) installed (FIN I1074-1).
Memory Riser Card
  • System initialization failures are sometimes being diagnosed incorrectly due to an improperly installed Memory Riser card (FIN I0607-1).
  • Failure to properly assemble the Memory Riser to the correct torque setting can cause intermittent memory related system problems (FIN I0537-2).
PCI Card
  • Ultra 80 system board based systems may panic at boot time with certain PCI Bus configurations (FIN I0665-1).
System Board
  • Ultra 80 system board based systems may panic at boot time with certain PCI Bus configurations (FIN I0665-1).
  • Improper insertion of the DC-DC convertor module on certain systems may cause burned pins on the mother board connector (FIN I0642-1).
System Fan Assembly
  • System fans issues on Netra t 1400/1405 (LW3) may result in "low fan speed" alarms or other system errors (FCO A0235-1).

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