Serviceability and Usability
SPSH4 Server System External Product Specification
Revision
1.11
98
11. Serviceability and Usability
11.1 Mean Time to Repair
The system is designed to be serviced by qualified technical personnel only.
The desired mean time to repair (MTTR) of the system is 30 minutes including diagnosis of the
system problem. To meet this goal, the system enclosure and hardware have been designed to
minimize the MTTR.
Following are the maximum times that a trained field service technician should take to perform
the listed system maintenance procedures, after diagnosis of the system.
System Component
Total Time
Remove
Replace/Add
Front Cover
1
0.5
0.5
Rear Cover
1
0.5
0.5
Power supply
2
1
1
Hot Swap PCI-X Card
2
1
1
Non-Hot Swap PCI Card
3
1
2
Disk Drive 1
4 1
3
HPIB Board
4
1
3
Hot Swap Fan 2
4 2
2
Memory DIMM 3
4 2
2
Fan PDB
5
2
3
ICMB 5
2
3
CD-ROM 8
4
4
Memory Board
8
4
4
SCSI Drive Bay Fan
9
3
6
Front Panel Board
9
4
5
Floppy 9
4
5
Processor 4
10 5 5
SCSI Drive Bay
15
6
9
SCSI Backplane
15
6
9
SCSI SAF-TE Board
15
6
9
BaseBoard 16
6
10
Processor Board 5
20 9 11
Power Distribution Board
30
10
20
Notes:
1.
Assumes removal is time required to remove SCSI HDD from System. Replacement time includes time to
remove the HDD from the drive carrier and replace with new HDD before reinserting HDD in SCSI Bay.
2.
Assumes single fan is removed and replaced in system.
3.
Memory DIMM replacement assumes a single DIMM is replaced. Memory DIMM addition assumes four new
DIMMs were added to the Memory Board and no DIMMs were removed. This would add an additional
minute to the total time.
4.
Assumes CPU Board is populated with a single processor and heatsink. If populated with additional
processors total time is increased by 4.75 minutes per processor.
5.
Assumes single processor is removed.
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