Assembly 4: Models 830 and SB2 with FC 9074 –
Control Panel Assembly ..........824
Assembly 5: Models 840 and SB3 Processor Tower
– Cover Assembly ............826
Assembly 6: Models 840 and SB3 Processor Tower–
Final Assembly, Front ..........828
Assembly 7: Models 840 and SB3 Processor Tower
– Final Assembly, Rear ..........832
Assembly 8: Models 840 and SB3 – Control Panel,
Processor Tower ............838
Assembly 9: FC 9079 Tower (Models 840 and SB3)
– Cover Assembly ............840
Assembly 10: FC 9079 Tower (Models 840 and SB3)
– Final Assembly ............842
Assembly 11: Cover Assembly — FC 5074 ....852
Assembly 12: Final Assembly — FC 5074 ....854
Assembly 13: Cover Assembly – FC 5075 ....864
Assembly 14: Final Assembly – FC 5075 ....866
Assembly 15: Cover Assembly — FC 5078 ....870
Assembly 16: Final Assembly – FC 5078/0578 . . 872
Assembly 17: Cover and Hardware Assembly For
— FC 5079, FC 8079, FC 0550, FC 0551, 0578 . . . 876
Assembly 18: Power Distribution Unit (PDU)
Assembly For — FC 5079, FC 8079, FC 0550, FC
0551, 0578 ..............878
Cables and Miscellaneous .........879
ExternalCables............879
Assembly 19: External Cables ........880
InternalCables............882
Miscellaneous ............882
Assembly 20: Miscellaneous ........884
Type, Model, and Part Number list ......885
Model 830/SB2 – Processor Feature Codes and
CCINs...............890
Power Cord Part Numbers and Receptacle
Descriptions ..............891
Chapter 6. Data Recovery Procedures
and General System Information . . . 893
RecoveryProcedures...........893
Disk Service Support ..........893
StartDiskServiceHere.........894
Exchanging a Disk Unit with Device Parity
Protection .............896
Exchanging a Disk Unit with Mirrored
Protection .............897
Resuming Mirrored Protection.......902
Disk Unit Data Save and Initialize .....903
Disk Unit Initialize and Disk to Disk Copy . . 912
DSTProcedures ...........917
Verifying the Repair ...........920
Verify Dedicated Repair. .........920
Verify Concurrent Repair ........921
Powering On and Powering Off the System and
Logical Partitions ............922
Powering On the System ........922
Powering Off the System ........923
Expansion Tower and SPCN Controlled Expansion
UnitPowerProcedure..........926
StorageI/Ocardmodesandjumpers.....934
Setting or changing the mode of an I/O card 934
Mode jumper has been overridden .....935
Mode jumper is missing .........936
SRC Address Formats ..........936
HardwareSRCFormats.........940
Important Cryptographic I/O Processor
Information..............942
Determining if the System Has Logical Partitions 943
Determining if the System Has Guest Partitions 943
Determining the Release Level of a Guest Partition 943
Determining the Hosting Partition of a Guest
Partition ...............944
Determining the Load Source Disk and Alternate
IPLDevice..............944
Introduction .............944
Finding the Load-Source Disk on Systems
without Mirrored Protection .......944
What You Should Know about Load Source
Disks on Systems with Mirrored Protection . . 944
Finding the Load Source Disks on Systems with
Mirrored Protection ..........945
Alternate IPL Device ..........945
Reclaim IOP Cache Storage.........947
Part 3. Appendixes ........949
Appendix A. Problem Summary Form 951
Appendix B. Preventive Maintenance
(PM)...............953
Appendix C. Working with
Electrostatic Discharge-Sensitive
Parts ...............955
Appendix D. System Safety Inspection 957
Introduction ..............957
Covers – AllModels...........957
AC Power Cord(s) – AllModels.......957
AC Safety Grounds ...........958
Safety Labels .............958
Power Off and On (System Unit) – All Models . . 958
Internal Mechanical Inspection .......958
Appendix E. Service Log ......961
Appendix F. HSL Loop Configuration
and Status Form ..........963
Appendix G. HSL Link Status
Diagnosis Form ..........967
Appendix H. Installed Features in a
PCI Bridge Set Form ........969
Appendix I. HSL Cable Location Form 971
Part Number Index .........973
Contents vii
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