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Determining whether main storage dump data
was written to disk ..........276
Reporting the error ..........276
Additional help ...........277
Performing an IOP storage dump to disk (Models
150, 170, 250, 4xx, 50x, 51x, 530, 53S, 6xx, 7xx, SB1,
S20, S30, and S40) ............277
Performing a service processor storage dump
(Models 270, 8xx, SB2, SB3, and 890) .....277
Copying the IOP storage dump to removable
media (All Models) ...........278
Copying the service processor storage dump to
removable media (Models 270, 8xx, SB2, SB3, and
890) ................278
Performing an IOP dump using hardware service
manager (All Models) ..........279
IOP dump information in the Product Activity Log
(All Models)..............279
Appendix A. OS/400 Operating System 281
DST in OS/400 full paging environment ....281
DST in OS/400 limited paging environment . . . 282
System Service Tools (SST) .........282
Accessing system service tools.......282
SSToptions.............283
Function keys (SST) ..........289
Online problem analysis and resolution ....290
Introduction .............290
System-detected problems ........290
Customer-detected problems .......292
Service support facility .........293
Displaying OS/400 PTFs .........293
OS/400 or LIC APAR information ......293
How to reset an I/O processor card while the
system is up and running .........295
Varying configuration descriptions on and off . . 295
Commonly used OS/400 service commands . . . 296
Work with System Value (WRKSYSVAL)
Command.............298
Service attributes (DSPSRVA or CHGSRVA)
commands .............299
Change Transmit Level (CHGXMTLVL)
command .............301
Work with Hardware Products (WRKHDWPRD)
Command.............302
Verify commands ............308
Commonly used verify commands .....308
Verify communications .........308
Communicationstests..........316
Wireless LAN adapter card indicators ....316
Communications interface trace ......316
Concurrent LPDA-2 tests ........317
Appendix B. Notices ........321
Trademarks..............322
Glossary of Terms and Abbreviations 325
Index ...............331
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Service Functions V5R2