IBM 7133 Series, Service Manual

Page: 86 / 230

| 1. Using the stand-alone diagnostic diskettes or the CD-ROM, start the using-system
| diagnostics. (See the Diagnostic Information for Micro Channel Bus Systems manual
| for instructions.)
The FUNCTION SELECTION menu is displayed.
2. Select DIAGNOSTIC ROUTINES
The DIAGNOSTIC MODE SELECTION menu is displayed.
3. Select SYSTEM VERIFICATION.
The DIAGNOSTIC SELECTION menu is displayed.
4. Select READ ANOTHER DIAGNOSTIC DISKETTE.
5. Insert the supplemental diskette into the diskette drive.
6. Press Enter.
The SSA extensions to the stand-alone diagnostics are installed and the SSA devices
configured.
7. Press the Cancel-function key to go to the DIAGNOSTIC OPERATING
INSTRUCTIONS menu.
Note: The identification of the Cancel-function key is displayed on the screen.
8. Press Enter to go to the FUNCTION SELECTION menu.
9. Select the function that you need (diagnostics or service aids).
Service Request Numbers (SRNs)
Service request numbers (SRNs) are generated for the 7133 by the system error-log
analysis, system configuration code, diagnostics, and customer problem-determination
procedures. SRNs help you to identify the cause of a problem, the failing field-replaceable
units (FRUs), and the service actions that might be needed to solve the problem.
The SRN Table
The table in this section lists the SRNs and describes the actions you should do. The
table columns are:
Abbreviations used in the table are:
SRN The service reference number.
FRU list
|
The FRU or FRUs that might be causing the problem (see also “FRU Names
|
Used in the SRN Table” on page 2-3), and how likely it is (by percentage) that
|
the FRU is causing the problem.
Problem A description of the problem and the action you must take.
DMA Direct memory access
FRU Field-replaceable unit
IOCC Input/output channel controller
PAA P = Adapter port number
AA = SSA address
(see also “Finding the Device When No Service Aids Are Available” on
page 1-58)
POS Programmable option select (POS registers)
POST Power-On Self-Test
2-2
7133 Service Guide