IBM iSeries 270 Service Manual page 77
Sb2 and sb3 hardware
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Also See for iSeries 270:
- User manual (212 pages) ,
- Hardware problem analysis and isolation (512 pages) ,
- Analyze hardware problems (system reference codes (306 pages)
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7. Remove the control panel from the frame.
8. Loosen the two screws that retain the processor capacity card retention (back) cover and remove the
cover.
9. If you are replacing the panel, then you must move the processor capacity card and interactive card
to the new panel.
Important: Mark the processor capacity card and interactive cards as to their positions and
orientation, then remove the cards. See Control panel assembly - Models 830 and SB2 with FC 9074.
10. Install the processor capacity card and Interactive cards into the new panel and replace the retention
cover.
11. Remove the plastic tab on the front of the control panel that has the machine type and serial number.
The tab should then be installed onto the new control panel.
12. Reverse the above procedure to install the panel.
Note: When a control panel with keystick is replaced, discard the new keysticks that come with the
panel and reuse the original keysticks.
13. If you are here to replace the processor capacity card or interactive card, then replace only that card
and not the panel.
Are you replacing the processor capacity card?
v Yes: Continue with the next step.
v No: If you are replacing the interactive card, continue with step 18 (See page 66).
14. If you are here to replace a processor capacity card that was associated with processor-on-demand
(POD) processor features, perform the following:
a. Contact your second level of support to determine if a POD activation code is required to reset
previously activated on-demand processors.
b. If necessary, a new POD activation code will need to be generated and then entered at the
server.
c. After entering a POD activation code, 30 minutes should elapse before an IPL is performed to
ensure the POD activation code has been saved.
Note: DST/SST options to activate POD will not be visible if the system password has been
bypassed.
15. Does the system that you are working on have a keystick lock?
v Yes: Continue with the next step.
v No: Go to step 18 (See page 66).
16. Do you have the original system unit keys and are you reusing them?
v No: Continue with the next step.
v Yes: Go to step 18 (See page 66).
17. Perform the following:
Figure 1. System unit control panel with keystick (NB1)
Analyze hardware problems
65
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