Table 1. Storage device I/O card FRU locations
FRU description Location procedure
Diskette adapter (type 6146
or type 6147)
Use the location information in the service action log if it is available. If the location is
not available, find the address. See SRC address formats. Use the address to find
the location. See Locations and addresses.
Terminating plug See symbolic FRU “DEVTERM” on page 325 for more information.
Also, see Locations and addresses.
Service processor PIPs
For use by authorized service providers.
Use this section to isolate a failure that has been detected by the service processor. This section covers
the following items:
v Bus unit
v Magnetic storage I/O processor card
v Service processor card or a card in the wrong slot
v Match problems between the hardware and software
v Information needed to perform a removable media or a disk IPL from the control panel
Read all safety procedures before servicing the system. Observe all safety procedures when performing a
procedure. Unless instructed otherwise, always power off the system or expansion tower where the FRU is
located. See Power on/off the system and logical partitions before removing, exchanging, or installing a
field-replaceable unit (FRU).
DANGER
To prevent a possible electrical shock from touching two surfaces with different electrical grounds, use one
hand, when possible, to connect or disconnect signal cables. (RSFTD004)
DANGER
To prevent a possible electrical shock during an electrical storm, do not connect or disconnect cables or
station protectors for communications lines, display stations, printers, or telephones. (RSFTD003)
DANGER
To prevent power from switching on automatically during service procedures, select manual or secure mode
on the system unit control panel or disconnect the cables that connect to J15 and J16 on the frame being
serviced. (RSFTD211)
Attention: When removing or installing the service processor card, failure to follow the procedures in
Remove and replace procedures may damage the card, the card enclosure, or both.
Read and understand the following service procedures before using this section:
v Power on/off the system and logical partitions
v The card procedure in the Remove and replace procedures
v System unit backplane remove and replace information, including:
– Models 270, 800, and 810 - System unit backplane (MB1)
Analyze hardware problems 213
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