Position Possible Failing Item DSA (BBBBCcbb) Unit Address
D02 Disk unit xxxx-10-00 1z0200FF (where z is 0, 1
or 2)
D03 Disk unit xxxx-10-00 1z0300FF (where z is 0, 1
or 2)
D04 Disk unit xxxx-10-00 1z0400FF (where z is 0, 1
or 2)
D05 Disk unit xxxx-10-00 1z0E00FF (where z is 0, 1
or 2)
D06 Disk unit xxxx-10-00 1z0F00FF (where z is 0, 1
or 2)
Addresses — FC 5078, FC 0578 Expansion I/O Unit
For use by authorized service providers.
Use the address to find the location. Then go to “Locations — FC 5078, 0578 Expansion I/O Unit” on page
301 to find additional information.
Table 1. IOP, IOA, and device address information for FC 5078, FC 0578 Expansion I/O Unit
Position Possible Failing Item DSA (BBBBCcbb) Unit Address
Note: IOA and device
DSA’s will not follow the
rules below if the IOA is
manually reassigned after
IPL.
C01 IOP xxxx-10-00 FFFFFFFF
C02 Storage IOA xxxx-10-00 2FFFFFFF
C02 Communication, workstation
IOA
xxxx-10-00 E2FFFFFF
C03 IOP xxxx-14-00 FFFFFFFF
C03 Storage IOA xxxx-10-00 4FFFFFFF
C03 Communication, workstation
IOA
xxxx-10-00 E4FFFFFF
C04 Storage IOA The IOA has the same DSA
as the first IOP found in the
following list: C03, C01.
6FFFFFFF
C04 Communication, workstation
IOA
The IOA has the same DSA
as the first IOP found in the
following list: C03, C01.
E6FFFFFF
C05 (IXS capable position) IOP yyyy-10-00 FFFFFFFF
C06 (empty if IXS in C05) Storage IOA yyyy-10-00 2FFFFFFF
C06 (empty if IXS in C05) Communication, workstation
IOA
yyyy-10-00 E2FFFFFF
C07 IOP yyyy-13-00 FFFFFFFF
C07 Storage IOA yyyy-10-00 3FFFFFFF
C07 Communication, workstation
IOA
yyyy-10-00 E3FFFFFF
C07 IXS attached IOA yyyy-10-00 E003FFFF
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