Table 52. IOP, IOA, and device address information for FC 5078/0578 PCI Expansion Unit
Position Possible Failing Item DSA (BBBBCcbb)
Note: IOA and
device DSA’s will not
follow the rules
below if the IOA is
manually reassigned
after IPL.
Unit Address
C01 IOP xxxx-10-00 FFFFFFFF
C02 Storage IOA xxxx-10-00 2FFFFFFF
Comm/Wkst IOA xxxx-10-00 E2FFFFFF
C03 IOP xxxx-14-00 FFFFFFFF
Storage IOA xxxx-10-00 4FFFFFFF
Comm/Wkst 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
Comm/Wkst IOA E6FFFFFF
C05 (IXS capable
position)
IOP yyyy-10-00 FFFFFFFF
C06 (empty if IXS in
C05)
Storage IOA yyyy-10-00 2FFFFFFF
Comm/Wkst IOA yyyy-10-00 E2FFFFFF
C07 IOP yyyy-13-00 FFFFFFFF
Storage IOA yyyy-10-00 3FFFFFFF
Comm/Wkst IOA yyyy-10-00 E3FFFFFF
IXS attached IOA yyyy-10-00 E003FFFF
C09 IOP yyyy-14-00 FFFFFFFF
Storage IOA yyyy-10-00 4FFFFFFF
Comm/Wkst IOA yyyy-10-00 E4FFFFFF
IXS attached IOA yyyy-10-00 E004FFFF
C10 Storage IOA The IOA has the
same DSA as the first
IOP found in the
following list: C09,
C07, C05.
6FFFFFFF
Comm/Wkst IOA E6FFFFFF
IXS attached IOA E006FFFF
C11 (IXS capable
position)
IOP yyyy-20-00 FFFFFFFF
C12 (empty if IXS in
C11)
Storage IOA yyyy-20-00 2FFFFFFF
Comm/Wkst IOA yyyy-20-00 E2FFFFFF
C13 IOP yyyy-23-00 FFFFFFFF
Storage IOA yyyy-20-00 3FFFFFFF
Comm/Wkst IOA yyyy-20-00 E3FFFFFF
IXS attached IOA yyyy-20-00 E003FFFF
Locations and Addresses
Chapter 5. Locations, Addresses, and Part Listings 777