Table 50. IOP, IOA, and device address information for FC 5074 I/O Tower (continued)
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
D35 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x00500FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D36 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x10300FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D37 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x10400FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D38 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x10500FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D39 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x10600FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D40 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x10700FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D41 Optical The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x00600FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D42 Tape The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x00700FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D46 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal flat ribbon
cable.
x20300FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
Locations and Addresses
774
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1