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
D21 Disk Unit The disk unit has the
same DSA as the IOA
attached to the
internal cable
labelled ″L-1″.
x20300FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D22 Disk Unit x20400FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D23 Disk Unit x20500FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D24 Disk Unit x20600FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
D25 Disk Unit x20700FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
Locations and Addresses
772
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1