IBM i 830 Repair Manual page 778

Locations and Addresses
764
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
Table 49. IOP, IOA, and device address information for FC 9079 Base I/O Tower (On
Position Possible Failing
Component
D21 Disk Unit
D22 Disk Unit
D23 Disk Unit
D24 Disk Unit
D25 Disk Unit
Models 840, SB3) (continued)
DSA (BBBBCcbb)
Note: IOA and
device DSA's will not
follow the rules
below if the IOA is
manually reassigned
after IPL.
The disk unit has the
same DSA as the IOA
attached to the
internal cable
labelled "L-1".
Unit Address
x20300FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x20400FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x20500FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x20600FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x20700FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)