IBM i 830 Repair Manual page 777

Table 49. IOP, IOA, and device address information for FC 9079 Base I/O Tower (On
Position Possible Failing
Component
D16 Disk Unit
D17 Disk Unit
D18 Disk Unit
D19 Disk Unit
D20 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 "R-2".
Chapter 5. Locations, Addresses, and Part Listings
Locations and Addresses
Unit Address
x10300FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x10400FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x10500FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x10600FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
x10700FF (where x is
the same as the first
character of the
xFFFFFFF IOA Unit
Address)
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