Locations and Addresses
Addresses — Models 840, SB3 Processor Tower and FC 9079
Base I/O Tower
Use the address to find the location. Then go to Table 42 on page 720 to find
additional information.
758
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
Table 48. IOP, IOA, and device address information for Models 830, SB2 System Unit with
Position
Possible Failing
D50
Table 49. IOP, IOA, and device address information for FC 9079 Base I/O Tower (On
Position
Possible Failing
CB1
Service Processor
C01
C02
Comm/Wkst IOA
C03
C04
Comm/Wrkst IOA
C05 (IXS capable
position)
C06 (empty if IXS in
C05)
Comm/Wrkst IOA
C07
Comm/Wrkst IOA
IXS attached IOA
C09
Comm/Wrkst IOA
IXS attached IOA
FC 9074 Base I/O Tower (continued)
DSA (BBBBCcbb)
Component
Note: IOA and
device DSA's will not
follow the rules
below if the IOA is
manually reassigned
after IPL.
Disk Unit
0001-10-00
Models 840, SB3)
DSA (BBBBCcbb)
Note: IOA and
Component
device DSA's will not
follow the rules
below if the IOA is
manually reassigned
after IPL.
0001-70-00
IOP
0001-10-00
0001-10-00
Storage IOA
0001-10-00
Storage IOA
The IOA has the
same DSA as the first
IOP found in the
following list: C03,
IOP
yyyy-10-00
Storage IOA
yyyy-10-00
yyyy-10-00
IOP
yyyy-13-00
Storage IOA
yyyy-10-00
yyyy-10-00
yyyy-10-00
IOP
yyyy-14-00
Storage IOA
yyyy-10-00
yyyy-10-00
yyyy-10-00
Unit Address
420700FF
Unit Address
FFFFFFFF
FFFFFFFF
E2FFFFFF
4FFFFFFF
6FFFFFFF
E6FFFFFF
C01.
FFFFFFFF
2FFFFFFF
E2FFFFFF
FFFFFFFF
3FFFFFFF
E3FFFFFF
E003FFFF
FFFFFFFF
4FFFFFFF
E4FFFFFF
E004FFFF