Position Possible failing item DSA (BBBBCcbb) Unit address
D06, D12 Disk unit xy0F00FF (where x is the
same as the first character
of the xFFFFFFF IOA Unit
Address and y is I/O bus 0,
1, 2, or 3. Storage IOA
buses begin with 0 and are
numbered from the tailstock
toward the middle of the
card. Find the storage IOA
with the same DSA and
xFFFFFFF address, then
trace the I/O bus cable to
determine if the position is
D06 or D12.)
Addresses — FC 5294 Expansion I/O Tower
For use by authorized service providers.
For address information for FC 5294-001 (bottom) and FC 5294-002 (top): Refer to Addresses — FC
5094 Base I/O Tower.
Locations - FC 8079 Expansion I/O Tower
For use by authorized service providers.
v Service the FC 8079-001 in the bottom of the rack as an FC 9079. See Addresses — Models 840, SB3
Processor Tower and FC 9079 Base I/O Tower.
v Service the FC 8079-002 in the top of the rack as an FC 5074. See Addresses — FC 5074 Expansion
I/O Tower.
Addresses — FC 8093 Expansion I/O Tower
For use by authorized service providers.
Refer to the following for address information:
v For FC 8093-001 (bottom): Follow the FC 9094 link in Addresses — Models 870 and 890 with an FC
9094 Base I/O Tower.
v For FC 8093-002 (top): Refer to Addresses — FC 5074 Expansion I/O Tower.
Addresses — FC 8094 Expansion I/O Tower
For use by authorized service providers.
Refer to the following for address information:
v For FC 8094-001 (bottom): Follow the FC 9094 link in Addresses — Models 870 and 890 with an FC
9094 Base I/O Tower.
v For FC 8094-002 (top): Refer to Addresses — FC 5094 Expansion I/O Tower.
Addresses — for External xSeries Server, iSeries Adapter — Machine Type 1519
For use by authorized service providers.
Table 1. IOP and IOA address information for External xSeries Server, iSeries Adapter — Machine
Type 1519
Position Possible failing component DSA Unit address
SE1 2689 Integrated xSeries Adapter (IOP) xxxx-10-00 FFFFFFFF
SE1 2689 Integrated xSeries Adapter (IOA) xxxx-10-00 E0FFFFFF
Analyze hardware problems 363