2. In the FC 5095, FC 0595 Expansion I/O Tower FRU locations and failing components table, the first of
the two busses in the tower is designated as ″xxxx″ and the second bus in the tower is designated as
″yyyy″.
3. In FC 5095, FC 0595 Expansion I/O Tower, the two bus numbers assigned to the busses are not
required to be in any order.
4. Card positions C01 and C06 are required to be either I/O processors or Integrated xSeries Servers
(IXS).
5. J11 is an RPO connection, J14 is a uninterruptable power supply connector, J15 is an SPCN 1
connector, and J16 is an SPCN 2 connector.
6. Multi-adapter bridge domains are labeled PCI Bridge Set inside the tower.
7. The following table provides information necessary to identify the IOP to which IOAs are assigned.
v The left column indicates the domain in which IOA assignment is allowed.
v The right column is used to determine the IOP to which an IOA is assigned.
v The first position in the list must be an IOP. The remaining positions may be IOPs or IOAs. IOAs are
assigned to the first IOP located to their left in the list. Although IOAs can be manually reassigned
using SST/DST, the IOA assignments return to the default order after each IPL.
Table 2. Identify the IOP to which IOAs are assigned
Multi-adapter bridge domain / PCI bridge set IOA assignment rules
C01 - C04 C01, C02, C03, C04
C06 - C08 C06, C07, C08
Locations — FC 5294 Expansion I/O Tower
For use by authorized service providers.
For location information for FC 5294-001 (bottom) and FC 5294-002 (top): Refer to Locations — FC 5094
Base I/O Tower.
Locations — FC 8079 Expansion /O Tower
For use by authorized service providers.
The following diagrams show FRU layout in the FC 8079 Expansion I/O Tower.
Figure 1. Locations for FC 8079 Expansion I/O Tower (single line cord)
Analyze hardware problems 315
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