I/O expansion units
Find information about the Peripheral Component Interconnect (PCI), PCI-X, and PCI Express (PCIe)
adapters supported in the I/O expansion units that are supported for the IBM Power Systems
™
servers
that contain the POWER7 processor.
PCI slot priorities for the 5796 expansion unit
Find information about the Peripheral Component Interconnect (PCI) slots in the 5796 expansion unit.
System description
The 5796 expansion unit is a 19-inch, rack-mountable, I/O expansion drawer that is designed to be
attached to the system unit by using the 12X channel bus and 12X cables.
The 5796 can accommodate six generation-3 blind-swap adapter cassettes. Cassettes can be installed and
removed without removing the drawer from the rack.
Figure 5 shows the rear view of the expansion unit.
Table 9. Location code descriptions
Location code
Description
C1, C2, C3, C4, C5, and C6
PCI-X DDR slots. See also “PCI slot descriptions” on
page 51.
C7-T1 and C7-T2
12X Channel remote I/O ports.
C8-T1 and C8-T2
Dual port system power control network (SPCN)
connectors.
E1 and E2
Power supply connectors.
Figure 5. Rear view
50
Power Systems: PCI adapter placement for the IBM Power 720 Express or IBM Power 740 Express