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When installing a 133 MHz PCI-X adapter, it must be installed in the first or
odd-numbered slot in the bus (that is in slots 1, 3 or 5).
Like the x450, a PCI-X and a PCI adapter can be installed in slots on the
same bus in the RXE-100. However, these two adapters will both operate in
PCI mode.
In addition, if you have a PCI-X adapter installed, you cannot hot-add a PCI
adapter to the same bus. This is because with just the PCI-X adapter
installed, the bus is running in PCI-X mode, and you cannot hot-add a PCI
adapter into a bus that is in PCI-X mode.
Connecting the RXE-100
There are two types of cables used to connect the RXE-100 to the x450:
Remote I/O cable, for data. Two lengths are available:
– 3.5 m Remote I/O cable kit (part number 31P6102), like the one shipped
with the RXE-100
– 8 m Remote I/O cable kit (part number 31P6103)
Interconnect management cable, for remote I/O management. This is a
standard Ethernet cable. The RXE-100 ships with a 3.5 m cable.
Two lengths are available:
– 3.5 m interconnect management cable kit (part number 31P6087)
– 8 m interconnect management cable kit (part number 31P6088)
Use the 8 m versions of each of these cables if the distances between the two
devices warrant the extra length (for example, in separate racks).
When the RXE-100 has only six PCI-X slots installed, connect a single
Remote I/O cable and a single management cable, as shown in Figure 3-7 on
page 54.
Important: Power to the RXE-100 is controlled by the x450 via the
interconnect management cable and under the control of the Remote
Supervisor Adapter.
53
Chapter 3. Planning
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