IBM 88553RX, Installation Manual

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62
IBM
Eserver
xSeries 455 Planning and Installation Guide
Table 3-5 summarizes the supported adapter speeds. Take into account the
speed reductions when there are two adapters installed in a bus, as described
above.
Table 3-5 Supported adapter speeds in each slot
The physical location of these slots in the server is shown in Figure 3-3 on
page 63.
Important: A PCI-X and a PCI adapter can be installed in slots on the same
bus. However, those 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.
Slot Bus Width (bits) Supported adapter speed (MHz)
1 A 32 or 64 33 or 66
2 A 32 or 64 33 or 66
3 B 32 or 64 33, 66, or 100 (133 as long as no adapter is in slot 4)
4 B 32 or 64 33, 66, or 100 (133 as long as no adapter is in slot 3)
5 C 32 or 64 33, 66, 100 or 133
6 D 32 or 64 33, 66, 100 or 133