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134 IBM ^ xSeries 440 Planning and Installation Guide
For information about the attributes, consult the online help. However, some
explanation is warranted here:
Current Speed, Max Slot Speed: As described in 1.8, “PCI subsystem” on
page 23, the adapters installed in this slot and other slots in the same bus
dictate the speed that the slot will run at. Consequently, the current speed of
the slot may not be the maximum possible speed. The “X” in the Current
Speed value indicates the slot is running in PCI-X mode (as opposed to
running in PCI mode).
Some RXE-100 slots may indicate “NS” for the slot speed (see Figure 5-6 on
page 136 for an example). NS stands for “not set”. These are even-numbered
slots when the odd-numbered slot in the pair is running at 133 MHz. This is
because if both slots in a pair are used, the maximum speed of both slots is
100 MHz.
PME Signal: PME (power management events) is a hardware signal that
some PCI slots can supply. Most PCI cards do not implement PME and the
x440 and RXE-100 slots do not support PME.
Bus Number: a system-assigned number for each bus. Useful for identifying
slots that are on the same bus, but the bus number does not correlate to the
slot numbers.
Low Profile: The slot
only supports cards that have a half-height end plate.
See the PCI Special Interest Group specifications of low-profile PCI adapters
at http://www.pcisig.com/data/specifications/lowp_ecn.pdf.
LED Status: Table 5-1 shows the possible LED status messages and their
meanings:
Table 5-1 LED status messages
Message Meaning Recommended Action
OK (no error) None of the other conditions exist. None
Hot eject successful Adapter removal completed without
error.
None
Bus speed mismatch A second adapter was hot-added
but its rated speed does not match
the current speed of the bus. The
new adapter is held inoperative.
Either:
Move one of the adapters to an empty
bus, or a bus with an adapter of the
same speed.
Reboot the server and the bus will
slow down so that both adapters can
operate.
Power fault on card in
slot
Adapter has short-circuit or other
problem preventing normal
operation.
Remove the adapter and have it repaired
or replaced.