Hot-Pluggable FRUs
Note: You do not have to power off the system to remove a hot-pluggable FRU from
the CEC drawer or from I/O drawers.
The following FRUs are hot-pluggable:
v Hot-pluggable PCI adapters of an I/O drawer
v Power supplies in an I/O drawer or CEC drawer (if the drawer has two power
supplies and only one needs to be removed)
v Rear fans on the CEC drawers
I/O Drawer PCI Slot LED Definitions
The following table describes the possible states of the LEDs associated with the I/O
drawer PCI slots. These LEDs are located at the rear of the I/O drawer. One LED is
associated with each PCI slot.
1
2
3
4
56 14
1312
11
10
9
8
7
P1
LED
PCI
Slot
LED Indication PCI Slot Status Definition
Off Off Slot power is off. It is safe to
remove or replace an adapter.
On (not flashing) On Slot power is on. Do not
remove or replace an adapter.
Flashing slowly (one flash per
second)
Identify Indicates slot has been
identified by the software. Do
not remove or replace an
adapter at this time.
Flashing fast (six to eight
flashes per second)
Action Indicates slot is ready for
removal or replacement of an
adapter.
430 Service Guide
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