Hot-Pluggable Frus - IBM RS/6000 Enterprise Server M80 Service Manual

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 Some 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.
LED
PCI
Slot
LED Indication
Off
On (not flashing)
Flashing slowly (one flash per
second)
Flashing rapidly (six to eight flashes
per second)
416
Service Guide
1 2 3 4 5 6 7
PCI Slot Status
Off
On
Identify
Action
9 10 11 12 13 14
8
P1
Definition
Slot power is off. It is safe to remove
or replace an adapter.
Slot power is on. Do not remove or
replace an adapter.
Slot has been identified by the
software. Do not remove or replace
an adapter at this time.
Slot is ready for removal or
replacement of an adapter.