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8.1.3
Important Information Before Replacing FRUs
The system must be shut down before you replace most FRUs. The ex-
ceptions are power supplies, individual fans, universal hard drives,
and PCI cards in slots 4 – 10 (when the operating system supports this
function). After replacing FRUs you must clear the system error in-
formation repository with the SRM clear_error all command.
Tools
You need the following tools to remove or replace FRUs.
•
Phillips #1 (10-inches) and #2 screwdrivers (magnetic screwdrivers are rec-
ommended)
•
Allen wrench (3 mm)
•
Anti-static wrist strap
Hot-Plug FRUs
The following are hot-plug FRUs. You can replace them while the system is op-
erating.
•
Power supplies
•
Individual fans
FRU Removal and Replacement
8-9
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Troubleshooting
