8-8 Compaq AlphaServer ES40 Service Guide
8.1.3 Important Information Before Replacing FRUs
The system must be shut down before you replace most FRUs. The
exceptions are power supplies, individual fans, and hard drives. After
replacing FRUs you must clear the system error information repository
with the SRM clear_error all command.
Tools
You need the following tools to remove or replace FRUs.
•
Phillips #2 screwdriver (a magnetic screwdriver is recommended)
•
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
operating.
•
Power supplies
•
Individual fans
•
Hard drives (hot-swappable if supported by the operating system)