Table 2. Recommended tools and optional tools
Recommended tools
● Key to the system keylock
● #1 and #2 Phillips screwdriver
● T30 and T8 Torx screwdrivers
● Wrist-grounding strap connected to the ground
● ESD Mat
Need to know
Before you begin servicing the system, you must read the following information:
● Critical callouts
● Common error codes
● Version control for BIOS/ Firmware/ Software
● Startup/Shutdown sequence
Common error messages
The Event Message Reference contains the error and event information generated by firmware and other agents that monitor
system components. These events might be logged, presented to the user on one of the system management consoles, or both
logged and displayed.
Each event consists of the following fields:
Table 3. Common error messages
Event Message Fields
Item
Message ID
Optional tools
● Needle-nose pliers to disconnect cables and connectors in
hard-to-reach locations
● Small flat-head screwdriver to disconnect small cables
from boards
Description
The unique alphanumeric identifier for the event. This identifier can be up
to eight characters long and consist of two parts:
● Message ID Prefix — Up to four alphabetic characters.
● Message ID Sequence — Up to four numeric digits.
Disassembly and reassembly
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