Events caused by the following failures of a system hardware component:

• CPU Module
• CPU System Board
• Memory
• I/O Board
• System Interface Board
• Backplane
• Power Subsystem
• Cooling Subsystem
• Cable
• Disk
• Tape
• Network Interface Card
• SAN or Storage Component

If you can locate the defective hardware component but it is not in the list above, use Unplanned - System Hardware Failure - Other.

If you cannot locate the defective hardware component but you are sure that a defective hardware component caused the event, use Unplanned - System Hardware Failure - Undefined.