Dasd Checkout; Host Built-In Self Test (Bist); Bus Fault Messages; System Reliability Considerations - IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Message
System shutoff due to CPU x under
temperature (level-critical; CPU x is under
temperature)
System shutoff due to DASD temperature
(sensor x) (level-critical; DASD area
reported temperature outside recommended
operating range)
System shutoff due to high ambient
temperature
(level-critical; high ambient temperature)
System shutoff due to system board
under temperature
(level-critical; system board is under
temperature)

DASD checkout

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Message
Hard drive x removal detected
(level-critical; hard drive x has been
removed)

Host built-in self test (BIST)

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Message
Host fail
(level-informational; built-in self-test for the
host failed)

Bus fault messages

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Bus fault messages
Failure reading 12C device.
Check devices on bus 0.
Action
Ambient temperature must be within normal operating specifications;
see "Features and specifications" on page 3
Ensure that the system is being properly cooled; see "System
reliability considerations" on page 33
Ambient temperature must be within normal operating specifications;
see "Features and specifications" on page 3
Ambient temperature must be within normal operating specifications;
see "Features and specifications" on page 3
Action
Information only; take action as appropriate.
Action
1. Reseat the microprocessor.
2. Replace the microprocessor.
Message Action
1. If installed, reseat the I2C cable between Remote Supervisor
Adapter (in PCI slot 1/J14) and the Remote Supervisor Adapter
connector on the system board.
2. Memory DIMMs.
3. System board.
Chapter 6. Symptom-to-FRU index
117