IBM 81Y Computer Hardware User Manual


 
Symptom-to-FRU index 169
DASD checkout
Host Built-In Self Test (BIST) checkout
I2C bus fault messages
System shutoff due to high ambient
temperature (level-critical; high ambient
temperature)
1. Ambient temperature must be within
normal operating specifications (see
“Features and specifications” on page
3.
System shutoff due to system board under
temperature (level-critical; system board is
under temperature)
1. Ambient temperature must be within
normal operating specifications (see
“Features and specifications” on page
3.
Message Action
Hard drive (SCSI ID "X") removal detected
(level-critical; hard drive "X" has been
removed)
1. Information only, take action as
appropriate.
Hard drive (SCSI ID "X") fault 1. Replace hard drive (SCSI ID "X").
Message Action
Host BIST fail (level-informational; host’s
built-in self test failed)
1. Reseat CPU
2. Reseat VRM
3. Replace CPU
Message Action
Failure reading I2C device. Check devices
on bus 0.
1. Replace I/O Legacy Board
Failure reading I2C device. Check devices
on bus 1.
1. Reseat I/O Legacy Board
2. Reseat power supplies
3. Replace power supply
4. Replace Power Backplane
5. Replace I/O Legacy Board
Message Action