7 dealing with power failures – IBM RS/6000 User Manual
Page 210
Figure 55. Operator Panel
An explanation of the LEDs on the front panel of the F30 is given in Table 35.
Table 35. LED Functions
LED
Status
Definition
Power Good
On
System power is On
Off
System power is Off
Power Enabled
On
System power is On
Off
Power not connected to system
Blinks slowly
Power is connected to system
Blinks rapidly
AIX memory dump has been initiated by
start/stop method
OK
On
System electronics are not reporting
errors
Off
System electronic failures are detected
Disk Drive Activity
On
Disk drive active. Also used for POST
error indications in conjunction with
speaker beep and diskette LED
Disk Drive Error
Not used by base system, available for
disk drive applications to report errors
Processor Error
On
System experienced (1) heartbeat
detection lapse, (2) Early Power-Off
Warning (EPOW) condition (fans,
temperature, voltage)
10.6.7 Dealing With Power Failures
If either the E20 or F30 experience a power failure, after the power is restored, they
will not automatically power back up again. Both of the machines will go into
"Standby mode". To boot a machine after a power outage, you will have to press
the button on the front of the system. This could cause problems if the server was
in a remote location. If it is critical that the machine is available after a power loss,
186
Introduction to PCI-Based RS/6000 Servers