Silicon Graphics UV 20 System User's Manual page 31

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Table 3-1 Control Panel Components and Functions (continued)
Label Button/LED
System Status
F
LED
System Power
G
Button with LED
H Hard Drive
Activity LED
I
Color Condition Function
On System ready/No alarm.
Blink System ready, but degraded:
– Redundancy lost such as the power supply or fan
Green
failure.
– Non-critical temp/voltage threshold.
– Battery failure.
– Predictive power supply failure.
On Critical Alarm: critical power modules failure,
critical fans failure, voltage (power supply), critical
temperature and voltage
Blink Non-Critical Alarm: Redundant fan failure,
Amber redundant power module failure, non-critical
temperature and voltage
Off – Power off: System unplugged.
– Power on: System powered off and in standby, no
prior degraded\non-critical\critical state.
On Power On/ACPI S0 state
Green Blink Sleep/ACPI S1 state
Off Power Off/ACPI S5 state
When lit, indicates drive activity from the on-board
HDD controllers.
Not used.
Front Panel Controls and LEDs
17