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Control Button Functions
Item
Description
Power/
Toggles the system power on/off. Sleep button for
Sleep
ACPI-compatible operating systems.
button
Reset
Reboots and initializes the system.
button
ID button
Toggles the front panel ID LED and the baseboard ID LED on
and off. The baseboard LED is visible from the rear of the
chassis and allows you to locate the server from the rear of a
rack of systems.
NMI button
Puts the server in a halt-state for diagnostic purposes.
LED Indicator Status
Item
Description
NIC 1
Continuous green light indicates a link between the system
activity LED
and the network to which it is connected.
NIC 2
Blinking green light indicates network activity.
activity LED
Power/
Continuous green light indicates the system has power
Sleep LED
applied to it.
Blinking green indicates the system is in S1 sleep state (see
Note )
No light indicates the power is off / is in ACPI S4 or S5 state.
Hard disk
Random blinking green light indicates hard disk drive activity
drive
(SCSI or SATA).
status LED
No light indicates no hard disk drive activity.
System
Solid green indicates normal operation
Status LED
Blinking green indicates degraded performance
Solid amber indicates a critical or non-recoverable condition
Blinking amber indicates a non-critical condition
No light indicates POST is running or the system is off (see
Note 1)
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