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Disk Drive and Fan Tray LEDs
FIGURE 1-4
of the disk drive and fan trays, including the symbols that identify the LEDs.
6
Sun Fire X4500/ X4540 Servers Administration Guide • October 2008
Name
Locate button/LED
Fault LED
OK LED
USB connectors
10/100/1000 gigabit
Ethernet ports
System controller status
LEDs
NMI and reset buttons
shows the location of the internal LEDs.
Description
White
Operators can turn this LED on remotely to help them
locate the server in a crowded server room. Press to
turn off.
Amber – When on, service action required.
Green – Service action allowed.
When on, service action is required.
Blink – Standby power is On but main power is off.
Connect USB devices.
Connect server to Ethernet.
Blue – Ready to remove.
Amber – Fault, service action required.
Green – Operational, no action required.
Do not use these buttons unless instructed by Sun
service personnel. To operate these buttons, insert a
stylus or a straightened paper clip into the recess.
• NMI – Non-Maskable Interrupt dump. Sends an NMI
to the CPU. Used for debugging only.
• Reset – Resets the CPU but not the service processor
FIGURE 1-5
shows a close-up view
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