Lenovo ThinkAgile HX Series, User Manual

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Controller or a remote management program to change the state of the system ID LEDs to assist in visually
locating the server among other servers.
If the XClarity Controller USB connector is set to have both the USB 2.0 function and XClarity Controller
management function, you can press the system ID button for three seconds to switch between the two
functions.
4 System error LED
The system error LED helps you to determine if there are any system errors.
Status Color
Description Action
On
Yellow An error has been detected on the server.
Causes might include but not limited to the
following errors:
• The temperature of the server reached
the non-critical temperature threshold.
• The voltage of the server reached the
non-critical voltage threshold.
• A fan has been detected to be running at
low speed.
• A hot-swap fan has been removed.
• The power supply has a critical error.
• The power supply is not connected to
the power.
Check the event log to determine the exact
cause of the error.
Off None The server is off or the server is on and is
working correctly. None.
Rear view
The rear of the server provides access to several connectors and components, including the power supplies,
PCIe adapters, hot-swap drive bays, serial port, and Ethernet connectors.
• “Rear view of server models with three PCIe slots” on page 16
• “Rear view of server models with two PCIe slots” on page 18
• “Rear view of server models with two hot-swap drive bays and one PCIe slot” on page 20
Rear view of server models with three PCIe slots
The following illustration shows the rear view of server models with three PCIe slots. Depending on the
model, your server might look slightly different from the illustration below.
Figure 8. Rear view of server models with three PCIe slots
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User Guide for ThinkAgile HX1321 Node ThinkAgile HX3321 Node