6 System error LED
The system error LED helps you to determine if there are any system errors. For details, see “System error
LED” on page 16.
7 System ID LED
The blue system ID LED helps you to visually locate the server. A system ID LED is also located on the front
of the server. Each time you press the system ID button, the state of both the system ID LEDs changes. The
LEDs can be changed to on, blinking, or off. You can also use the Lenovo XClarity 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.
System board components
The illustration in this section shows the component locations on the system board.
Figure 15. System board components
1 Serial-port-module connector 2 RAID adapter slot (slot 4)
3 BIOS ROM programming connector
4 Riser 1 slot
5 LOM adapter connector 6 XCC ROM programming connector
7 Front USB connector 8 Operator-information-panel connector
9 Rear-backplane power connector
10 Front VGA connector
24 User Guide for ThinkAgile HX1321 Node ThinkAgile HX3321 Node
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