Supermicro SuperServer 5019C-MHN2 - Page 43

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Chapter 4: Motherboard Connections
Unit Identier Switch/UID LED Indicator
              
UID switch is located at UID SW. The UID LED is located next to the UID switch. When you
󰀨

be in need of service.
Note: UID can also be triggered via IPMI on the motherboard. For more information
on IPMI, please refer to the IPMI User's Guide posted on our website at http://www.
supermicro.com/support/manuals/.
UID LED
Pin Denitions
Color Status
Blue: On 
Speaker/Buzzer
On the JD1 header, pins 1-4 are for the external speaker and pins 3-4 are for the buzzer.
Speaker Connector
Pin Denitions
Pin Setting Denition
Pins 1-4 Speaker
Pins 3-4 Buzzer
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to the header to inform you when the chassis is opened.
Chassis Intrusion
Pin Denitions
Pins Denition
1 Intrusion Input
2 Ground