Supermicro SuperServer 220HE-FTNR User Manual page 63

Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate
cable from the chassis to inform you when the chassis is opened. Refer to the table below
for pin definitions.
6-pin BMC External I
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A System Management Bus header for BMC 2.0 is located at JF3_JIPMB1. Connect the
appropriate cable here to use the IPMB I
below for pin definitions.
NVMe SMBus Headers
NVMe SMBus (I C) header (JNVI2C1), used for PCIe SMBus clock and data connections,
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provides hot-plug support via a dedicated SMBus interface. This feature is only available for
a Supermicro complete system with an SMCI-proprietary NVMe add-on card and a proper
cable installed. See the table below for pin definitions.
Unit Identifier (UID) Switch and UID LED Indicator
A UID switch jumper (JUIDB1) and a UID LED (LED1) are located on the motherboard. The
front UID LED is located on pins 7 & 8 of the front panel control header (JFP1). When you
press the rear UID switch, both front and rear UID LEDs will be turned on. Press the UID
switch again to turn off the LED indicators. The UID indicators provide easy identification of
a system that may be in need of service.
Note: UID can also be triggered via BMC on the motherboard. For more information on BMC,
please refer to the BMC User's Guide posted on our website at http://www.supermicro.com.
C Header
C connection on your system. Refer to the table
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Chapter 4: Motherboard Connections