Supermicro SuperServer 5019A-FTN4 - Page 35

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Chapter 4: Motherboard Connections
SATA Ports
The A2SDi-8C-HLN4F has twelve SATA 3.0 ports that are supported by the Intel Atom SoC
chipset. I-SATA0 has built-in power pins to support Supermicro's SATA DOM (Disk On Module)
solutions. I-SATA ports 4-11 are available via miniSAS. JMD1 is an M.2 PCI-E 3.0 X2 slot
that is MUX with I-SATA.
Unit Identier Switch/UID LED Indicator

switch is located at UID, which is next to the VGA port on the back panel. The UID LED
(UIDLED1) is located next to the UID switch. When you press the UID switch, the UID LED
activates. Press the UID switch again to deactivate the LED indicator. The UID Indicator

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.
UID Switch
Pin Denitions
Pin# Denition
1 Ground
2 Ground
3 Button In
4 Button In
UID LED
Pin Denitions
Color Status
Blue: On 