Supermicro SuperServer 620C-TN12R User Manual page 18

Connector Description
Serial Link General Purpose I/O connection header (for S-SATA4/5 SuperDOM
S-SGPIO2
support)
SUM-13/14 BMC firmware
SUM-15/16 System BIOS
USB0/1 (2.0) (J35) Front Accessible USB header with two USB 2.0 connections
USB2/3 (3.0)
Rear I/O USB Port 2/ Port 3 (USB 3.0)
(JUSBRJ45)
UID (JUIDB1) Unit Identifier (UID) button
VGA (JVGA1) Rear VGA port on the I/O back panel
VROC (JRK1) Intel VROC key header for NVMe RAID support (See the note below.)
LED
LE3
LE4
LE6
LE7
LEDM1
Description
Power LED
M.2 _P1 Heartbeat LED
Unit Identifier (UID) LED
M.2 _P2 Heartbeat LED
BMC Heartbeat LED
State: Status
LED On: Onboard Power On
Blinking Green: M.2 device normal
Solid Blue: Unit Identified
Blinking Green: M.2 device normal
Blinking Green: BMC Normal
18
Chapter 1: Introduction