Supermicro SuperServer E300-9D-4CN8TP - Page 33

33
Chapter 3 Motherboard Connections
Universal Serial Bus (USB) Ports
There are two USB 3.0 ports (USB4/5) on the I/O back panel. The motherboard also has
two front access USB 2.0 headers (USB0/1, USB2/3). The onboard headers can be used to
provide front side USB access with a cable (not included).
Front Panel USB 0/1, 2/3 (2.0)
Pin Denitions
Pin# Denition Pin# Denition
1 +5V 2 +5V
3 USB_N 4 USB_N
5 USB_P 6 USB_P
7 Ground 8 Ground
9 Key 10 NC
Back Panel USB 4/5 (3.0)
Pin Denitions
Pin# Denition Pin# Denition
A1 VBUS B1 Power
A2 D- B2 USB_N
A3 D+ B3 USB_P
A4 GND B4 GND
A5 Stda_SSRX- B5 USB3_RN
A6 Stda_SSRX+ B6 USB3_RP
A7 GND B7 GND
A8 Stda_SSTX- B8 USB3_TN
A9 Stda_SSTX+ B9 USB3_TP
Unit Identier Button/UID LED Indicator

button is located next to the VGA port on the back panel. The UID LED is located at LED2,
next to the UID button. When you press the UID button, the UID LED will be turned on.
󰀨

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 https://www.supermicro.com/
support/manuals/.
UID Button
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 