Supermicro H12SSW-NT - Page 41

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Chapter 2: Installation
USB Ports (USB 0~3, USB 4, USB 5/6)
There are a total of seven USB ports supported on the motherboard. Four are located on
the back panel , USB 0/1, and USB 2/3 (both are USB 3.1 compliant). There are also three
ports located on the motherboard, two are on one header, USB 5/6 (3.1) and the remaining
one is on a 3.1 "Type A" connector (USB 4).
Front Panel USB 3.0
Pin Denitions
Pin# Denition Pin# Denition
1 VBUS 19 Power
2 Stda_SSRX- 18 USB3_RN
3 Stda_SSRX+ 17 USB3_RP
4 GND 16 GNd
5 Stda_SSTX- 15 USB3_TN
6 Stda_SSTX+ 14 USB3_TP
7 GND 13 GND
8 D- 12 USB_N
9 D+ 11 USB_P
10 x
Expansion Slots
The motherboard features several expansion slots. The table below describes each slot's
type and speed.
Expansion Slots
Name Description
SXB1A Riser Slot
SXB1B Riser Slot (for CPU Slot1 PCIe 4.0 x16, Slot3, PCIe 4.0 x16)
SXB1C Riser Slot
SXB2 Riser Slot (for CPU Slot2, PCIe 4.0 x16)
Onboard Battery (BATTERY)
The onboard back up battery is located at BATTERY. The onboard battery provides backup
power to the on chip CMOS, which stores the BIOS' setup information. It also provides power
to the Real Time Clock (RTC) to keep it running.