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Chapter 2: Installation
PCIe M.2 Connectors (M.2-C1, M.2-C2)
The PCIe M.2 connectors are for devices such as memory cards, wireless adapters, etc.
These devices must conform to the PCIe M.2 specications (formerly known as NGFF). These
particular PCIe M.2 connectors support M-Key (PCIe x2) storage cards. M.2-C1 and M.2-C2
can support a speed of PCIe 5.0.
USB Ports (USB0~1, USB8~9)
There are a total of nine USB ports supported on the motherboard. Four are located on the
front panel, and ve are located on the back panel. Note that USB devices are not able to
wake up from S3/S4 state.
Front Panel USB 0/1 (2.0)
Pin Denitions
Pin# Denition Pin# Denition
1 +5 V 2 +5 V
3 USB_N 4 USB_N
5 USB_P 6 USB_P
7 Ground 8 Ground
9 NC 10 OC
Front Panel USB 8/9 (3.0)
Pin Denitions
Pin# Denition Pin# Denition
1 +5 V
2 USB3_RN 19 +5 V
3 USB3_RN 18 USB_SSRXN
4 GND 17 USB_SSRXP
5 USB3_TN 16 GND
6 USB3_TP 15 USB_SSTXN
7 GND 14 USB_SSTXP
8 USB_N 13 GND
9 USB_P 12 USB_D-
10 GND 11 USB_D+
Onboard Battery (BT1)
The onboard back up battery is located at BT1. 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.