USB Headers

There is one USB 2.0 header (USB0/1) and one USB 3.2 Gen 1x1 header (USB2/3) on the X14SAE motherboard, each supporting two USB connections. There is also one USB 3.2 Gen 1x1 header (USB4, vertical), and one USB 3.2 Gen 2x2 header (USB9) located on the motherboard. These headers provide front access using USB cables (not included).

(USB 2.0) Header Pin Definitions: 10 Total Pin# Definition Pin# Definition 1 +5 V 2 +5 V 3 USB_N 4 USB_N 5 USB_P 6 USB_P 7 GND 8 GND 9 Key 10 No Connection

USB 3.2 Gen 2x2 Header Pin Definitions: 20 Total Pin# Definitions Pin# Definitions 1 VBUS 11 VBUS 2 TX1+ 12 TX2+ 3 TX1- 13 TX2- 4 GND 14 GND 5 RX1+ 15 RX2+ 6 RX1- 16 RX2- 7 VBUS 17 GND 8 CC1 18 D- 9 No Connection 19 D+ 10 No Connection 20 CC2

USB 3.2 Gen 1x1 Header Pin Definitions: 19 Total
Pin#	Definitions	Pin#	Definitions
1	VBUS	11	IntA_P2_D+
2	IntA_P1_SSRX-	12	IntA_P2_D-
3	IntA_P1_SSRX+	13	GND
4	GND	14	IntA_P2_SSTX+
5	IntA_P1_SSTX-	15	IntA_P2_SSTX-
6	IntA_P1_SSTX+	16	GND
7	GND	17	IntA_P2_SSRX+
8	IntA_P1_D-	18	IntA_P2_SSRX-
9	IntA_P1_D+	19	VBUS
10	GND

For a detailed diagram of the X14SAE motherboard, see the layout under Motherboard Quick Reference.