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Universal Serial Bus (USB) Ports
There are two USB 2.0 ports (USB0/1) and four USB 3.0 ports (USB4/5/6/7) on the I/O back
panel. The motherboard also has one USB 2.0 header (USB2/3) and one USB 3.0 header
(USB8/9). The onboard headers can be used to provide front side USB access with a cable
(not included).
Front Panel USB (3.0) (USB8/9)
Pin Definitions
Pin#
Definition
1
5V_USB30H1
2
USB_RX_CON_N1
3
USB_RX_CON_P1
4
GND
5
USB_TX_CON_N1
6
USB_TX_CON_P1
7
GND
8
USB_CON_PN5
9
USB_CON_PP5
10
GND
OBR1
3
HS1
4
BUZ1
PCH
GPIO1
I-SATA5
I-SATA4
I-SATA3
I-SATA1
I-SATA0
Pin#
Definition
11
USB_CON_PP6
12
USB_CON_PN6
13
GND
14
USB_TX_CON_P2
15
USB_TX_CON_N2
16
GND
17
USB_RX_CON_P2
18
USB_RX_CON_N2
19
5V_USB30H1
20
X
1
2
AUDIO
USB4/5/6/7
USB0/1
(3.0)
LAN1
C7C232-CB-ML
Rev. 1.00
CPU
NGFFB1
CN1
PCHDR1
35
Chapter 2: Installation
Front Panel USB 2.0 (USB2/3)
Pin Definitions
Pin#
Definition
1
5V_USB20H2
3
USB_CON_PN9
5
USB_CON_PP9
7
Ground
9
X
1. USB0/1
2. USB4/5/6/7
KB/MOUSE
3. USB2/3
FANS1
FANS2
4. USB8/9
CN2
FANC1
BT1
DIMMA1
DIMMA2
DIMMB1
DIMMB2
DBGH1
TPMH1
Pin#
Definition
2
5V_USB20H2
4
USB_CON_PN7
6
USB_CON_PP7
8
Ground
10
Ground
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