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Chapter 2: Installation
Universal Serial Bus (USB) Ports
There are two USB 2.0 ports (USB0/1) and two USB 3.1 Gen 1 ports (USB4/5) located on
the back I/O panel. The motherboard also has one front access USB 2.0 header (USB2/3)
and one front access USB 3.1 Gen 1 header (USB6/7). The USB8 header is USB 3.1 Gen
1 Type-A. The onboard headers can be used to provide front side USB access with a cable
(not included).
Back Panel USB 4/5 (USB 3.1 Gen 1)
Pin Denitions
Pin# Denition Pin# Denition
A1 VBUS B1 VBUS
A2 D- B2 D-
A3 D+ B3 D+
A4 GND B4 GND
A5 Stda_SSRX- B5 Stda_SSRX-
A6 Stda_SSRX+ B6 Stda_SSRX+
A7 GND B7 GND
A8 Stda_SSTX- B8 Stda_SSTX-
A9 Stda_SSTX+ B9 Stda_SSTX+
Back Panel USB 0/1 (2.0)
Pin Denitions
Pin# Denition Pin# Denition
1 +5V 5 +5V
2 USB_N 6 USB_N
3 USB_P 7 USB_P
4 GND 8 GND
Front Panel USB 2/3 (2.0)
Pin Denitions
Pin# Denition Pin# Denition
1 +5V 2 +5V
3 USB_N 4 USB_N
5 USB_P 6 USB_P
7 GND 8 GND
9 Key 10 GND
Type A USB 8 (USB 3.1 Gen 1)
Pin Denitions
Pin# Denition Pin# Denition
1 VBUS 5 SSRX-
2 USB_N 6 SSRX+
3 USB_P 7 GND
4 GND 8 SSTX-
9 SSTX+
IPMI CODE
+
+
X11SCL-LN4F
REV:1.00
MAC CODE
BAR CODE
DESIGNED IN USA
BIOS LICENSE
LAN4/8
LAN3/7
LAN2/6
LAN1/5
JPL4
JPL8
JPL3
JPL7
JPL2
JPL6
JPL1
JPL5
FAN4
COM1
IPMI_LAN
USB0/1
USB4/5
(3.0)
VGA
JLD2
JLD1
JPW2
JPW1
FAN2
FAN1
LED_PWR_SB
X11SCM-LN8F/-F
Intel
C246 / C242
2280
22110
2280
BMC_HB_LED
LED4
JUIDB1
JWD1
JPME2
JPG1
JBAT1
SP1
USB2/3
JTPM1
I-SGPIO1
I-SGPIO2
JBT1
I-SATA3
I-SATA2
I-SATA1
I-SATA0
I-SATA5
I-SATA4
JL1
FANB
FANA
JSTBY1
USB8
(3.0)
JLED1
JF1
FAN3
PWR_LED
ASpeed
AST2500
M.2-P_1
M.2-H_2
JD1
USB6/7 (3.0)
CPU
DIMMA1
DIMMA2
DIMMB1
DIMMB2
22110
NMI
JF1
LED
PWR
X
LED
HDD
NIC
LED
UID
2
NIC
1
RST
PWR
ON
FAIL
PS
CPU SLOT6 PCI-E 3.0 X16
Intel
i210
Intel
i210
1. USB0/1
2. USB2/3
3. USB4/5
4. USB6/7
5. USB8
1
2
3
4
5
Front Panel USB 6/7 (USB 3.1 Gen 1)
Pin Denitions
Pin# Denition Pin# Denition
1
VBUS 11 2DP
2
1RN 12 2DN
3
1RP 13 GND
4
GND 14 2TP
5
1TN 15 2TN
6
1TP 16 GND
7
GND 17 2RP
8
1DN 18 2RN
9
1DP 19 VBUS
10 ID 20 NC
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