IMB520 / 521 LGA1151 ATX Motherboard
16
Board and Pin Assignments
CN2A
CN2B
2.5.10
DisplayPort and HDMI Connector (CN2)
CN2 is a double-deck connector comprising an upper connector for DisplayPort (CN2A)
and a lower connector for HDMI (CN2B).
2.5.11
Internal USB Headers (CN16~CN17, CN20, USB1)
These are 5x2-pin p=2.54mm headers for USB 2.0 interface.
The USB1 is a Type-A 180D connector for USB2.0 signal.
Pin Signal
Pin
Signal
1
LANE 0
21
DATA2
2
GND
22
GND
3
LANE 0#
23
DATA2#
4
LANE 1
24
DATA1
5
GND
25
GND
6
LANE 1#
26
DATA1#
7
LANE 2
27
DATA0
8
GND
28
GND
9
LANE 2#
29
DATA1#
10
LANE 3
30
Clock
11
GND
31
GND
12
LANE 3#
32
Clock#
13
Detect Pin
33
NC
14
GND
34
NC
15
AUX CH
35
SCL
16
GND
36
SDA
17
AUX CH#
37
GND
18
Hot Plug Detect
38
+5V POWER
19
GND
39
Hot Plug Detect
20
DP_PWR(3.3V)
Pin Signal
Pin Signal
1
+5 V_DUAL
2
+5 V_DUAL
3
USB 5, 7, 12-
4
USB 6, 8, 13-
5
USB 5, 7, 12+
6
USB 6, 8, 13+
7
GND
8
GND
10
GND
Pin Signal
1
+5V_DUAL
2
USB-
3
USB+
4
GND
