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2.4.11
M.2 2280 Key M NVMe SSD (CN12)
The CN11 (5x1-pin p=2.00mm) is for SMBus (System Management Bus) interface.
Pin
Signal
1
GND
5
PERn3
9
GND
13
PETp3
17
PERn2
21
GND
25
PETp2
29
PERn1
33
GND
37
PETp1
41
PERn0
45
GND
49
PETp0
53
REFCLKn
57
GND
CONNECTOR
61
Key M
CONNECTOR
65
Key M
69
NC
73
GND
2.4.12
Internal USB Headers (CN13, CN14, CN16)
These are 5x2-pin p=2.54mm headers for USB 2.0 interface.
Pin
Signal
1
+5 V_DUAL
3
USB 5, 7, 12-
5
USB 5, 7, 12+
7
GND
20
Pin
Signal
2
+3.3V
6
NC
10
LED_1#
14
+3.3V
18
+3.3V
22
NC
26
NC
30
NC
34
NC
38
NC
42
NC
46
NC
50
PERST#
54
PEWAKE#
58
NC
CONNECTOR
62
Key M
CONNECTOR
66
Key M
70
+3.3V
74
+3.3V
Pin
Signal
2
+5 V_DUAL
4
USB 6, 8, 13-
6
USB 6, 8, 13+
8
GND
10
GND
Pin
Signal
Pin
3
GND
7
PERp3
11
PETn3
15
GND
19
PERp2
23
PETn2
27
GND
31
PERp1
35
PETn1
39
GND
43
PERp0
47
PETn0
51
GND
55
REFCLKp
CONNECTOR
59
Key M
CONNECTOR
63
Key M
67
NC
71
GND
75
GND
Board and Pin Assignments
Signal
4
+3.3V
8
NC
12
+3.3V
16
+3.3V
20
NC
24
NC
28
NC
32
NC
36
NC
40
NC
44
NC
48
NC
52
CLKREQ#
56
NC
CONNECTOR
60
Key M
CONNECTOR
64
Key M
68
NC
72
+3.3V
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