26
Chapter 3: Motherboard Connections
M.2 M-Key Pin Definition (JMD3)
Pin#
Definition
Pin#
Definition
1
GND
2
P3V3
3
GND
4
P3V3
5
PERn3
6
N/C
7
PERp3
8
N/C
9
GND
10
MD2_M-KEY_LED_N
11
PETn3
12
P3V3
13
PETp3
14
P3V3
15
GND
16
P3V3
17
PERn2
18
P3V3
19
PERp2
20
N/C
21
GND
22
N/C
23
PETn2
24
N/C
25
PETp2
26
N/C
27
GND
28
N/C
29
PERn1
30
N/C
31
PERp1
32
N/C
33
GND
34
N/C
35
PETn1
36
N/C
37
PETp1
38
N/C
39
GND
40
N/C
41
PERn0
42
N/C
43
PERp0
44
N/C
45
GND
46
N/C
47
PETn0
48
N/C
49
PETp0
50
PERST#
51
GND
52
CLKREQ#
53
REFCLKn
54
PEWAKE#
55
REFCLKp
56
N/C
57
GND
58
N/C
59
KEY M
60
KEY M
61
KEY M
62
KEY M
63
KEY M
64
KEY M
65
KEY M
66
KEY M
67
N/C
68
SUSCLK
69
PEDET
70
P3V3
71
GND
72
P3V3
73
GND
74
P3V3
75
GND
