2280 Key M Nvme Ssd (Cn10); Smbus Header (Cn12) - AXIOMTEK IMB540 User Manual

IMB540 User's manual
2.3.12 M.2 2280 Key M NVMe SSD (CN10)
The CN10 (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
2.3.13

SMBus Header (CN12)

The CN12 (5x1-pin p=2.00mm) is for SMBus (System Management Bus) interface.
Pin Signal
1 SMB_SCL
3 GND
5 +5V
14
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 N/C
4 SMB_SDA
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