Supermicro X11SSN Series User Manual page 43

M.2 Slot
M.2 is formerly known as Next
Generation Form Factor (NGFF) and
is located at JMD1 on the bottom side
of the motherboard. The M.2 slot is
designed for internal mounting devices.
The X11SSN-H/-E/-L motherboard
deploys a B-KEY for SATA/PCIe SSD
devices or USB/PCIe WWAN or GNSS
card. The X11SSN-H/-E/-L deploys a
2242/3042/2280 screw hole location for
an M.2 module.
1. M.2 Slot
Bottom Layout
DESIGNED IN USA
1
1
2
JMD1
JSMBUS1
4
1
2
JMP1
Pin# Definition
1 NC
3 GND
5 GND
7 USB_D+
9 USB_D-
11 GND
13 KEY B
15 KEY B
17 KEY B
19 KEY B
21 NC
23 WWAN_WAKE_N
(PU to P1V8SB only
25 NC
27 GND
29 PERn1
31 PERp1
33 GND
35 PETn1
37 PETp1
39 GND
41 PERn0/SATARX+
43 PERp0/SATARX-
45 GND
47 PETn0/SATATX-
49 PETn0/SATATX+
51 GND
53 REFCLK-
55 REFCLK+
57 GND
59 NC
61 NC
3 63 NC
1
JPW1
2 4
65 NC
67 NC
69 PEDET
71 GND
73 GND
75 NC
2
2
43
Chapter 2: Installation
M.2 Pin Definition (JMD1)
Pin# Definition
2 P3V3SB
4 P3V3SB
6 FULL_CARD_POWER_
OFF#
8 W_DISABLE1#
10 NC
12 KEY B
14 KEY B
16 KEY B
18 KEY B
20 NC
22 NC
24 NC
26 RF_KILL_GPS_1P8_N
(PU to P1V8SB only)
28 NC
30 NC
32 NC
34 NC
36 NC
38 DEVSLP (reserved)
40 SMB_CLK
42 SMB_DATA
44 ALERT
(PU to P1V8SB only)
46 NC
48 NC
50 PERST
52 CLKREQT
54 PEWAKE#
56 NC
58 NC
60 NC
62 NC
64 NC
66 N/C
68 SUSCLK (reserved)
70 P3V3SB
72 P3V3SB
74 P3V3SB