Supermicro SuperServer SYS-E302-12A-4C User Manual page 35

M.2 Slot Pin Definitions (JMD1 M-Key)
Pin# Definition Pin#
1 GND 2
3 USB_JMD2_DP 4
5 USB_JMD2_DN 6
7 GND 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 GND 34
35 PE_PCH_TX_C_P0 36
37 PE_PCH_TX_C_N0 38
39 GND 40
41 PE_M2E_RX_DP 42
43 PE_M2E_RX_DN 44
45 GND 46
47 CLK_100M_M2E_DP 48
49 CLK_100M_M2E_DN 50
51 GND 52
53 CLKREQ_M2E_R_N 54
55 PE_WAKE_M2E_R_N 56
57 GND 58
59 60
61 62
63 GND 64
65 66
67 68
69 GND 70
71 72
73 74
75 GND
Definition Pin#
P3V3_DUAL 1
P3V3_DUAL 3
5
7
9
11
13
15
GND
17
UART_BT_
WAKE_R_N
19
21
23
25
27
29
31
33
35
37
39
M2E_WLAN_COEX3
M2E_WLAN_COEX2
41
M2E_WLAN_COEX1
M2E_SUSCLK_R
43
PLTRST_M2E_R
45
M2E_W_
47
DISABLE2_N_R
49
M2E_W_
51
DISABLE1_N_R
53
M2E_I2C_DAT_R
55
M2E_I2C_CLK_R
57
59
61
63
65
67
P3V3_DUAL
69
P3V3_DUAL
71
73
75
35
Chapter 4 Motherboard Connections
M.2 Slot Pin Definitions (JMD2 B-Key)
Definition Pin# Definition
NC 2 P3V3SB
GND 4 P3V3SB
GND 6 FULL_CARD_POWER_
OFF#(PU to P1V8SB only)
USB_D+ 8 W_DISABLE1#(PU to P3V3SB
only)
USB_D- 10 NC
GND 12
14
16
18
20 NC
NC 22 NC
WWAN_ 24 NC
WAKE_N(PU to
P1V8SB only)
NC 26 RF_KILL_GPS_1P8_N(PU to
P1V8SB only)
GND 28 NC
NC 30 NC
NC 32 NC
GND 34 NC
NC 36 NC
NC 38 DEVSLP
(reserved)
GND 40 SMB_CLK
(reserved)
PERn0/SATARX+ 42 SMB_DATA
(reserved)
PERp0/SATARX- 44 ALERT(PU to P1V8SB only)
GND 46 NC
PETn0/SATATX- 48 NC
PETn0/SATATX+ 50 PERST (PLTRST)
GND 52 CLK_REQ_N
REFCLK- 54 PE_WAKE_N
REFCLK+ 56 NC
GND 58 NC
NC 60 NC
NC 62 NC
NC 64 NC
NC 66 NC
NC 68 SYSCLK (reserved)
PE_DET 70 P3V3SB
GND 72 P3V3SB
GND 74 P3V3SB
NC