TYAN S5560 Manual page 21

M.2 Connectors (CN1, CN2) PCIE-ONLY
Signal Pin
GND 1
GND 3
NC 5
NC 7
9
GND
NC 11
NC 13
15
GND
17
NC
NC 19
GND 21
NC 23
NC 25
GND 27
29
PE_RX_1_N
PE_RX_1_P 31
GND 33
35
PE_TX_1_N
37
PE_TX_1_P
GND 39
PE_RX_0_N 41
PE_RX_0_P 43
45
GND
PE_TX_0_N 47
PE_TX_0_P 49
51
GND
53
REF_CLK_N
REF_CLK_P 55
GND 57
59
KEY PIN
KEY PIN
61
KEY PIN
63
KEY PIN 65
N.C 67
PEDET 69
71
GND
73
GND
GND 75
21
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Pin
2
4
6
8
10
LED_NGFF_ACT_N
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40 SMB_M2_SSD_P1V8_SCL
42 SMB_M2_SSD_P1V8_SDA
IRQ_SMB_M2_SSD_ALERT_P1
44
46
48
50
CLKREQ#
52
54 PEWAKE#
56
58
60
62
64
66
68 CLK_33K
70
72
74
Signal
P3V3
P3V3
NC
NC
P3V3
P3V3
P3V3
P3V3
NC
NC
NC
NC
NC
NC
NC
NC
NC
DEVSLP
V8_N
NC
NC
PERST#
NC
NC
KEY PIN
KEY PIN
KEY PIN
KEY PIN
P3V3
P3V3
P3V3