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mITX-SSH-S - User Guide, Rev. 1.0
// 57
Pin
Side B
Side A
Signal
Description
Signal
Description
1
+12V
+12 V power
PRSNT1#
Hot plug presence detect
2
+12V
+12 V power
+12V
+12 V power
3
Reserved
+12V
+12 V power
4
Ground
Ground
5
SMCLK
SMBus clock
Reserved
6
SMDAT
SMBus data
Reserved
7
Ground
Reserved
8
+3.3V
+3.3 V power
Reserved
9
Reserved
+3.3V
+3.3 V power
10
+3.3VSB
+3.3 V standby power
+3.3V
+3.3 V power
11
WAKE#
Link reactivation
PERST#
PCI Express reset
Mechanical Key
12
Reserved
Ground
13
Ground
Reference clock, differential pair
14
HSOP0
Transmitter Lane 0, Differential pair REFCLK-
15
HSON0
Ground
16
Ground
HSIP0
Receiver Lane 0, Differential pair
17
PRSNT2#
Hot plug presence detect
HSIN0
18
Ground
Ground
19
HSOP1
Transmitter Lane 1, Differential pair
Reserved
20
HSON1
Ground
21
Ground
HSIP1
Receiver Lane 1, Differential pair
22
Ground
HSIN1
23
HSOP2
Transmitter Lane 2, Differential pair Ground
24
HSON2
Ground
25
Ground
HSIP2
Receiver Lane 2, Differential pair
26
Ground
HSIN2
27
HSOP3
Transmitter Lane 3, Differential pair Ground
28
HSON3
Ground
29
Ground
HSIP3
Receiver Lane 3, Differential pair
30
Reserved
HSIN3
31
PRSNT2#
Hot plug presence detect
Ground
32
Ground
Reserved
33
HSOP4
Transmitter Lane 4, Differential pair Reserved
34
HSON4
Ground
35
Ground
HSIP4
Receiver Lane 4, Differential pair
36
Ground
HSIN4
37
HSOP5
Transmitter Lane 5, Differential pair Ground
38
HSON5
Ground
39
Ground
HSIP5
Receiver Lane 5, Differential pair
40
Ground
HSIN5