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2.3.12 Mini PCIe2
The SIGM-2650 mainboard (STX-I720) also provides 1*Mini PCIe pin spacing 5.2mm interface (Mini
PCIe2) with USB signal. When 2*CAN is selected, this Mini PCIe slot is occupied. Devices with USB
signals can be extended, such as CAN Bus. The Mini PCIe2 interface definition is shown in table 2.14.
Table 2.14: Mini PCIe2 Connector Pin Assignments
Pin
1
3
5
7
9
11
13
15
V3P3_S
GND
NC
NC
NC
NC
Picture 2.18: Mini PCIe2
Signal
PCIE3_E2_WAKE
NC
NC
V3P3_S
GND
NC
NC
GND
42
NC
44
NC
46
NC
48
V1P5_S
50
GND
52
V3P3_S
Pin
Signal
2
V3P3_S
4
GND
6
V1P5_S
8
NC
10
NC
12
NC
14
NC
16
NC
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User's Manual
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