3.4
ATX Power Supply Enable (CN4)
Table 3-2 lists the pin signals of the ATX Power Supply jumper header, which provides 2 pins
with 2.00mm pitch.
Pin #
1
GND
2
ATX_PS_ON#
NOTE: Shaded table cell denotes ground. The # symbol indicates the signal is Active Low.
3.5
PCIe A x1 (CN14)
Table 3-4 lists the signals for the PCIe A x1 connector, which provides 36 pins, two rows, con-
secutive pin sequence (1, 13) with 1.00mm pitch.
Pin
B1
+V12P0_ATX
B2
+V12P0_ATX
B3
+V12P0_ATX
B4
GND
B5
I2C_CAM_CK_3V
B6
I2C_CAM_DAT_3V
B7
GND
B8
+3VP3S
B9
Not Connected
B10 +3VP3S
B11 PCIE_WAKE#
B12 Not Connected
B13 GND
B14 PCIE_A_TX_P
B15 PCIE_A_TX_N
B16 GND
B17 PCIE_A_CKREQ#
B18 GND
NOTE: Shaded table cells denote power or ground. The # symbol indicates the signal is Active
Low.
Interfaces
Table 3-3: ATX Power Supply (CN4)
Signal
• Jumper Installed (1-2) - ATX switched rails / power
supply enabled (Default)
• Jumper Removed - ATX switched rails / power
supply disabled
BattMan power supply also requires a jumper to
be installed on this header (1-2).
Table 3-4: PCIe A x1 (CN14)
Signal
Jumper Position
Pin
A1
PCIE_A_PRSNT1#
A2
+V12P0_ATX
A3
+V12P0_ATX
A4
GND
A5
Not Connected
A6
Not Connected
A7
Not Connected
A8
Not Connected
A9
+3VP3S
A10
+3VP3S
A11
PCIE_A_RST#
A12
GND
A13
PCIE_A_CLK_P
A14
PCIE_A_CLK_N
A15
GND
A16
PCIE_A_RX_P
A17
PCIE_A_RX_N
A18
GND
LEC-BASE MINI
Signal
21
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