Lanner NCA-4020 User Manual page 24

PCIE1 / PCIE2：STD PCIe x8 connector
PIN Description
B1 P12V
B2 P12V
B3 P12V
B4 GND
B5 I2C_SCLK
B6 I2C_SDAT
B7 GND
B8 P3V3
B9 N/A
B10 P3V3_AUX
B11 WAKE#
B12 N/A
B13 GND
B14 CPU_TXP0
B15 CPU_TXN0
B16 GND
B17 N/A
B18 GND
B19 CPU_TXP1
B20 CPU_TXN1
B21 GND
B22 GND
B23 CPU_TXP2
B24 CPU_TXN2
B25 GND
B26 GND
B27 CPU_TXP3
B28 CPU_TXN3
B29 GND
B30 CLK2_P
B31 CLK2_N
B32 GND
B33 CPU_TXP4
B34 CPU_TXN4
B35 GND
B36 GND
B37 CPU_TXP5
B38 CPU_TXN5
B39 GND
B40 GND
B41 CPU_TXP6
B42 CPU_TXN6
B43 GND
B44 GND
B45 CPU_TXP7
B46 CPU_TXN7
B47 GND
B48 N/A
B49 GND
PIN Description
A1 N/A
A2 P12V
A3 P12V
A4 GND
A5 N/A
A6 N/A
A7 SLT_X16_A7
A8 SLT_A8
A9 P3V3
A10 P3V3
A11 PCIE_RST#
A12 GND
A13 CLK1_P
A14 CLK1_N
A15 GND
A16 CPU_RXP0
A17 CPU_RXN0
A18 GND
A19 N/A
A20 GND
A21 CPU_RXP1
A22 CPU_RXN1
A23 GND
A24 GND
A25 CPU_RXP2
A26 CPU_RXN2
A27 GND
A28 GND
A29 CPU_RXP3
A30 CPU_RXN3
A31 GND
A32 N/A
A33 N/A
A34 GND
A35 CPU_RXP4
A36 CPU_RXN4
A37 GND
A38 GND
A39 CPU_RXP5
A40 CPU_RXN5
A41 GND
A42 GND
A43 CPU_RXP6
A44 CPU_RXN6
A45 GND
A46 GND
A47 CPU_RXP7
A48 CPU_RXN7
A49 GND
24
B49
A49
B1
A1