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95 AIMB-501 User Manual

Appendix B I/O Pin Assignments

B.20 ATX 4-pin Power Connector (ATX12V1)

B.21 SPI Connector (SPI_CN1)

Table B.20: ATX 4-pin Power Connector (ATX12V1)

ATX12V1 ATX 4-pin Power Connector

Part Number 12G150200047

Pin Pin Name

1GND

2GND

3 +12V_CPU

4 +12V_CPU

Table B.21: SPI Connector (SPI_CN1)

SPI_CN1 SPI Connector

Part Number 12G06100008T

Pin Pin Name

1 SPI_POWER

2GND

3 SPI_CS#

4 SPI_CLK

5 SPI_MISO

6 SPI_MOSI

7NC

8 SPI_HOLD#