By default, the FMC+ ADJ voltage is not enabled in FMC module.
To enable the VCC_FMC+_ADJ Voltage please use the below command in uboot:
i2c dev 2
i2c probe
i2c mw 0x21 0x6 0x7f 0x1
For endpoint mode the switch configuration (DIP switch setting), please refer the image provided in PCIe Gen4 x8 FMC Module Datasheet. Please connect with iWave representative for datasheet.
For further product inquiries, please get in touch with our sales team at mktg@iwave-global.com
Please find the detailed product information here:
PCIe Gen4 x8 FMC Module