Are you able to see the device after powering without an SD card installed? The SD card shouldn’t prevent access to the FPGA, normally, but you may not see the APUs on the chain when the booROM isn’t set to boot from JTAG.
Are you able to see the device after powering without an SD card installed? The SD card shouldn’t prevent access to the FPGA, normally, but you may not see the APUs on the chain when the booROM isn’t set to boot from JTAG.