I have an STM32F4 that refuses to work with both SD & ENC28J60 ethernet modules using MIDIbox NG & CV V2.   Working: Ethernet and no SD   When I boot it without an SD inserted, the ethernet works fine:   Ethernet cable connected: yes Ethernet MAC address: 00:39:36:30:39:31 Ethernet services running: yes DHCP: enabled IP address: 192.168.0.100 Netmask: 255.255.255.0 Default Router (Gateway): 192.168.0.1   Not Working: SD and ethernet together (ethernet gets disabled)   However,