| 1 | J15 | 10/100/1000 RGMII Ethernet and SPI
                            SODIMM connector | 
| 2 | J26 | mikroBUS2 interface | 
| 3 | J25 | mikroBUS1 interface | 
| 4 | J24 | USB 2.0 Type-A (USB C) | 
| 5 | J23 | USB 2.0 Type-A (USB B) | 
| 6 | J3 | USB 2.0 Type-C (USB A) | 
| 7 | BT1 | CR1220 battery holder | 
| 8 | J1 | 5V DC jack connector | 
| 9 | J17 | LVDS display 30-pin connector | 
| 10 | J16 | MIPI DSI 34-pin connector | 
| 11 | J14 | 10/100/1000 GMAC0 Ethernet
                            connector | 
| 12 | J29, J31, J30 | CAN1, CAN2 and CAN3 interfaces,
                            respectively | 
| 13 | J38 | JTAG debug connector | 
| 14 | J18 | RPi 40-pin extension connector | 
| 15 | J11 | M.2 wireless interface connector | 
| 16 | J35 | FTDI connector (UART debugger) | 
| 17 | J19, J20, J21, J22 | 2x4 female headers used for LCD
                            fitting |