Banana PI BPI-M2 is the open source hardware platform,Banana PI BPI-M2 is an quad core version of Banana Pi ,Banana PI BPI-M2 is the quad core more better than the Banana Pi M1,it support WIFI onboard.
Banana Pi BPI-M2 series run Android,Debian linux,Ubuntu linux, Raspberry Pi imange and others imange.
Banana PI BPI-M2 hardware: 1Ghz ARM7 quad-core processor, 1GB DDR3 SDRAM,
Banana PI BPI-M2 with Gigabit ethernet port, It can run with Android 4.4 smoothly. The size of Banana PI BPI-M2 same as banana pi M1, it can easily run with the game it support 1080P high definition video output, the GPIO compatible with Raspberry Pi B+ and can run the ROM Image
Note: Banana Pi PBI-M2 not support sata port, so you need use USB for hardisk
hardware spec:
GPIO specification
Banana Pi 40-pin GPIO
Banana Pi has a 40-pin GPIO header that matches that of the Model B+ Raspberry Pi. Following is the Banana Pi GPIO Pinout:
more please see gitbook online documents: