GOWIN, Computer Hardware, models:

DK START GW1N-LV9EQ144C6I5 V2.1	User Manual
DK USB2.0 GW2AR-LV18QN88PC8I7 GW1NSR-LV4CMG64PC7I6 V3.0	User Manual
DK_GoAI_GW1NSR-LV4CQN48PC7I6	User Manual
DK_START_GW2A-LV18PG256C8I7_V2.0	User Manual