1. The fan's silkscreen and the hashboard's silkscreen of the control board is shown in the figure below, the marking position 1 is fan's silkscreen, the marking position 2 is the hashboard's silkscreen.

2. The docking relationship between fan's silkscreen and fan's socket is as follows, and the fan silkscreen is corresponding to the Miner log.

FAN1 dock J15

FAN2 dock J14

FAN3 dock J13

FAN4 dock J12

3. The correspondence between the Hashboards' socket and its silkscreen is as follows, and the hashboard's silkscreen is corresponding to the Miner log.