Here is a step-by-step tutorial showing you how to take out the Bitmain Antminer KA3‘s computer board.
1. Take off the control panel’s cover first. (Press the round button, remove the screws as shown in the illustration below, and lift up the upper cover.)
2. After removing the upper cover, separate the rear fan assembly from the upper cover by removing the screws holding the rear fan baffle in place.
(Keep in mind that the fan cable is still attached when disassembling the parts to prevent breaking it.)
3. Next, after removing the rear fan assembly, unplug the cable and remove the screws of the computing board and copper bus.
4. Pull the computing board back out at the end.
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