Assemble Pine64 Board Stack
These instructions show how to assemble a stack of Pine64 boards for your PicoCluster. These photos show how to assemble a 5 board stack. The 3 board stack is same, but only 3 boards are required instead of 5.
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Step 1 – Prepare the Boards
Open the packages and apply the heat sinks as shown. Each heat sink has a peel-off backing allowing it to stick to the chips.
Step 2 – Assemble the Board Stack
Start with the 1/2" F/F standoffs on the bottom and the 3/4" M/F standoffs on the top as shown. Once screwed together, then tighten slightly. The standoffs only need to be snug, not wrenched tight together.
Continue to add boards to the stack using the 3/4" M/F standoffs as shown.
Step 3 – Assemble the PDU
Start with the PDU and acrylic mounting plate. The brown paper needs to be peeled off to expose the clear acrylic. Place the long screws throw the PDU, then place the nylon spaces on the screws on the other side of the PDU.
Place the acrylic mounting plate over the screws onto the nylon spaces. The USB ports need to face to the right, towards the circular cable mount as shown. Next add the nylon washers and the nuts onto the screws. Snug the nuts down.
Attach the PDU to the top of the stack using the 3/8" screws and nylon washers.
Step 4 – Connect the Power Cables
Connect each power cable to each Pine64 as shown. The top-most board should have the shortest cable. The bottom 2 boards share a splitter cable. Plug each power cable into the PDU on top as shown. The bottom 2 cables should intertwine which help keeps the cables in place.
Next Steps – Assemble Your Cube
Move on the the assembly instructions for your particular cluster cube. The Pico 10 requires 2 board stacks and the Pico 20 requires 4 board stacks.