These instructions show how to assemble a complete Pico 3H RPI4 cluster.
The instructions for assembling the Pi board stack are here. This needs to be completed before assembling the rest of the Cube.
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Step 1 – Base Panel
Remove the paper backing from the acrylic and screw the stack to the base panel using the 3/8" screws and washers from packet A. The board stack goes in the center of the base panel with the power cables facing to the left.
Step 2 – Power Supply Wiring
Attach the A/C power input wires to the right most power supply terminals. They are from right to left [L power] [N neutral] [G ground].
Attach the black/red pdu cabling to the Power supply output screws labeled [+] and [-]. Attach the red wire to [+] and the black wire to [-] Make sure the terminals are screwed down tight.Use cable ties to bind the cabling together.
Step 3 – Back Panel and Wiring
Attach the back panel to the base panel and side panels as shown. Use a screw/washer/nut combo from packet E.
Mount the power supply to the back panel with the power supply screws and nylon washers from packet F.
Mount the A/C power connector using the 1/2" screws, nylon washers, and nuts from packet F.
Make sure that the A/C power connector is wired as shown.
Step 4 – Switch Side Panel
Remove the paper backing from the switch side panel and open the switch package. Place the nylon washer on the 1" screws from packet C then thread through panel as shown. Place the switch onto the screws then tighten down with the nuts.
Plug the switch power cable into the power port on the switch using the 5.5mm barrel cable.
Attach the switch side panel to the base panel as shown. Use a screw/washer/nut combo from packet E.
Step 5 – Front Panel
Remove the paper backing from the front panel. Attach the HDMI extension cable to the front panel using the 3/8" screws and nylon washers from Packet D.
Press the power switch through the square hole as shone. The tabs on the top and bottom may need to be compressed.
Attach the switch front panel to the base panel and side panels as shown. Use a screw/washer/nut combo from packet E.
Step 6 – Fan Side Panel
Remove the paper backing from the fan side panel. Attach the fans using the #6 3/4" screws, nylon washers and nuts from packet F.
Attach the switch side panel to the base panel as shown. Use a screw/washer/nut combo from packet E. Route the power cable through the cable management port to the PDU in the back.
Attach the fan plugs to the PDU fan connectors.
Step 7 – Cabling
Plug the HDMI cable to the HDMI port on the top board, then tuck the excess under the bottom board.
Plug the Ethernet cables from the boards into the network switch.Plug the A/C power wiring to the front panel switch as shown. They may be Red/Blue/Yellow or Red/Black/White.
Step 8 – Top Panel
Remove the paper backing from the acrylic and attach the top panel to the base panel as shown. Use a screw/washer/nut combo from packet E.
Step 9 – Completed Cube
Put formatted micro SD cards in each boards, turn on, connect to WAN network and enjoy!