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multicomp PRO Pi-4 User Manual

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1
Pi-4 Power HAT Case Assembly
and Quick Start Guide
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multicomp PRO Pi-4 Specifications

General IconGeneral
ProcessorBroadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
Video Output2 × micro-HDMI ports (up to 4Kp60 supported)
RAM2GB, 4GB, or 8GB LPDDR4-3200 SDRAM (depending on model)
Connectivity2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, Gigabit Ethernet
Audio Output3.5mm audio jack
USB2 × USB 3.0 ports; 2 × USB 2.0 ports
GPIO40-pin GPIO header
StorageMicroSD card slot for operating system and data storage
Power5V DC via USB-C connector (minimum 3A), 5V DC via GPIO header (minimum 3A)
Operating Temperature0 – 50 °C
Operating SystemRaspberry Pi OS

Summary

Pi-4 Power HAT Case Assembly and Quick Start Guide

Important Safety Information

Electrostatic Discharge Precautions

Warning regarding electrostatic sensitive devices and necessary grounding procedures during assembly.

Assembly Instructions

Casing and Riser Preparation

Insert Pi board into casing and connect riser to header connector pins.

Cooling Fan Installation

Clip support pillars and mount cooling fan into PCB cut-out, feeding wire through.

PCB and Wiring Connection

Route fan wiring, connect to PCB header, and clip PCB onto mounting pillars.

Final Casing Assembly

Lower the upper casing over the assembly until it snaps into place.

Installation and Configuration

OS Setup and Update

Install latest OS to SD card, update system via terminal commands.

Power Management Configuration

Edit config.txt to add dtoverlay for power-off and shutdown control.

Operation Guide

Power Connection and USB Ports

Note on using the upper USB socket for power supply to ensure button functionality.

Startup and Shutdown Procedures

Instructions for starting, shutting down, and forced shutdown using the STAND-BY button.

Waste Disposal Information