Hardware Use
📄️ Hardware Information
System Block Diagram
📄️ microSD Card Slot
The Radxa Dragon Q8B has an onboard microSD card slot compatible with microSD / microSDHC / microSDXC cards. It can be used as a system boot disk or to expand storage capacity.
📄️ USB-A / C Ports
The Radxa Dragon Q8B has 3 USB-C ports, 2 USB 2.0 Type-A ports, and 2 USB 3.2 Gen2 Type-A ports.
📄️ HDMI Output
The Radxa Dragon Q8B has an onboard HDMI output port, which can connect to monitors, TVs, and other devices for video output.
📄️ Power Button / Pins
The Radxa Dragon Q8B has an onboard power button (PER_BTN) and exposed power (PWR) pins for controlling the motherboard power switch.
📄️ EDL Button
The Radxa Dragon Q8B has an onboard EDL button for entering EDL mode. EDL mode is an emergency download mode for Qualcomm processor devices, mainly used for emergency recovery, firmware flashing, or device unlocking.