The Raspberry Pi 4 Model B with 8GB of RAM is available now for $75. In order to map all 8GB of RAM into the address space of a single process, a 64-bit operating system is needed.

USB boot has been possible since the Raspberry Pi 2 Model B (v1.2), but it has only become really worthwhile with the Pi 4. Here is some information, tips, tricks and opinions explaining why and how.

The conventional standard OS 'Raspbian' is built as a 32-bit OS, and can be used with this Raspberry Pi equipped with 8GB memory. However, due to the 32-bit limitation, a single process can only ...

To take full advantage of this extra memory, a 64-bit version of the foundation's official operating system, Raspbian, has been released in early beta, though it's now called Raspberry Pi OS.

This is a dual-core 64-bit RISC-V chip and it is obviously the star of the show here. In addition to this chip you’ve also got a few Grove headers for digital I/O, I2C, PWM, and a UART.

I managed to build a portal wireless router for my travels using a Raspberry Pi 4 with RaspAP and a USB Wi-Fi adapter.

Once booted into Raspberry Pi OS, we installed Imager and used that to flash a clean install of Raspberry Pi OS (64-bit) onto the SSD drive. Remove the USB thumb drive and Raspberry Pi boots ...