Although the post focuses on the Raspberry Pi 4, it applies to any Linux system that has limited memory including older Pi boards. The idea is to use a portion of main memory as a swap file.

The ‘read block’, for instance, starts off with 0x52 and an address offset. A little bit of Python on a Raspberry Pi meant [James] could read and write the entire GameCube memory card.

Raspberry Pi Foundation recently announced a minor expansion to its Compute Module 4S (CM4S) offering, which includes several variants with different memory capabilities.