Parallel ATA (IDE) uses 40 pins, not 26. 26 was for floppies. But it's a standard 40-pin "header" connector. Sometimes called "IDC". CF cards have the PATA interface on a 50-pin connector. I don't ...

First, let's be clear that this method is not for those who feel squeamish about soldering on the PCB of a hard drive. That said, if you are willing, and have the right tools, this is a fool-proof ...

Every hardware component requires some form of motherboard connection. External I/O devices can be plugged into their respective ports, which is pretty straightforward. But when it comes to internal ...

So in order to provide the high res 4-lane CSI, the i2c pins are needed. The i2s interface is also needed for sound capture from HDMI. By counterpoint, the CM4 exposes ADC interfaces on the SOM ...