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Today marks two weeks since the release of Linux kernel 6.19 and the opening of the merge window for Linux kernel 7.0, which means that it is time to test drive the Release Candidate (RC) versions during the next couple of months, the first one being available for download right now from Linus Torvalds’s Git tree.

The SBC-ZETA-3950 uses the quad-core Intel Atom E3950 processor running at 1.6 GHz (2.0 GHz burst), with 2MB L2 cache and a 12W base power envelope.

The UP Board family combines Intel processors with a 40-pin expansion header routed through an onboard FPGA. The FPGA handles signal level shifting, pin multiplexing, switching, and direction control, allowing pins to operate as I2C, UART, PWM, or GPIO.