1 open source board using the 80386SX

Real designs built with the 80386SX, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.

The 80386SX in open source designs

The gallery holds 1 open source boards using the 80386SX from 1 GitHub repository; a typical one measures about 172.7 × 218.4 mm and carries around 141 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is Mb386sx rc2016 by skiselev.

What boards using the 80386SX are built for

80386SX: common questions

Where can I find a 80386SX reference design?

Each of the 1 boards on this page is a real design using the 80386SX. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

How big is a typical board using the 80386SX?

The median is 172.7 × 218.4 mm, and 100% are two-layer designs.

What is the most popular open source board using the 80386SX?

By GitHub stars, Mb386sx rc2016 by skiselev, with 61 stars.

Can I simulate one of these boards using the 80386SX before building it?

Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.

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