Uploaded February 2026 | Updated September 2026, 2 weeks ago

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I recently got this 386SX 40Mhz motherboard during a recent Turbo Mail Call episode, and it is missing parts so it can't run. Let's try to get this board working, so I can see how the performance stacks up to other 386SX boards.

0:00 Intro
1:13 The broken motherboard
13:07 Baseline repairs
24:48 First power up
35:44 Testing a 3rd motherboard
47:79 Continuing the repair attempt
1:00:23 Outro


-- Links

BIOS dump:
archive.org/details/386sx_20260204_0655

Adrian's Digital Basement ][ (Second Channel)
youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
patreon.com/adriansdigitalbasement

My GitHub repository:
github.com/misterblack1?tab=repositories

--- Instructional videos

My video on chip removal without damage:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino