--- title: M8SBC-486 (Homebrew 486 computer) | daily.dev description: A detailed documentation of a custom-built 486 homebrew computer motherboard (M8SBC-486) featuring a Xilinx Spartan II FPGA as the chipset, 4MB SRAM, ISA... canonical: https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: M8SBC-486 (Homebrew 486 computer) | daily.dev og:description: A detailed documentation of a custom-built 486 homebrew computer motherboard (M8SBC-486) featuring a Xilinx Spartan II FPGA as the chipset, 4MB SRAM, ISA... og:url: https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi og:image: https://api.daily.dev/og/posts/ZpE54I0Wi.png og:image:alt: M8SBC-486 (Homebrew 486 computer) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # M8SBC-486 (Homebrew 486 computer) **[Hacker News](https://daily.dev/sources/hn)** · 5 min read · 2 upvotes · 0 comments ## Summary A detailed documentation of a custom-built 486 homebrew computer motherboard (M8SBC-486) featuring a Xilinx Spartan II FPGA as the chipset, 4MB SRAM, ISA slots, and PS/2 keyboard support. The board achieves partial PC compatibility, successfully running Linux 2.2.26, MS-DOS 6.22, FreeDOS 1.4, and some DOS software including DOOM, though it lacks secondary PIC and DMA support. Includes comprehensive compatibility testing results for ISA cards, operating systems, and DOS software, along with technical specifications and design documentation. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [M8SBC-86 Is An FPGA-Based “Kinda PC Compatible” 486](https://daily.dev/posts/m8sbc-86-is-an-fpga-based-kinda-pc-compatible-486-kajq3erjx) · Hackaday · 2 upvotes · 0 comments - [Homebrew 68K Machine Has A PCI Bus](https://daily.dev/posts/homebrew-68k-machine-has-a-pci-bus-si8sau451) · Hackaday · 1 upvotes · 0 comments - [A2386SX – Amiga PC bridgeboard replica](https://daily.dev/posts/a2386sx-amiga-pc-bridgeboard-replica-sbwj87fpe) · Two Stop Bits · 0 upvotes · 0 comments - [Hackaday Europe 2026 – Building A Retro PC From Scratch](https://daily.dev/posts/hackaday-europe-2026-building-a-retro-pc-from-scratch-fqbse5mn7) · Hackaday · 0 upvotes · 0 comments - [b-dmitry1/BIOS: Very compact \(8KB\) embedded x86 BIOS for FPGA/emulators/386EX](https://daily.dev/posts/b-dmitry1-bios-very-compact-8kb-embedded-x86-bios-for-fpga-emulators-386ex-rjm1vtrke) · Two Stop Bits · 1 upvotes · 0 comments --- Tags: [#embedded](https://daily.dev/tags/embedded), [#fpga](https://daily.dev/tags/fpga), [#hardware](https://daily.dev/tags/hardware), [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"M8SBC-486 (Homebrew 486 computer)","url":"https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi"},"datePublished":"2026-01-18T00:34:04.492Z","dateModified":"2026-03-15T03:32:03.413Z","description":"A detailed documentation of a custom-built 486 homebrew computer motherboard (M8SBC-486) featuring a Xilinx Spartan II FPGA as the chipset, 4MB SRAM, ISA...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8fe58e804b2ecd98d89b5449e5f5725d?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8fe58e804b2ecd98d89b5449e5f5725d?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/m8sbc-486-homebrew-486-computer--zpe54i0wi","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"embedded,fpga,hardware,linux","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"M8SBC-486 (Homebrew 486 computer)"}]} ```