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OpenBSD i386 supports "all CPUs compatible with the Intel 80486 or better, with Intel-compatible hardware floating point" https://www.openbsd.org/i386.html htt
by avhon1 8y ago
OpenBSD i386 supports "all CPUs compatible with the Intel 80486 or better, with Intel-compatible hardware floating point"
https://www.openbsd.org/i386.html https://www.openbsd.org/i386.html
NetBSD i386 says "Any i486 or better CPU should work - genuine Intel or a compatible such as Cyrix, AMD, or NexGen."
https://wiki.netbsd.org/ports/i386/ https://wiki.netbsd.org/ports/i386/
- 5166cc9c39fa61 8y agoIf you are wondering "why drop support for the 386?," the diff for the removal of 386 support from the Linux kernel is a good read: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=743aa456c1834f76982af44e8b71d1a0b2a82e21 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin... tl;dr atomic instructions XADD and CMPXCHG, and serious bugs in many 386 CPUs. Also BSWAP was added in the 486 and speeds some things up a lot.