Editing I386 (section)

==Obsolescence==
[[File:Intel chips 286 386 486 size comparison.jpg|thumb|Size comparison of the 286, 386 and 486]]
[[Windows 95]] was the only entry in the [[Windows 9x]] series to officially support the 386, requiring at least a 386DX, though a 486 or better was recommended;<ref>{{cite web |url=http://support.microsoft.com/kb/138349 |title=Windows 95 Installation Requirements |publisher=Microsoft |date=2000-12-17 |website=Microsoft Support |archive-url=https://web.archive.org/web/20041019021615/http://support.microsoft.com/kb/138349 |archive-date=2004-10-19 |access-date=2020-09-01}}</ref> [[Windows 98]] requires a 486DX or higher.<ref>{{cite web |url=http://microsoft.com:80/windows98/guide/Win98/SysReq/default.asp |title=Windows 98 Product Guide: System Requirements |publisher=Microsoft |date=1998-12-04 |website=microsoft.com |access-date=2020-08-31 |archive-url=https://web.archive.org/web/19990420193302/http://microsoft.com/windows98/guide/Win98/SysReq/default.asp |archive-date=April 20, 1999 |url-status=live }}</ref> In the [[Windows NT]] family, [[Windows NT 3.51]] was the last version with 386 support.<ref>{{cite web |url=http://support.microsoft.com/kb/139733/ |title=Windows NT 3.5x Setup Troubleshooting Guide |publisher=Microsoft |website=Microsoft Support |access-date=2020-08-31 |archive-url=https://web.archive.org/web/20070223030314/http://support.microsoft.com/kb/139733/ |archive-date=2007-02-23}}</ref><ref>{{cite web |url=http://microsoft.com/products/prodref/428_sys.htm |title=Windows NT Workstation 4.0 - Requirements |publisher=Microsoft |date=1999-01-29 |website=microsoft.com |access-date=2020-08-31 |archive-url=https://web.archive.org/web/19990202042900/http://microsoft.com/products/prodref/428_sys.htm |archive-date=1999-02-02}}</ref>

[[Debian|Debian GNU/Linux]] dropped 386 support with the release of 3.1 (''Sarge'') in 2005 and completely removed support in 2007 with 4.0 (''Etch'').<ref>{{cite web |url=https://www.debian.org/releases/sarge/i386/release-notes/ch-upgrading.en.html |title=Release Notes for Debian GNU/Linux 3.1 ('sarge'), Intel x86 - Upgrades from previous releases |publisher=The Debian Project |date=June 2005 |website=debian.org |access-date=2020-09-01 |archive-date=May 3, 2023 |archive-url=https://web.archive.org/web/20230503163831/https://www.debian.org/releases/sarge/i386/release-notes/ch-upgrading.en.html |url-status=dead }}</ref><ref>{{Cite web |date=September 16, 2007 |orig-date= |title=Release Notes for Debian GNU/Linux 4.0 ("etch"), Intel x86 |url=https://www.debian.org/releases/etch/i386/release-notes.en.txt |access-date=November 10, 2023 |website=debian.org |publisher=The Debian Project}}</ref> Citing the maintenance burden around [[symmetric multiprocessing|SMP]] primitives, the [[Linux kernel]] developers cut support from the development codebase in December 2012, later released as kernel version 3.8.<ref name="phoronix-linux-drop-support" />

Among the [[Berkeley Software Distribution|BSD]]s, [[FreeBSD]]'s 5.x releases were the last to support the 386; support for the 386SX was cut with release 5.2,<ref>{{cite web |url=https://www.freebsd.org/releases/5.2R/hardware-i386.html |title=FreeBSD/i386 5.2-RELEASE Hardware Notes |publisher=The FreeBSD Project |date=January 2004 |website=freebsd.org |access-date=2020-08-31}}</ref> while the remaining 386 support was removed with the 6.0 release in 2005.<ref>{{cite web |url=https://www.freebsd.org/releases/6.0R/relnotes-i386.html |title=FreeBSD/i386 6.0-RELEASE Release Notes |publisher=The FreeBSD Project |date=November 2005 |website=freebsd.org |access-date=2020-08-31}}</ref> [[OpenBSD]] removed 386 support with version 4.2 (2007),<ref>{{cite web |url=https://www.openbsd.org/plus42.html |title=OpenBSD 4.2 Changelog |publisher=The OpenBSD project |date=November 2007 |website=openbsd.org |access-date=2020-08-31}}</ref> [[DragonFly BSD]] with release 1.12 (2008),<ref>{{cite web |url=https://www.dragonflybsd.org/release112/ |title=DragonFly 1.12.0 Release Notes |publisher=The DragonFly Project |date=2008-02-26 |website=dragonflybsd.org |access-date=2020-08-31}}</ref> and [[NetBSD]] with the 5.0 release (2009).<ref>{{cite web |url=https://www.netbsd.org/releases/formal-5/NetBSD-5.0.html |title=Announcing NetBSD 5.0 |publisher=The NetBSD Foundation |date=April 2009 |website=netbsd.org |access-date=2020-08-31}}</ref>