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[209.85.219.182]) by smtp.gmail.com with ESMTPSA id 3f1490d57ef6-e537cf74da3sm9445057276.54.2025.01.07.03.12.04 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jan 2025 03:12:05 -0800 (PST) Received: by mail-yb1-f182.google.com with SMTP id 3f1490d57ef6-e46ebe19368so19664076276.0 for ; Tue, 07 Jan 2025 03:12:04 -0800 (PST) X-Received: by 2002:a25:c7c7:0:b0:e4d:25c6:c3a5 with SMTP id 3f1490d57ef6-e538c1e78abmr31700858276.2.1736248324414; Tue, 07 Jan 2025 03:12:04 -0800 (PST) List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org MIME-Version: 1.0 References: In-Reply-To: From: Tomek CEDRO Date: Tue, 7 Jan 2025 12:11:54 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Why does the Project distinguish between AMD64 and x86? To: Matt Timpson Cc: "freebsd-questions@FreeBSD.org" Content-Type: multipart/alternative; boundary="0000000000009e6d4c062b1bd0d8" X-Rspamd-Queue-Id: 4YS7fw5SKnz59L3 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] --0000000000009e6d4c062b1bd0d8 Content-Type: text/plain; charset="UTF-8" AMD64 is equal to x86_64 and means 64-bit CPU PC (AMD or Intel). x86 is for 32-bit CPU. 64-bit PC can run 32-bit OS, but not the other way 32-bit PC cannot run 64-bit OS. In addition to that you can fine tune FreeBSD to match your exact CPU but that requires kernel and modules and ports rebuild: https://wiki.freebsd.org/UsingCPUTYPE As simple as that :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info --0000000000009e6d4c062b1bd0d8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
AMD64 is equal to x86_64 and means 64-bit CPU PC (AM= D or Intel).

x86 is for = 32-bit CPU.

64-bit PC ca= n run 32-bit OS, but not the other way 32-bit PC cannot run 64-bit OS.

In addition to that you can = fine tune FreeBSD to match your exact CPU but that requires kernel and modu= les and ports rebuild:

<= a href=3D"https://wiki.freebsd.org/UsingCPUTYPE">https://wiki.freebsd.org/U= singCPUTYPE

As simpl= e as that :-)

-= -
CeDeROM, SQ7MHZ, http://www.to= mek.cedro.info
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