From nobody Thu Dec 21 09:56:33 2023 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Swm6Z2PCvz54bhY for ; Thu, 21 Dec 2023 09:56:38 +0000 (UTC) (envelope-from tml@seiruote.it) Received: from smtpcmd10110.aruba.it (smtpcmd10110.aruba.it [62.149.156.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "Client", Issuer "CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Swm6X35zXz3Vv4 for ; Thu, 21 Dec 2023 09:56:36 +0000 (UTC) (envelope-from tml@seiruote.it) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=aruba.it header.s=a1 header.b="RV0SC6d/"; spf=pass (mx1.freebsd.org: domain of tml@seiruote.it designates 62.149.156.110 as permitted sender) smtp.mailfrom=tml@seiruote.it; dmarc=none Received: from seiruote.it ([10.10.9.173]) by Aruba Outgoing Smtp with ESMTPA id GFn7rVbuF0S9MGFn7rHpMO; Thu, 21 Dec 2023 10:56:33 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1703152593; bh=5h1+vX5hS2B35G0Hu+pz0wxdWMgIKBxhCo7NuZQYBAM=; h=Date:Subject:MIME-Version:Content-Type:From:To; b=RV0SC6d/bqcYXK0Lh8VQrU1t8/7ZZQrwlh/y4nnv6Ud+WNedEzXCgLWeeDWu3rBMQ Wg+W7TpL6o1Jvz/9DVuzAZbPBF5xUFXlgkFg16TNivxzCyVhG6SYTnaYPJojAV5Tyd Nsr2BKSyf/4C1aAygt2V1CTuwwOzqw+Fzz8kj0ihpzx2eT1YayyPnTnj4Fpcrclv2T E0p9HILtv0XiE9SFc9TzA2ktaSDTB9+Rn2+PJBdtEPnKDiEndhrKIwD/N4JdF75abO GqTXOeHlIy8wMBIHj9hD6Eu+W8SB6j3vbC3fvqtWN/RTIZPlGj/ICxtIHqAp8r39Hk uu4SKX8ShDjZg== Date: Thu, 21 Dec 2023 10:56:33 +0100 Message-Id: In-Reply-To: =?iso-8859-1?q?=3CVrwJOGIHsU8bZ1LUp7cIysp9=5FGa3X81RwZ=5FreHJ=5FAHMxh?= =?iso-8859-1?q?Ymwgj8Ar=2Dzzr3pLcCJ0RNaCwL2wMz0oHHrvtoPRr=5FUPBEL8ORs?= =?iso-8859-1?q?uDygdq=2DPpNLk=3D=40protonmail=2Ecom=3E?= References: =?iso-8859-1?q?=3CVrwJOGIHsU8bZ1LUp7cIysp9=5FGa3X81RwZ=5FreHJ=5FAHMxh?= =?iso-8859-1?q?Ymwgj8Ar=2Dzzr3pLcCJ0RNaCwL2wMz0oHHrvtoPRr=5FUPBEL8ORs?= =?iso-8859-1?q?uDygdq=2DPpNLk=3D=40protonmail=2Ecom=3E?= Subject: =?utf-8?b?UmU6IlRoZSBpbnN0YWxsZWQgbG9hZGVyIGlzIGEgYmluYXJ5LCBub3Qg?= =?utf-8?b?YSBmaWxlc3lzdGVtLCBzbyBldmVuIG1pbm9yIGNoYW5nZXMgcmVxdWly?= =?utf-8?b?ZSByZWNvbXBpbGluZy4iIC1HZW9yZ2UgVy4gTHVjYXMgaW4gQWJzb2x1?= =?utf-8?b?dGUgZkJTRA==?= List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 X-Sensitivity: 3 Content-Type: multipart/alternative; boundary="_=__=_XaM3_.1703152593.2A.480421.42.204202.52.42.007.1252772536" Reply-To: tml@seiruote.it From: tml@seiruote.it To: freebsd-questions@freebsd.org X-XaM3-API-Version: 4.2.94 X-TipoRicevuta: completa X-type: 0 X-SenderIP: 2.228.92.132 X-CMAE-Envelope: MS4xfCajMKmoO3Rwm7kRhTS0biS3ENZy1eRsPJ1ZAAR4REvKyn7GiO6qHkeu3Fjl6s+ythM18e0TEGgPNaR0u6DRiT7PXBldoL9PJ9lCxbA0RD1a/0o76XBS yEmCfqh2lc3AG3M8oPZ0FkZY0Vw1ZdZItOpoCHeKK2eBppP8FG9T46n71C4FbvctVSbLR8Rf19nHHQ== X-Spamd-Result: default: False [-1.90 / 15.00]; SUBJ_EXCESS_BASE64(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; R_SPF_ALLOW(-0.20)[+ip4:62.149.156.0/24]; R_DKIM_ALLOW(-0.20)[aruba.it:s=a1]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; ONCE_RECEIVED(0.10)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLYTO_EQ_FROM(0.00)[]; DMARC_NA(0.00)[seiruote.it]; FROM_NO_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[62.149.156.110:from]; HAS_REPLYTO(0.00)[tml@seiruote.it]; ARC_NA(0.00)[]; DWL_DNSWL_NONE(0.00)[aruba.it:dkim]; RCVD_COUNT_ONE(0.00)[1]; DKIM_TRACE(0.00)[aruba.it:+]; TO_DN_NONE(0.00)[]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:31034, ipnet:62.149.128.0/19, country:IT]; RWL_MAILSPIKE_POSSIBLE(0.00)[62.149.156.110:from] X-Rspamd-Queue-Id: 4Swm6X35zXz3Vv4 X-Spamd-Bar: - --_=__=_XaM3_.1703152593.2A.480421.42.204202.52.42.007.1252772536 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable =0A Hi,=0A=0A I think MWL was trying to keep things simple (thanks...= ) but, at the same time, he forewarned readers: loader is a binary, when = you mess with bios-booting you must rebuild it.=0A=0A What's missing he= re is a *footnote*, saying something about how that thing is able to ruin= your day, biting your leg "at a very inconvenient time" (cit.).=0A=0A = Have fun,=0A=0A f=0A=0A Il giorno 18/12/2023 Jop ha scritto:=0A Hel= lo everyone,=0A I have just begun my journey into FreeBSD using George = W. Lucas' Absolute FreeBSD 3rd edition. My question is about chapter 4 St= art Me Up! The Boot Process, page 51.=0A I was befuddled by a statement= he made, likely due to my IT nescience.=0A To my confusion, Lucas stat= es:=0A=0A > A BIOS has all sorts of limitations. The boot loader must= reside in a very specific section of the disk. BIOS can=E2=80=99t boot f= rom disks larger than 2.2TB. The target boot loader must be smaller than = 512KB=E2=80=94huge by 1980=0A=0A >standards, yes, but paltry today. :::= =E2=80=8BThe installed loader is a binary, not a filesystem, so even mino= r changes require recompiling :::.=0A --_=__=_XaM3_.1703152593.2A.480421.42.204202.52.42.007.1252772536 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi,

I think MWL was trying to keep thing= s simple (thanks...) but, at the same time, he forewarned readers: loader= is a binary, when you mess with bios-booting you must rebuild it.
<= div>What's missing here is a *footnote*, saying something about how that = thing is able to ruin your day, biting your leg "at a very inconveni= ent time" (cit.).

Have fun,
f

Il giorno 18/12/2023 Jop ha scritto:
Hello everyone,

I have just begun my journey int= o FreeBSD using George W. Lucas' Absolute FreeBSD 3rd edition.<= /i>=C2=A0My question is about chapter 4 Start Me Up! The Boot P= rocess,=C2=A0page 51.
I was befuddled by a statement he made, li= kely due to my IT nescience.
To my confusion, Lucas states:=C2=A0

=
>=C2=A0A BIOS has all sorts of limitations. The boot lo= ader must reside in a=C2=A0very specific section of the disk. BIOS= can=E2=80=99t boot from disks larger than 2.2TB. The target boot loader = must be smaller than 512KB=E2=80=94huge by 1980
>standards, yes, b= ut paltry today. :::=E2=80=8BThe installed loader is a binary, = not a filesystem, so even minor changes require recompiling :::.=C2=A0

=0A
=0A
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