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nightmorph 09/06/13 07:38:31 |
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Modified: gentoo-amd64-faq.xml |
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Log: |
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updated amd64 faq. added a section on differences between amd64 and em64t. included link to source. and rehashed some info from the amd64.g.o project page. hopefully this will clear up confusion. |
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Revision Changes Path |
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1.34 xml/htdocs/doc/en/gentoo-amd64-faq.xml |
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file : http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml?rev=1.34&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml?rev=1.34&content-type=text/plain |
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diff : http://sources.gentoo.org/viewcvs.py/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml?r1=1.33&r2=1.34 |
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Index: gentoo-amd64-faq.xml |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v |
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retrieving revision 1.33 |
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retrieving revision 1.34 |
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diff -u -r1.33 -r1.34 |
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--- gentoo-amd64-faq.xml 24 Apr 2009 17:13:41 -0000 1.33 |
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+++ gentoo-amd64-faq.xml 13 Jun 2009 07:38:31 -0000 1.34 |
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@@ -1,6 +1,6 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> |
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-<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.33 2009/04/24 17:13:41 nightmorph Exp $ --> |
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+<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.34 2009/06/13 07:38:31 nightmorph Exp $ --> |
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|
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<guide link="/doc/en/gentoo-amd64-faq.xml"> |
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<title>Gentoo Linux/AMD64 Frequently Asked Questions</title> |
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@@ -29,8 +29,8 @@ |
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<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> |
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<license/> |
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|
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-<version>1.24</version> |
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-<date>2009-04-24</date> |
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+<version>1.25</version> |
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+<date>2009-06-13</date> |
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|
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<faqindex> |
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<title>Questions</title> |
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@@ -52,14 +52,38 @@ |
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|
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<chapter> |
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<title>Installation</title> |
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+<section id="difference"> |
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+<title>What's the difference between AMD64 and EM64T?</title> |
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+<body> |
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+ |
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+<p> |
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+Both refer to 64-bit processors from AMD (AMD64) and Intel (EM64T). AMD's 64-bit |
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+processors include the Athlon 64, Turion, Neo, Phenom, and Opteron families. Intel's |
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+64-bit processors include the Core2, Celeron, Xeon, and Pentium (all based on |
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+the Core2 architecture). The <uri |
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+link="http://en.wikipedia.org/wiki/Em64t#Intel_64">last few versions</uri> of the |
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+old Pentium 4 and Xeon chips also support EM64T. |
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+</p> |
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+ |
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+<p> |
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+The AMD line of 64-bit processors were released well ahead of Intel's offering. |
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+Therefore, for historical reasons the arch keyword for all x86-64 compatible |
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+architectures is amd64. As such, <e>AMD64</e> is a generic reference to 64-bit |
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+chips, whether AMD or Intel. |
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+</p> |
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+ |
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+</body> |
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+</section> |
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<section id="cflags"> |
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<title>What CFLAGS should I use for AMD64/EM64T?</title> |
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<body> |
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|
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<p> |
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You should use simple <c>CFLAGS</c> to avoid future problems with your system. |
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-Supported <c>CFLAGS</c> are <c>-O2 -march=k8 -pipe</c> for non-EM64T systems and |
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-<c>-O2 -march=nocona -pipe</c> for EM64T systems. |
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+Supported <c>CFLAGS</c> are <c>-O2 -march=k8 -pipe</c> for AMD systems. Intel |
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+Core2-based systems (EM64T) should use <c>-O2 -march=core2 -pipe</c>. If you're |
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+on an old Intel Pentium 4 that supports EM64T, then use <c>-O2 -march=nocona |
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+-pipe</c>. |
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</p> |
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|
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</body> |
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