Update the supported platforms.

2 files changed, 56 insertions, 14 deletions

diff --git a/release/doc/en_US.ISO8859-1/hardware/amd64/proc-amd64.sgml b/release/doc/en_US.ISO8859-1/hardware/amd64/proc-amd64.sgml
index 2c0989a..0c4ec84 100644
--- a/release/doc/en_US.ISO8859-1/hardware/amd64/proc-amd64.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/amd64/proc-amd64.sgml
@@ -4,14 +4,54 @@
 <sect1 id="proc">
   <title>Supported Processors and Motherboards</title>
 
-  <para>&os;/&arch; has supported the &arch.print;
-    (<quote>Hammer</quote>) architecture since mid-2003.  It made its
-    first debut as an experimental release based on &os;
-    5.1-RELEASE.</para>
-
-  <para>As of this writing, this port supports the Athlon64
-    (<quote>Clawhammer</quote>) and Opteron
-    (<quote>Sledgehammer</quote>) machines.  The largest tested
+  <para>Since mid-2003 &os;/&arch; has supported the &arch.print;
+    (<quote>Hammer</quote>) and Intel EM64T architecture,
+    and is now one of the Tier-1 platforms (fully
+    supported architecture), which are expected to be Production
+    Quality with respects to all aspects of the &os; operating system,
+    including installation and development environments.</para>
+
+  <para>Note that there are two names for this architecture,
+    AMD64 (AMD) and Intel EM64T (Extended Memory 64-bit Technology).
+    64-bit mode of the two architectures are almost compatible
+    with each other, and &os;/&arch; should support the both.</para>
+
+  <para>As of this writing, the following processors are
+    supported:</para>
+
+  <itemizedlist>
+    <listitem>
+      <para>AMD Athlon64 (<quote>Clawhammer</quote>).</para>
+    </listitem>
+
+    <listitem>
+      <para>AMD Opteron (<quote>Sledgehammer</quote>).</para>
+    </listitem>
+
+    <listitem>
+      <para>Intel 64-bit Xeon (<quote>Nacona</quote>).
+	This processor is fabricated on 90nm process technology, and operates
+	with 2.80 to 3.60 GHz (FSB 800MHz) and Intel E7520/E7525/E7320 chipsets.</para>
+    </listitem>
+
+    <listitem>
+      <para>Intel Pentium 4 Processor supporting Intel EM64T
+	(<quote>Prescott</quote>).
+	This is fabricated on 90nm process technology,
+	uses FC-LGA775 package, and operates with 3.20F/3.40F/3.60F GHz
+	and Intel 925X Express chipsets.
+	The corresponding S-Spec numbers are SL7L9, SL7L8, SL7LA, SL7NZ, SL7PZ,
+	and SL7PX.  Note that processors marked as 5xx numbers do not support
+	EM64T.</para>
+    </listitem>
+  </itemizedlist>
+
+  <para>Intel EM64T is an extended version of IA-32 (x86) and
+    different from Intel IA-64 (Itanium) architecture, which &os;/ia64
+    supports.  Some Intel's old documentation refers to Intel EM64T as
+    <quote>64-bit extension technology</quote> or <quote>IA-32e</quote>.</para>
+
+  <para>The largest tested
     memory configuration to date is 8GB.  SMP support has been
     recently completed and is reasonably robust.</para>
 
diff --git a/release/doc/en_US.ISO8859-1/readme/article.sgml b/release/doc/en_US.ISO8859-1/readme/article.sgml
index bcea708..1546a0f 100644
--- a/release/doc/en_US.ISO8859-1/readme/article.sgml
+++ b/release/doc/en_US.ISO8859-1/readme/article.sgml
@@ -50,12 +50,14 @@
       <title>About &os;</title>
 
       <para>&os; is an operating system based on 4.4 BSD Lite for
-	Intel, AMD, Cyrix or NexGen <quote>x86</quote> based PC
-	hardware (&i386;), NEC PC-9801/9821 series PCs and compatibles
-	(pc98), DEC/Compaq/HP Alpha computers (alpha), 
-	and &ultrasparc; machines (&sparc64;).  Versions
-	for the IA64 (ia64), &powerpc; (&powerpc;), and AMD
-	<quote>Hammer</quote> (amd64) architectures are currently under
+	DEC/Compaq/HP Alpha/AXP computers (alpha),
+	AMD64 and Intel EM64T based PC hardware (amd64),
+	Intel, AMD, Cyrix or NexGen <quote>x86</quote> based PC hardware (i386),
+	Intel Itanium Processor based computers (ia64),
+	NEC PC-9801/9821 series PCs and compatibles (pc98),
+	and &ultrasparc; machines (sparc64).  Versions
+	for the &powerpc; (powerpc), and &mips; (mips)
+	architectures are currently under
 	development as well.  &os; works with a wide variety of
 	peripherals and configurations and can be used for everything
 	from software development to games to Internet Service