Add supported processors and motherboards sections from the MD
hardware notes documents in */proc-*.sgml.
This commit is contained in:
Bruce A. Mah
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@ -54,6 +54,384 @@
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</sect1>
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<sect1 id="proc">
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<title>Supported Processors and System Boards</title>
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<para>This section provides some architecture-specific information
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about the specific processors and systems that are supported by
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each architecture.</para>
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<sect2 id="proc-amd64">
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<title>amd64</title>
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<para>Since mid-2003 &os;/&arch.amd64; has supported the AMD64
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(<quote>Hammer</quote>) and Intel EM64T architecture,
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and is now one of the Tier-1 platforms (fully
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supported architecture), which are expected to be Production
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Quality with respects to all aspects of the &os; operating system,
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including installation and development environments.</para>
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<para>Note that there are two names for this architecture,
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AMD64 (AMD) and Intel EM64T (Extended Memory 64-bit Technology).
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64-bit mode of the two architectures are almost compatible
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with each other, and &os;/&arch.amd64; should support them both.</para>
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<para>As of this writing, the following processors are
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supported:</para>
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<itemizedlist>
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<listitem>
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<para>AMD Athlon64 (<quote>Clawhammer</quote>).</para>
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</listitem>
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<listitem>
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<para>AMD Opteron (<quote>Sledgehammer</quote>).</para>
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</listitem>
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<listitem>
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<para>Intel 64-bit Xeon (<quote>Nacona</quote>).
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This processor is fabricated on 90nm process technology, and operates
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with 2.80 to 3.60 GHz (FSB 800MHz) and Intel E7520/E7525/E7320 chipsets.</para>
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</listitem>
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<listitem>
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<para>Intel Pentium 4 Processor supporting Intel EM64T
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(<quote>Prescott</quote>).
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This is fabricated on 90nm process technology,
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uses FC-LGA775 package, and operates with 3.20F/3.40F/3.60F GHz
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and Intel 925X Express chipsets.
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The corresponding S-Spec numbers are SL7L9, SL7L8, SL7LA, SL7NZ, SL7PZ,
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and SL7PX. Note that processors marked as 5xx numbers do not support
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EM64T.</para>
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</listitem>
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</itemizedlist>
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<para>Intel EM64T is an extended version of IA-32 (x86) and
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different from Intel IA-64 (Itanium) architecture, which &os;/ia64
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supports. Some Intel's old documentation refers to Intel EM64T as
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<quote>64-bit extension technology</quote> or <quote>IA-32e</quote>.</para>
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<para>The largest tested
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memory configuration to date is 8GB. SMP support has been
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recently completed and is reasonably robust.</para>
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<para>In many respects, &os;/&arch.amd64; is similar to &os;/&arch.i386;, in
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terms of drivers supported. There may be some issues with 64-bit
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cleanliness in some (particularly older) drivers. Generally,
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drivers that already function correctly on other 64-bit platforms
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should work.</para>
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<para>&os;/&arch.amd64; is a very young platform on &os;. While the
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core &os; kernel and base system components are generally
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fairly robust, there are likely to still be rough edges,
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particularly with third party packages.</para>
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</sect2>
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<sect2 id="proc-i386">
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<title>i386</title>
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<para>&os;/&arch.i386; runs on a wide variety of <quote>IBM PC
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compatible</quote> machines. Due to the wide range of hardware
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available for this architecture, it is impossible to exhaustively
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list all combinations of equipment supported by &os;.
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Nevertheless, some general guidelines are presented here.</para>
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<para>Almost all i386-compatible processors with a floating point unit
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are supported. All
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Intel processors beginning with the 80486 are supported, including
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the 80486, Pentium, Pentium Pro, Pentium II, Pentium III,
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Pentium 4, and variants thereof, such as the Xeon and Celeron
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processors. All i386-compatible AMD
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processors are also supported, including the Am486, Am5x86, K5, K6
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(and variants), Athlon (including Athlon-MP, Athlon-XP, Athlon-4,
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and Athlon Thunderbird), and Duron processors. The AMD
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Élan SC520 embedded processor is supported. The Transmeta
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Crusoe is recognized and supported, as are i386-compatible
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processors from Cyrix and NexGen.</para>
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<para>There is a wide variety of motherboards available for this
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architecture. Motherboards using the ISA, VLB, EISA, AGP, and PCI
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expansion busses are well-supported. There is some limited
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support for the MCA (<quote>MicroChannel</quote>) expansion bus
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used in the IBM PS/2 line of PCs.</para>
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<para>Symmetric multi-processor (SMP) systems are generally
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supported by &os;, although in some cases, BIOS or motherboard
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bugs may generate some problems. Perusal of the archives of the
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&a.smp; may yield some clues.</para>
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<para>&os; will take advantage of HyperThreading (HTT) support on
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Intel CPUs that support this feature. A kernel with the
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<literal>options SMP</literal> feature enabled will
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automatically detect the additional logical processors. The
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default &os; scheduler treats the logical processors the same as
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additional physical processors; in other words, no attempt is made
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to optimize scheduling decisions given the shared resources
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between logical processors within the same CPU. Because this
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naive scheduling can result in suboptimal performance, under
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certain circumstances it may be useful to disable the logical
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processors with the
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the <varname>machdep.hlt_logical_cpus</varname> sysctl variable.
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It is also possible to halt any CPU in the idle loop with the
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<varname>machdep.hlt_cpus</varname> sysctl variable. The
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&man.smp.4; manual page has more details.</para>
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<para>&os; will take advantage of Physical Address Extensions (PAE)
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support on CPUs that support this feature. A kernel with the
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<literal>PAE</literal> feature enabled will detect memory above
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4 gigabytes and allow it to be used by the system. This feature
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places constraints on the device drivers and other features of
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&os; which may be used; consult the &man.pae.4; manpage for more
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details.</para>
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<para>&os; will generally run on i386-based laptops, albeit with
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varying levels of support for certain hardware features such as
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sound, graphics, power management, and PCCARD expansion slots.
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These features tend to vary in idiosyncratic ways between
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machines, and frequently require special-case support in &os; to
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work around hardware bugs or other oddities. When in doubt, a
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search of the archives of the &a.mobile; may be useful.</para>
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<para>Most modern laptops (as well as many desktops) use the
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Advanced Configuration and Power Management (ACPI) standard. &os;
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supports ACPI via the ACPI Component Architecture reference
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implementation from Intel, as described in the &man.acpi.4; manual
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page. The use of ACPI causes instabilities on some machines and it
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may be necessary to disable the ACPI driver, which is normally
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loaded via a kernel module. This may be accomplished by adding
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the following line to <filename>/boot/device.hints</filename>:</para>
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<programlisting>hint.acpi.0.disabled="1"</programlisting>
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<para>Users debugging ACPI-related problems may find it useful to
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disable portions of the ACPI functionality. The &man.acpi.4;
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manual page has more information on how to do this via loader
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tunables.</para>
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<para>ACPI depends on a Differentiated System Descriptor Table
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(DSDT) provided by each machine's BIOS. Some machines have bad or
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incomplete DSDTs, which prevents ACPI from functioning correctly.
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Replacement DSDTs for some machines can be found at the <ulink
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url="http://acpi.sourceforge.net/dsdt/index.php">DSDT</ulink>
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section of the <ulink
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url="http://acpi.sourceforge.net/">ACPI4Linux</ulink> project Web
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site. &os; can use these DSDTs to override the DSDT provided by
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the BIOS; see the &man.acpi.4; manual page for more
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information.</para>
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</sect2>
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<sect2 id="proc-ia64">
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<title>ia64</title>
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<para>Currently supported processors are the
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<ulink url="http://people.freebsd.org/~marcel/refs/ia64/itanium/24532003.pdf">
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Itanium</ulink> and the
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<ulink url="http://people.freebsd.org/~marcel/refs/ia64/itanium2/25111003.pdf">
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Itanium 2</ulink>.</para>
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<para>Supported chipsets include:</para>
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<itemizedlist>
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<listitem>
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<para>HP zx1</para>
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</listitem>
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<listitem>
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<para>Intel 460GX</para>
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</listitem>
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<listitem>
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<para>Intel E8870</para>
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</listitem>
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</itemizedlist>
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<para>Both Uniprocessor (UP) and Symmetric Multi-processor (SMP)
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configurations are supported.</para>
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<sect3>
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<title>Supported Devices Overview</title>
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<para>Most devices that can be found in or are compatible with
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&arch.ia64; machines are fully supported. The notable exception
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is the VGA console. The &os; support for VGA consoles is at
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this time too much based on PC hardware and not all &arch.ia64;
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machines have chipsets that provide sufficient PC legacy
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support. As such &man.syscons.4; can not be enabled and the
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use of a serial console is required.</para>
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</sect3>
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</sect2>
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<sect2 id="proc-pc98">
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<title>pc98</title>
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<para>NEC PC-9801/9821 series with almost all i386-compatible processors,
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including 80486, Pentium, Pentium Pro, Pentium II, and variants.
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All i386-compatible processors by AMD, Cyrix, IBM, and IDT
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are also supported.</para>
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<para>NEC FC-9801/9821 series, and NEC SV-98 series
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(both of them are compatible with PC-9801/9821 series)
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should be supported.</para>
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<para>EPSON PC-386/486/586 series, which are
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compatible with NEC PC-9801 series are supported.</para>
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<para>High-resolution mode is not supported.
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NEC PC-98XA/XL/RL/XL^2, and NEC PC-H98 series
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are supported in normal (PC-9801 compatible) mode only.</para>
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<para>Although there are some multi-processor systems
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(such as Rs20/B20), SMP-related features of &os;
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are not supported yet.</para>
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<para>PC-9801/9821 standard bus (called C-Bus),
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PC-9801NOTE expansion bus (110pin),
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and PCI bus are supported.
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New Extend Standard Architecture (NESA) bus
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(used in PC-H98, SV-H98, and FC-H98 series) is not supported.</para>
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</sect2>
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<sect2 id="proc-powerpc">
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<title>powerpc</title>
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<para>The information for this paragraph has yet to be compiled.</para>
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</sect2>
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<sect2 id="proc-sparc64">
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<title>sparc64</title>
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<para>This section describes the systems currently known to be supported
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by &os; on the UltraSPARC platform. For background information on the
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various hardware designs see the <ulink url="http://sunsolve.sun.com/handbook_pub/">Sun System Handbook</ulink>.</para>
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<para>SMP is supported on all systems with more than 1 processor.</para>
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<para>If you have a system that is not listed here, it may not have
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been tested with &os; &release.current;. We encourage you to
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try it and send a note to the &a.sparc; with your results,
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including which devices work and which do not.</para>
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<sect3>
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<title>Fully Supported Systems</title>
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<para>The following systems are fully supported by &os;.</para>
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<itemizedlist>
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<listitem>
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<para>Blade 100</para>
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</listitem>
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<listitem>
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<para>Blade 150</para>
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</listitem>
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<listitem>
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<para>Enterprise 220R</para>
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</listitem>
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<listitem>
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<para>Enterprise 250</para>
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</listitem>
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<listitem>
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<para>Enterprise 420R</para>
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</listitem>
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<listitem>
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<para>Enterprise 450</para>
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</listitem>
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<listitem>
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<para>Fire V100</para>
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</listitem>
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<listitem>
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<para>Fire V120</para>
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</listitem>
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<listitem>
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<para>Netra t1 105</para>
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</listitem>
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<listitem>
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<para>Netra T1 AC200/DC200</para>
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</listitem>
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<listitem>
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<para>Netra t 1100</para>
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</listitem>
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<listitem>
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<para>Netra t 1120</para>
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</listitem>
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<listitem>
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<para>Netra t 1125</para>
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</listitem>
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<listitem>
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<para>Netra t 1400/1405</para>
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</listitem>
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<listitem>
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<para>Netra 120</para>
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</listitem>
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<listitem>
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<para>Netra X1</para>
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</listitem>
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<listitem>
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<para>SPARCEngine Ultra AXi</para>
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</listitem>
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<listitem>
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<para>SPARCEngine Ultra AXmp</para>
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</listitem>
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<listitem>
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<para>Ultra 1 (serial console)</para>
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</listitem>
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<listitem>
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<para>Ultra 1E</para>
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</listitem>
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<listitem>
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<para>Ultra 2</para>
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</listitem>
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<listitem>
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<para>Ultra 5</para>
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</listitem>
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<listitem>
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<para>Ultra 10</para>
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</listitem>
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<listitem>
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<para>Ultra 30</para>
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</listitem>
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<listitem>
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<para>Ultra 60</para>
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</listitem>
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<listitem>
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<para>Ultra 80</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Partially Supported Systems</title>
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<para>The following systems are partially supported by &os;. In particular
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the onboard scsi controller in sbus systems is not supported.</para>
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<itemizedlist>
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<listitem>
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<para>Enterprise 3500</para>
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</listitem>
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<listitem>
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<para>Enterprise 4500</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Unsupported Systems</title>
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<para>The following systems are not supported by &os;. This may be due
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to lack of processor support (UltraSPARC III), due to a quirk in the
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system design that makes &os; unstable, or due to lack of support for
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sufficient onboard devices to make &os; generally useful.</para>
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<itemizedlist>
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<listitem>
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<para>All systems containing UltraSPARC III processor(s).</para>
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</listitem>
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</itemizedlist>
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</sect3>
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</sect2>
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</sect1>
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<!--
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The "Supported Devices" section of the release notes.
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