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1<?xml version="1.0" encoding="iso-8859-1"?>
2<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN"
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4<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent">
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8]>
9<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
10 <info><title>&os; &release.current; Hardware Notes</title>
11
12
13 <author><orgname>The &os; Documentation Project</orgname></author>
14
1<?xml version="1.0" encoding="iso-8859-1"?>
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9<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
10 <info><title>&os; &release.current; Hardware Notes</title>
11
12
13 <author><orgname>The &os; Documentation Project</orgname></author>
14
15 <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/hardware/article.xml 257814 2013-11-07 21:08:12Z gjb $</pubdate>
15 <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/hardware/article.xml 258493 2013-11-23 01:20:17Z rodrigc $</pubdate>
16
17 <copyright>
18 <year>2000</year>
19 <year>2001</year>
20 <year>2002</year>
21 <year>2003</year>
22 <year>2004</year>
23 <year>2005</year>

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173 expansion bus used in the IBM PS/2 line of PCs.</para>
174
175 <para>Symmetric multi-processor (SMP) systems are generally
176 supported by &os;, although in some cases, BIOS or motherboard
177 bugs may generate some problems. Perusal of the archives of
178 the &a.smp; may yield some clues.</para>
179
180 <para>&os; will take advantage of HyperThreading (HTT) support
16
17 <copyright>
18 <year>2000</year>
19 <year>2001</year>
20 <year>2002</year>
21 <year>2003</year>
22 <year>2004</year>
23 <year>2005</year>

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173 expansion bus used in the IBM PS/2 line of PCs.</para>
174
175 <para>Symmetric multi-processor (SMP) systems are generally
176 supported by &os;, although in some cases, BIOS or motherboard
177 bugs may generate some problems. Perusal of the archives of
178 the &a.smp; may yield some clues.</para>
179
180 <para>&os; will take advantage of HyperThreading (HTT) support
181 on &intel; CPUs that support this feature. A kernel with the
182 <literal>options&nbsp;SMP</literal> feature enabled will
183 automatically detect the additional logical processors. The
181 on &intel; CPUs that support this feature. The
184 default &os; scheduler treats the logical processors the same
185 as additional physical processors; in other words, no attempt
186 is made to optimize scheduling decisions given the shared
187 resources between logical processors within the same CPU.
188 Because this naive scheduling can result in suboptimal
189 performance, under certain circumstances it may be useful to
190 disable the logical processors with the
191 <varname>machdep.hyperthreading_allowed</varname> tunable.

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298 expansion bus (110pin), and PCI bus are supported. New Extend
299 Standard Architecture (NESA) bus (used in PC-H98, SV-H98, and
300 FC-H98 series) is not supported.</para>
301 </sect2>
302
303 <sect2 xml:id="proc-powerpc">
304 <title>powerpc</title>
305
182 default &os; scheduler treats the logical processors the same
183 as additional physical processors; in other words, no attempt
184 is made to optimize scheduling decisions given the shared
185 resources between logical processors within the same CPU.
186 Because this naive scheduling can result in suboptimal
187 performance, under certain circumstances it may be useful to
188 disable the logical processors with the
189 <varname>machdep.hyperthreading_allowed</varname> tunable.

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296 expansion bus (110pin), and PCI bus are supported. New Extend
297 Standard Architecture (NESA) bus (used in PC-H98, SV-H98, and
298 FC-H98 series) is not supported.</para>
299 </sect2>
300
301 <sect2 xml:id="proc-powerpc">
302 <title>powerpc</title>
303
306 <para>This section describes the systems currently known to be
307 supported by &os; on the PowerPC platform. This list is not
308 exhaustive.</para>
304 <para>All Apple PowerPC machines with built-in USB are supported,
305 as well a limited selection of non-Apple machines,
306 including KVM on POWER7</para>
309
307
310 <para>In general, all New World architecture Apple hardware
311 is supported, as well a limited selection of non-Apple
312 machines.</para>
313
314 <para>All systems listed below are fully supported, with the
315 exception that software fan control is currently missing on
316 some Power Macintosh G5 models. SMP is supported on all systems
317 with more than 1 processor.</para>
318
319 <itemizedlist>
320 <listitem>
321 <para>Apple iMac G3</para>
322 </listitem>
323 <listitem>
324 <para>Apple iMac G4</para>
325 </listitem>
326 <listitem>
327 <para>Apple iMac G5</para>
328 </listitem>
329 <listitem>
330 <para>Apple Power Macintosh G3 (Blue &amp; White)</para>
331 </listitem>
332 <listitem>
333 <para>Apple Power Macintosh G4</para>
334 </listitem>
335 <listitem>
336 <para>Apple Power Macintosh G5</para>
337 </listitem>
338 <listitem>
339 <para>Apple iBook G3</para>
340 </listitem>
341 <listitem>
342 <para>Apple iBook G4</para>
343 </listitem>
344 <listitem>
345 <para>Apple PowerBook G3 (Lombard and Pismo)</para>
346 </listitem>
347 <listitem>
348 <para>Apple PowerBook G4</para>
349 </listitem>
350 <listitem>
351 <para>Apple XServe G4</para>
352 </listitem>
353 <listitem>
354 <para>Apple XServe G5</para>
355 </listitem>
356 <listitem>
357 <para>Apple Mac Mini</para>
358 </listitem>
359 <listitem>
360 <para>Embedded boards based on MPC85XX</para>
361 </listitem>
362 </itemizedlist>
308 <para>SMP is supported on all systems with more than
309 1 processor.</para>
363 </sect2>
364
365 <sect2 xml:id="proc-sparc64">
366 <title>sparc64</title>
367
368 <para>This section describes the systems currently known to be
369 supported by &os; on the Fujitsu &sparc64; and Sun &ultrasparc;
310 </sect2>
311
312 <sect2 xml:id="proc-sparc64">
313 <title>sparc64</title>
314
315 <para>This section describes the systems currently known to be
316 supported by &os; on the Fujitsu &sparc64; and Sun &ultrasparc;
370 platforms. For
371 background information on the various hardware designs see the
372 <link xlink:href="http://sunsolve.sun.com/handbook_pub/">Sun System
373 Handbook</link>.</para>
317 platforms.</para>
374
375 <para>SMP is supported on all systems with more than 1
376 processor.</para>
377
378 <para>When using the <filename>GENERIC</filename> kernel,
379 &os;/&arch.sparc64; systems not equipped with a framebuffer
380 supported by the &man.creator.4; (Sun Creator, Sun Creator3D
381 and Sun Elite3D) or &man.machfb.4; (Sun PGX and Sun PGX64

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319 <para>SMP is supported on all systems with more than 1
320 processor.</para>
321
322 <para>When using the <filename>GENERIC</filename> kernel,
323 &os;/&arch.sparc64; systems not equipped with a framebuffer
324 supported by the &man.creator.4; (Sun Creator, Sun Creator3D
325 and Sun Elite3D) or &man.machfb.4; (Sun PGX and Sun PGX64

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