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<!-- retain these comments for translator revision tracking -->
<!-- $Id$ -->
<sect2 arch="powerpc"><title>CPU, Main Boards, and Video Support</title>
<para>
There are four major supported <emphasis>&architecture;</emphasis>
subarchitectures: PMac (Power-Macintosh), PReP, APUS (Amiga Power-UP
System), and CHRP machines. Each subarchitecture has its own boot
methods. In addition, there are four different kernel flavours,
supporting different CPU variants.
</para><para>
Ports to other <emphasis>&architecture;</emphasis> architectures, such
as the Be-Box and MBX architecture, are underway but not yet supported
by Debian. We may have a 64-bit port in the future.
</para>
<sect3><title>Kernel Flavours</title>
<para>
There are four flavours of the powerpc kernel in Debian, based on the
CPU type:
<variablelist>
<varlistentry>
<term>powerpc</term>
<listitem><para>
Most systems use this kernel flavour, which supports the PowerPC 601,
603, 604, 740, 750, and 7400 processors. All Apple Power Macintosh
systems up to and including the G4 use one of these processors.
</para></listitem>
</varlistentry>
<varlistentry>
<term>power3</term>
<listitem><para>
The POWER3 processor is used in older IBM 64-bit server systems: known
models include the IntelliStation POWER Model 265, the pSeries 610 and
640, and the RS/6000 7044-170, 7043-260, and 7044-270.
</para></listitem>
</varlistentry>
<varlistentry>
<term>power4</term>
<listitem><para>
The POWER4 processor is used in more recent IBM 64-bit server systems:
known models include the pSeries 615, 630, 650, 655, 670, and 690.
</para><para>
The Apple G5 is also based on the POWER4 architecture, and uses this
kernel flavour.
</para></listitem>
</varlistentry>
<varlistentry>
<term>apus</term>
<listitem><para>
This kernel flavour supports the Amiga Power-UP System.
</para></listitem>
</varlistentry>
</variablelist>
</para>
</sect3>
<sect3><title>Power Macintosh (pmac) subarchitecture</title>
<para>
Apple (and briefly a few other manufacturers — Power Computing, for
example) makes a series of Macintosh computers based on the PowerPC
processor. For purposes of architecture support, they are categorized
as NuBus, OldWorld PCI, and NewWorld.
</para><para>
Macintosh computers using the 680x0 series of processors are not in
the PowerPC family but are instead m68k machines. Those models start
with <quote>Mac II</quote> or have a 3-digit model number such as Centris 650
or Quadra 950. Apple's pre-iMac PowerPC model numbers have four digits.
</para><para>
NuBus systems are not currently supported by debian/powerpc. The
monolithic Linux/PPC kernel architecture does not have support for
these machines; instead, one must use the MkLinux Mach microkernel,
which Debian does not yet support. These include the following:
<itemizedlist>
<listitem><para>
Power Macintosh 6100, 7100, 8100
</para></listitem>
<listitem><para>
Performa 5200, 6200, 6300
</para></listitem>
<listitem><para>
Powerbook 1400, 2300, and 5300
</para></listitem>
<listitem><para>
Workgroup Server 6150, 8150, 9150
</para></listitem>
</itemizedlist>
A linux kernel for these machines and limited support is available at
<ulink url="http://nubus-pmac.sourceforge.net/"></ulink>
</para><para>
OldWorld systems are most Power Macintoshes with a floppy drive and a
PCI bus. Most 603, 603e, 604, and 604e based Power Macintoshes are
OldWorld machines. The beige colored G3 systems are also OldWorld.
</para><para>
The so called NewWorld PowerMacs are any PowerMacs in translucent
colored plastic cases. That includes all iMacs, iBooks, G4 systems,
blue colored G3 systems, and most PowerBooks manufactured in and after
1999. The NewWorld PowerMacs are also known for using the <quote>ROM in
RAM</quote> system for MacOS, and were manufactured from mid-1998 onwards.
</para><para>
Specifications for Apple hardware are available at
<ulink url="http://www.info.apple.com/support/applespec.html">AppleSpec</ulink>,
and, for older hardware,
<ulink url="http://www.info.apple.com/support/applespec.legacy/index.html">AppleSpec Legacy</ulink>.
</para><para>
<informaltable>
<tgroup cols="3">
<colspec colname="c1"/>
<colspec colname="c2"/>
<colspec colname="c3"/>
<thead>
<row>
<entry namest="c1" nameend="c2">Model Name/Number</entry>
<entry>Generation</entry>
</row>
</thead>
<tbody>
<row>
<entry morerows="22">Apple</entry>
<entry>iMac Bondi Blue, 5 Flavors, Slot Loading</entry>
<entry>NewWorld</entry>
</row><row>
<entry>iMac Summer 2000, Early 2001</entry>
<entry>NewWorld</entry>
</row><row>
<entry>iMac G5</entry>
<entry>NewWorld</entry>
</row><row>
<entry>iBook, iBook SE, iBook Dual USB</entry>
<entry>NewWorld</entry>
</row><row>
<entry>iBook2</entry>
<entry>NewWorld</entry>
</row><row>
<entry>iBook G4</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Power Macintosh Blue and White (B&W) G3</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Power Macintosh G4 PCI, AGP, Cube</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Power Macintosh G4 Gigabit Ethernet</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Power Macintosh G4 Digital Audio, Quicksilver</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Power Macintosh G5</entry>
<entry>NewWorld</entry>
</row><row>
<entry>PowerBook G3 FireWire Pismo (2000)</entry>
<entry>NewWorld</entry>
</row><row>
<entry>PowerBook G3 Lombard (1999)</entry>
<entry>NewWorld</entry>
</row><row>
<entry>PowerBook G4 Titanium</entry>
<entry>NewWorld</entry>
</row><row>
<entry>PowerBook G4 Aluminum</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Xserve G5</entry>
<entry>NewWorld</entry>
</row><row>
<entry>Performa 4400, 54xx, 5500</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Performa 6360, 6400, 6500</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh 4400, 5400</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh 7200, 7300, 7500, 7600</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh 8200, 8500, 8600</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh 9500, 9600</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh (Beige) G3 Minitower</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Power Macintosh (Beige) Desktop, All-in-One</entry>
<entry>OldWorld</entry>
</row><row>
<entry>PowerBook 2400, 3400, 3500</entry>
<entry>OldWorld</entry>
</row><row>
<entry>PowerBook G3 Wallstreet (1998)</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Twentieth Anniversary Macintosh</entry>
<entry>OldWorld</entry>
</row><row>
<entry>Workgroup Server 7250, 7350, 8550, 9650, G3</entry>
<entry>OldWorld</entry>
</row>
<row>
<entry morerows="1">Power Computing</entry>
<entry>PowerBase, PowerTower / Pro, PowerWave</entry>
<entry>OldWorld</entry>
</row><row>
<entry>PowerCenter / Pro, PowerCurve</entry>
<entry>OldWorld</entry>
</row>
<row>
<entry>UMAX</entry>
<entry>C500, C600, J700, S900</entry>
<entry>OldWorld</entry>
</row>
<row>
<entry>APS</entry>
<entry>APS Tech M*Power 604e/2000</entry>
<entry>OldWorld</entry>
</row>
<row>
<entry>Motorola</entry>
<entry>Starmax 3000, 4000, 5000, 5500</entry>
<entry>OldWorld</entry>
</row>
</tbody></tgroup></informaltable>
</para>
</sect3>
<sect3><title>PReP subarchitecture</title>
<para>
<informaltable>
<tgroup cols="2">
<colspec colname="c1"/>
<colspec colname="c2"/>
<thead>
<row>
<entry namest="c1" nameend="c2">Model Name/Number</entry>
</row>
</thead>
<tbody>
<row>
<entry morerows="4">Motorola</entry>
<entry>Firepower, PowerStack Series E, PowerStack II</entry>
</row><row>
<entry>MPC 7xx, 8xx</entry>
</row><row>
<entry>MTX, MTX+</entry>
</row><row>
<entry>MVME2300(SC)/24xx/26xx/27xx/36xx/46xx</entry>
</row><row>
<entry>MCP(N)750</entry>
</row>
<row>
<entry morerows="3">IBM RS/6000</entry>
<entry>40P, 43P</entry>
</row><row>
<entry>Power 830/850/860 (6070, 6050)</entry>
</row><row>
<entry>6030, 7025, 7043</entry>
</row><row>
<entry>p640</entry>
</row>
</tbody></tgroup></informaltable>
</para>
</sect3>
<sect3><title>CHRP subarchitecture</title>
<para>
<informaltable>
<tgroup cols="2">
<colspec colname="c1"/>
<colspec colname="c2"/>
<thead>
<row>
<entry namest="c1" nameend="c2">Model Name/Number</entry>
</row>
</thead>
<tbody>
<row>
<entry>IBM RS/6000</entry>
<entry>B50, 43P-150, 44P</entry>
</row>
<row>
<entry>Genesi</entry>
<entry>Pegasos I, Pegasos II</entry>
</row>
</tbody></tgroup></informaltable>
</para>
</sect3>
<sect3><title>APUS subarchitecture</title>
<para>
<informaltable>
<tgroup cols="2">
<colspec colname="c1"/>
<colspec colname="c2"/>
<thead>
<row>
<entry namest="c1" nameend="c2">Model Name/Number</entry>
</row>
</thead>
<tbody>
<row>
<entry>Amiga Power-UP Systems (APUS)</entry>
<entry>A1200, A3000, A4000</entry>
</row>
</tbody></tgroup></informaltable>
</para>
</sect3>
</sect2>
|
