* Clarify how to boot PowerMacs from external Firewire and internal

    factory default CD/DVD drives. Closes #378119

1 files changed, 19 insertions, 15 deletions

diff --git a/en/boot-installer/powerpc.xml b/en/boot-installer/powerpc.xml
index ebd27f108..0aeb6ad17 100644
--- a/en/boot-installer/powerpc.xml
+++ b/en/boot-installer/powerpc.xml
@@ -8,34 +8,38 @@
 <para>
 
 Currently, the only &arch-title; subarchitectures that support CD-ROM
-booting are PReP (though not all systems) and New World PowerMacs.
+booting are PReP/CHRP (though not all systems) and New World PowerMacs.
 On PowerMacs, hold the <keycap>c</keycap> key, or else the combination of
 <keycap>Command</keycap>, <keycap>Option</keycap>,
 <keycap>Shift</keycap>, and <keycap>Delete</keycap>
-keys together while booting to boot from the CD-ROM.
+keys together while booting to boot from the factory default CD/DVD drive.
 
 </para><para>
 
-OldWorld PowerMacs will not boot a &debian; CD, because OldWorld
-computers relied on a Mac OS ROM CD boot driver to be present on the CD,
-and a free-software version of this driver is not available. All
-OldWorld systems have floppy drives, so use the floppy drive to launch
-the installer, and then point the installer to the CD for the needed
-files.
+To boot a PowerMac from an external Firewire CD/DVD drive invoke
+Open Firmware prompt first (see <xref linkend="invoking-openfirmware"/>),
+then type
 
-</para><para>
+<informalexample><screen>
+0 &gt; boot fw/node/sbp-2/disk:,\install\yaboot
+</screen></informalexample>
 
-If your system doesn't boot directly from CD-ROM, you can still use
-the CD-ROM to install the system. On NewWorlds, you can also use an
-OpenFirmware command to boot from the CD-ROM manually. Follow the
-instructions in <xref linkend="boot-newworld"/> for booting from
-the hard disk, except use the path to <command>yaboot</command> on the
-CD at the OF prompt, such as
+for an alternative way to boot from the internal factory default CD/DVD 
+drive type
 
 <informalexample><screen>
 0 &gt; boot cd:,\install\yaboot
 </screen></informalexample>
 
+</para><para>
+
+OldWorld PowerMacs will not boot a &debian; CD, because OldWorld
+computers relied on a Mac OS ROM CD boot driver to be present on the CD,
+and a free-software version of this driver is not available. All
+OldWorld systems have floppy drives, so use the floppy drive to launch
+the installer, and then point the installer to the CD for the needed
+files.
+
 </para>
   </sect2>