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<!-- retain these comments for translator revision tracking -->
<!-- original version: 35613 untranslated -->
<sect3 arch="mips">
<title><command>arcboot</command>-installer</title>
<para>
The boot loader on SGI machines is <command>arcboot</command>.
It has to be installed on the same hard disk as the kernel (this is done
automatically by the installer). Arcboot supports different configurations
which are set up in <filename>/etc/arcboot.conf</filename>. Each
configuration has a unique name,
the default setup as created by the installer is <quote>linux</quote>.
After arcboot has been installed, the system can be booted from hard disk
by setting some firmware environment variables entering
<informalexample><screen>
<userinput> setenv SystemPartition scsi(<replaceable>scsi</replaceable>)disk(<replaceable>disk</replaceable>)rdisk(0)partition(0)</userinput>
<userinput> setenv OSLoadPartition scsi(<replaceable>scsi</replaceable>)disk(<replaceable>disk</replaceable>)rdisk(0)partition(<replaceable>partnr</replaceable>)</userinput>
<userinput> setenv OSLoader arcboot</userinput>
<userinput> setenv OSLoadFilename <replaceable>config</replaceable></userinput>
<userinput> setenv AutoLoad yes</userinput>
</screen></informalexample>
on the firmware prompt, and then typing <command>boot</command>.
</para>
<variablelist>
<varlistentry>
<term> <replaceable>scsi</replaceable> </term>
<listitem><para>
is the SCSI bus to be booted from, this is <userinput>0</userinput>
for the onboard controllers
</para></listitem>
</varlistentry>
<varlistentry>
<term> <replaceable>disk</replaceable> </term>
<listitem><para>
is the SCSI ID of the hard disk on which <command>arcboot</command> is
installed
</para></listitem>
</varlistentry>
<varlistentry>
<term> <replaceable>partnr</replaceable> </term>
<listitem><para>
is the number of the partition on which
<filename>/etc/arcboot.conf</filename> resides
</para></listitem>
</varlistentry>
<varlistentry>
<term> <replaceable>config</replaceable> </term>
<listitem><para>
is the name of the configuration entry in
<filename>/etc/arcboot.conf</filename>, which is <quote>linux</quote> by
default.
</para></listitem>
</varlistentry>
</variablelist>
</sect3>
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