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