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<sect2 arch="arm" id="boot-tftp"><title>Booting from TFTP</title>
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&boot-installer-intro-net.xml;
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<sect3 arch="arm"><title>Booting from TFTP on NetWinder</title>
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<para>
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NetWinders have two network interfaces: The 10Mbps NE2000-compatible
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card is <filename>eth0</filename> and the 100Mbps Tulip card is
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<filename>eth1</filename>.
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</para><note><para>
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You need NeTTrom 2.2.1 or later to boot the
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installation system. NeTTrom 2.3.3 is recommended: get these files
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from
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<ulink url="ftp://ftp.netwinder.org/pub/netwinder/firmware/"></ulink>:
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<itemizedlist>
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<listitem><para>
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<filename>nettrom-2.3-3.armv4l.rpm</filename>
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</para></listitem>
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<listitem><para>
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<filename>nettrom-2.3.3.bin</filename>
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</para></listitem>
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<listitem><para>
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<filename>nettrom-2.3.3.bin.md5sum</filename>
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</para></listitem>
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</itemizedlist>
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</para></note><para>
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After rebooting and interrupting the boot process during the countdown, you
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must first configure the network either with a static address:
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<informalexample><screen>
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NeTTrom command-> setenv eth0_ip 192.168.0.10/24
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</screen></informalexample>
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where 24 is the number of set bits in the netmask, or a dynamic address:
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<informalexample><screen>
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NeTTrom command-> boot diskless
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</screen></informalexample>
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</para><para>
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You may also need to configure the <userinput>route1</userinput>
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settings if the TFTP
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server is not on the local subnet. The rest of the config is pretty
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standard (the save-all step is optional):
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<informalexample><screen>
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NeTTrom command-> setenv kerntftpserver 192.168.0.1
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NeTTrom command-> setenv kerntftpfile tftpboot.img
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NeTTrom command-> save-all
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NeTTrom command-> setenv netconfig_eth0 flash
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NeTTrom command-> setenv kernconfig tftp
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</screen></informalexample>
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</para><para>
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Only the last two of these interfere with normal disk booting, so it is
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safe to <command>save-all</command> right before it, which will
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store the network settings in case you need to boot from the network
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again. Use the <command>printenv</command> command to review your
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environment settings. Finally, if your <envar>cmdappend</envar>
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NeTTrom variable has the <option>noinitrd</option> option (which is
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necessary to boot 2.4 kernels), you must remove it so the downloaded
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kernel can boot with its attached ramdisk.
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</para>
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</sect3>
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<sect3 arch="arm"><title>Booting from TFTP on CATS</title>
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<para>
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On CATS machines, use <command>boot de0:</command> or similar at the
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Cyclone prompt.
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</para>
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</sect3>
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</sect2>
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<sect2 arch="arm"><title>Booting from CD-ROM</title>
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&boot-installer-intro-cd.xml;
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<para>
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To boot a CD-ROM from the Cyclone console prompt, use the command
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<command>boot cd0:cats.bin</command>
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</para>
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</sect2>
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