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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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>load</TITLE
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>eCos Reference Manual</TH
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><HR
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="DOWNLOAD-COMMAND">load</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN3433"
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></A
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><H2
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>Name</H2
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>load&nbsp;--&nbsp;Download programs or data to the RedBoot platform</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN3436"><H2
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>Synopsis</H2
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><P
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><B
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CLASS="COMMAND"
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>load</B
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>  [-v ] [-d ] [-r ] [-m
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           [[xmodem | ymodem] | tftp | disk]
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        ] [-h <TT
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CLASS="REPLACEABLE"
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><I
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> server_IP_address</I
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></TT
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>] [-b <TT
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CLASS="REPLACEABLE"
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><I
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> location</I
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></TT
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>] [-c <TT
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CLASS="REPLACEABLE"
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><I
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> channel</I
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></TT
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>] [<TT
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CLASS="REPLACEABLE"
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><I
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>file_name</I
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></TT
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>]</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3458"
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></A
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><H2
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>Arguments</H2
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN3460"><P
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></P
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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><THEAD
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><TR
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><TH
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Name</TH
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><TH
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Type</TH
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><TH
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Description</TH
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><TH
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Default</TH
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></TR
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></THEAD
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><TBODY
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><TR
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><TD
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WIDTH="25%"
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>-v</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Boolean</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Display a small spinner (indicator)
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while the download is in  progress. This is just for feedback, especially
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during long loads. Note that the option has no effect when using a
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serial download method since it would interfere with the protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>quiet</I
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></SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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VALIGN="TOP"
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>-d</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Boolean</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Decompress data stream (gzip data)</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>non-compressed data</I
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></SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-r</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Boolean</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Raw (or binary) data</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>formatted (S-records, ELF image, etc)</I
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></SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-m tftp</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Transfer data via the network using <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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> protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-m http</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Transfer data via the network using <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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> protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-m xmodem</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Transfer data using <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>X-modem</I
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></SPAN
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> protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-m ymodem</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Transfer data using <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Y-modem</I
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></SPAN
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> protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-m disk</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>&nbsp;</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Transfer data from a local disk.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-h <TT
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CLASS="REPLACEABLE"
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><I
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>server_IP_address</I
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></TT
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></TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Numeric IP or DNS name</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>The IP address of the <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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> or <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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> server.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Value set by <B
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CLASS="COMMAND"
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>ip_address</B
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-b <TT
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CLASS="REPLACEABLE"
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><I
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>location</I
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></TT
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></TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Number</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Address in memory to load the data.  Formatted data streams will have
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an implied load address which this option may override.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Depends on data format</I
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></SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-c <TT
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CLASS="REPLACEABLE"
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><I
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>channel</I
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></TT
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></TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Number</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>Specify which I/O channel to
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use for download.  This option is only supported when using either
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xmodem or ymodem protocol.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Depends on data format</I
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></SPAN
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></TD
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></TR
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><TR
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="REPLACEABLE"
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><I
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>file_name</I
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></TT
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></TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>String</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>The name of the file on the <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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> or <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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>
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server or the local disk. Details of how this is specified for <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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> are
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host-specific. For local disk files, the name must be in <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>disk</I
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></SPAN
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>:
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>filename</I
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></SPAN
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> format. The disk portion must match one of the disk
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names listed by the <B
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CLASS="COMMAND"
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>disks</B
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> command.</TD
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><TD
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WIDTH="25%"
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ALIGN="LEFT"
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VALIGN="TOP"
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>None</I
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></SPAN
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></TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3561"
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></A
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><H2
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>Description</H2
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><P
574 
>The <B
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CLASS="COMMAND"
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>load</B
577 
> command is used to download
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data into the target system. Data can be loaded via a network connection,
579 
using either the <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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> or <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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> protocols, or the console serial connection using the
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X/Y modem protocol. Files may also be loaded directly from local filesystems
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on disk. Files to be downloaded may either be executable images in
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ELF executable program format,
589 
Motorola S-record (SREC)
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format or raw data.
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      </P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3567"
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></A
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><H2
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>Examples</H2
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><P
601 
>Download a Motorola S-record (or ELF) image, using <SPAN
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CLASS="ACRONYM"
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>TFTP</SPAN
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>, specifying the
605 
base memory address.
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<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>RedBoot&#62; <TT
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CLASS="USERINPUT"
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><B
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>load redboot.ROM -b 0x8c400000</B
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></TT
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>
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Address offset = 0x0c400000
621 
Entry point: 0x80000000, address range: 0x80000000-0x8000fe80</PRE
622 
></TD
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></TR
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></TABLE
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>
626 
      </P
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><P
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>Download a Motorola S-record (or ELF) image, using <SPAN
629 
CLASS="ACRONYM"
630 
>HTTP</SPAN
631 
>, specifying the
632 
host [server] address.
633 
<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>RedBoot&#62; <TT
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CLASS="USERINPUT"
643 
><B
644 
>load /redboot.ROM -m HTTP -h 192.168.1.104</B
645 
></TT
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>
647 
Address offset = 0x0c400000
648 
Entry point: 0x80000000, address range: 0x80000000-0x8000fe80</PRE
649 
></TD
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></TR
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></TABLE
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>
653 
      </P
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><P
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>Load an ELF file from /dev/hda1 which should be an EXT2 partition:
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<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>RedBoot&#62; <TT
665 
CLASS="USERINPUT"
666 
><B
667 
>load -mode disk hda1:hello.elf</B
668 
></TT
669 
>
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Entry point: 0x00020000, address range: 0x00020000-0x0002fd70</PRE
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></TD
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></TR
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></TABLE
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>
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      </P
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>Prev</A
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>ip_address</TD
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