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<HTML
><HEAD
><TITLE
>Example of a boot image.</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
REL="HOME"
HREF="t1.html"><LINK
REL="UP"
TITLE="Draft Net Boot Image Proposal 0.3, June 15, 1997"
HREF="tagged.html"><LINK
REL="PREVIOUS"
TITLE="Boot prom entry points."
HREF="x501.html"><LINK
REL="NEXT"
TITLE="Terms"
HREF="x514.html"></HEAD
><BODY
CLASS="sect1"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
></TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="x501.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>A. Draft Net Boot Image Proposal 0.3, June 15, 1997</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="x514.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="sect1"
><H1
CLASS="sect1"
><A
NAME="AEN510"
></A
>Example of a boot image.</H1
><P
>&#13;Here is an example of how the boot image would look for Linux:

<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>&#13;  0x1B031336,  /* magic number */
  0x4,         /* length of header is 16 bytes, no vendor info */
  0x90000000,  /* location in ds:bx format */
  0x90000200,  /* execute address in cs:ip format */

	       /* 2048 setup.S bytes */
  0x4,	       /* flags, not end, absolute address, 16 bytes this
		  record, no vendor info */
  0x90200,     /* load address - note format */
  0x800,       /* 4 8 512 byte blocks for linux */
  0x800,

	       /* kernel image */
  0x4,	       /* flags, not end, absolute address, 16 bytes this
		  record, no vendor info */
  0x10000,     /* load address - note format */
  0x80000,     /* 512K (this could be shorter */
  0x80000,

	       /* ramdisk for root file system */
  0x04000004,  /* flags = last, absolute address, 16 bytes this
		  record, no vendor info *//
  0x100000,    /* load address - in extended memory */
  0x80000,     /* 512K for instance */
  0x80000,
	       /* Then follows linux specific information */
</PRE
></TD
></TR
></TABLE
>

</P
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><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
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><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="x501.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
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><A
HREF="t1.html"
ACCESSKEY="H"
>Home</A
></TD
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WIDTH="33%"
ALIGN="right"
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><A
HREF="x514.html"
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>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Boot prom entry points.</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="tagged.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
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>Terms</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>