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<title>Installing and Using FreeBSD With Other Operating Systems</title>

<title>Installing and Using FreeBSD With Other Operating Systems</title>

<authorgroup>

<authorgroup>

<email>rhh@ct.picker.com</email>, and Jordan K. Hubbard

<email>rhh@ct.picker.com</email>, and Jordan K. Hubbard

<email>jkh@time.cdrom.com</email></para></abstract>

<email>jkh@time.cdrom.com</email></para></abstract>

<title>Overview</title>

<title>Overview</title>

<para>Most people can't fit these operating systems together

<para>Most people can't fit these operating systems together

called  Partition Magic, which lets you size and delete partitions

called  Partition Magic, which lets you size and delete partitions

without consequence.</para>

without consequence.</para>

<title>Overview of Boot Managers</title>

<title>Overview of Boot Managers</title>

<para>These are just brief descriptions of some of the different boot

<para>These are just brief descriptions of some of the different boot

FAT32 also modifies the traditional FAT boot sector and allocation

FAT32 also modifies the traditional FAT boot sector and allocation

table, making it incompatible with some boot managers.</para></note>

table, making it incompatible with some boot managers.</para></note>

<title>A Typical Installation</title>

<title>A Typical Installation</title>

<para>Let's say I have two large EIDE hard drives, and I want to

<para>Let's say I have two large EIDE hard drives, and I want to

</procedure>

</procedure>

<title>Special Considerations</title>

<title>Special Considerations</title>

<para>Most operating systems are very picky about where and how they are

<para>Most operating systems are very picky about where and how they are

as FAT).  Linux can read and write to most file systems.  Got that? 

as FAT).  Linux can read and write to most file systems.  Got that? 

I hope so.</para>

I hope so.</para>

<title>Examples</title>

<title>Examples</title>

<para><emphasis>(section needs work, please send your example to

<para><emphasis>(section needs work, please send your example to

<para>FreeBSD+Linux+Win95:  (see <xref linkend="ch3">)</para>

<para>FreeBSD+Linux+Win95:  (see <xref linkend="ch3">)</para>

<title>Other Sources of Help</title>

<title>Other Sources of Help</title>

<para>There are many <ulink

<para>There are many <ulink

procedure, available in the kernel source distribution (it unpacks to 

procedure, available in the kernel source distribution (it unpacks to 

<ulink URL="file:/usr/src/sys/i386/boot/biosboot/README.386BSD">file:/usr/src/sys/i386/boot/biosboot/README.386BSD</ulink>.</para>

<ulink URL="file:/usr/src/sys/i386/boot/biosboot/README.386BSD">file:/usr/src/sys/i386/boot/biosboot/README.386BSD</ulink>.</para>

<title>Technical Details</title>

<title>Technical Details</title>

<para><emphasis>(Contributed by Randall Hopper,

<para><emphasis>(Contributed by Randall Hopper,

unfamiliar and then start reading.</para>

unfamiliar and then start reading.</para>

<title>Disk Primer</title>

<title>Disk Primer</title>

<para>Three fundamental terms are used to describe the location of

<para>Three fundamental terms are used to describe the location of

<para>Ok, enough terminology.  We're talking about booting

<para>Ok, enough terminology.  We're talking about booting

here.</para>

here.</para>

<title>The Booting Process</title>

<title>The Booting Process</title>

<para>On the first sector of your disk (Cyl 0, Head 0, Sector 1)

<para>On the first sector of your disk (Cyl 0, Head 0, Sector 1)

the first probed disk.  The boot manager you will install will be hooked into

the first probed disk.  The boot manager you will install will be hooked into

the MBR on this first probed hard disk that we've just described.</para>

the MBR on this first probed hard disk that we've just described.</para>

<title>Booting Limitations and Warnings</title>

<title>Booting Limitations and Warnings</title>

<para>Now the interesting stuff that you need to watch out for.</para>

<para>Now the interesting stuff that you need to watch out for.</para>

<title>The dreaded 1024 cylinder limit and how BIOS LBA helps</title>

<title>The dreaded 1024 cylinder limit and how BIOS LBA helps</title>

<para>The first part of the booting process is all done through the

<para>The first part of the booting process is all done through the

FreeBSD existing on one of my hard disks above the 1024th physical

FreeBSD existing on one of my hard disks above the 1024th physical

cylinder, and both operating systems boot fine, thanks to BIOS LBA).</para>

cylinder, and both operating systems boot fine, thanks to BIOS LBA).</para>

<title>Boot Managers and Disk Allocation</title>

<title>Boot Managers and Disk Allocation</title>

<para>Another gotcha to watch out when installing boot managers is

<para>Another gotcha to watch out when installing boot managers is

</itemizedlist>

</itemizedlist>

</para>

</para>

<title>What if your machine won't boot?</title>

<title>What if your machine won't boot?</title>

<para>At some point when installing boot managers, you might leave the

<para>At some point when installing boot managers, you might leave the

then boot DOS (and DOS only) off the hard drive.  Alternatively, just

then boot DOS (and DOS only) off the hard drive.  Alternatively, just

re-run your boot manager installation program off a bootable floppy.</para>

re-run your boot manager installation program off a bootable floppy.</para>

</sect2>

</sect2>

</sect1>

</sect1>