ress to which the boot loader should
jump in order to start running the OS.
</UL>

The checksum is a 32-bit unsigned value which, when added to
the other required fields, must have a 32-bit unsigned sum of zero.<P>

<H3>Machine State</H3>

When the boot loader invokes the 32-bit operating system,
the machine must have the following state:<P>

<UL>
<LI>CS must be a 32-bit read/execute code segment with an offset of 0
and a limit of 0xffffffff.
<LI>DS, ES, FS, GS, and SS must be a 32-bit read/write data segme