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Thread: Win 2000 and parallel port
face picon face BY : Olin Lathrop email (remove spam text)

> > Booting is always done in real mode.  This is because it is done by the
> > bios, which is always in real mode.  However, once the booted program
> > control it can do anything it wants, including switching the processor
> > protected mode.  This has nothing to do with whether the machine is
> > from a floppy, hard drive, or anywhere else.
> >
> > So to answer your question, it depends solely on what the booted program
> > does.
> >
> then if i can use and assembeler and set it to protected ode then no probs
> right?

Right, if you are very fluent with the 386 instruction set, understand
exactly how to make a bootable image which switches into protected mode,
know all about the details of the PC architecture to access the various
busses and memory mapping and other "standard" hadrware, and then know how
to program all your devices.

Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, TakeThisOuTolinspamembedinc.com, http://www.embedinc.com

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