Date: Thu, 21 Jun 2007 15:48:16 +0000 From: m0rchand@comcast.net (Tom Marchand) To: questions@FreeBSD.org, doc@FreeBSD.org Subject: Re: Doubt on the information provided in freebsd.org website. Message-ID: <062120071548.885.467A9DC00004499F0000037522069984990B020E080C9DCF03@comcast.net>
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Acoording to this: http://en.wikipedia.org/wiki/BIOS_Interrupt_Calls Int 19h is used to load the OS. -------------- Original message ---------------------- From: V.SriSaiGanesh <sai.engrsai@gmail.com> > Hi All, > > I was going through the Architecture Handbook(Link: > http://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/boot-bios.html). > In this page they have mentioned following phrase "The very last thing in > the POST is the INT 0x19 instruction. That instruction reads 512 bytes from > the first sector of boot device into the memory at address 0x7c00". AFAIK > INT0x19 is a reboot service. So I got confused. Can somebody clarify my > doubt on INT0x19 (reboot or bootstraping) > > Thanks and Regards, > SaiGanesh > > -- > ---------------------------------------------------------- > "Debugging is twice as hard as writing the code in the first place. > Therefore, if you write the code as cleverly as possible, you are, > by definition, not smart enough to debug it." - Brian W. Kernighan > -------------------------------------------------------------- > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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