I'm not completely certain, but I think I get a GPF whenever trying to output text to the screen once interrupts have been enabled. That is, before calling int 0x19, I can use printf from within rombios.c, and my messages appear. But from anywhere within the int19 code, they don't. I definitely don't see the "Booting from hard drive message". Mike -- Michael David Crawford mdcrawford at gmail dot com GoingWare's Bag of Programming Tricks http://www.goingware.com/tips/ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html