At 03:10 PM 4/8/2004 -0500, Michael Devore wrote: >I'm not sure FreeDOS can assume HIMEM has the first shot at machine hardware in its >initial state. It certainly doesn't under VMware, which we have do FreeDOS users >running under. Does VMware reset A20 back to known disabled state at startup of >emulation session? What else might be in control of the machine before HIMEM, low >level debuggers or virtual systems? Bochs? Others? Can we assume that they all play >nice and set A20 to a known disabled stated during DOS startup? I don't know, maybe >we can.
Of course, I should say enabled here, rather than disabled. Ultimately, though, the basic question is can we always a assume a known A20 state under all the potentially external to- or pre-HIMEM environments? ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ Freedos-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/freedos-devel
