Messages in this thread | | | Date | Sun, 4 Jul 1999 02:37:51 -0400 (EDT) | From | "Albert D. Cahalan" <> | Subject | Re: The stability crisis |
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Keith Owens writes: > Dan Hollis <goemon@sasami.anime.net> wrote: >> On Sun, 4 Jul 1999, Keith Owens wrote:
>>> When the kernel is hung, almost all I/O hangs with it. >> >> So figure out a way to keep PC BIOS from mangling ram on hard reset. >> Then dump to swap from lilo or something. > > You have code to do this? The BIOS bit that is, if you know a method > for stopping a BIOS clearing memory that works on a reasonable set of > motherboards then please tell us.
What about the 286-era return to real-mode feature? Since the 286 could not go back to real-mode without a reset, IBM added a way to let software in RAM regain control after a processor reset. You need to write the address of your code into the "CMOS RAM" chip.
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