Bret you are right most of the times, but:
>> Is there a way via the ACPI\s API to tell ACPI to automatically power >> on after power loss AND when the BIOS SETUP does not include such >> setting? > The short answer is no, that is not possible. this option has been available for the last ~30 years. I have no idea if that is related to ACPI, but was available forever as BIOS option. > The point is, it takes two inputs to start a computer booting -- an > external power source and a "power switch" of some sort. Even on a > computer that supports "Wake-On-LAN" (which can be booted through an > Ethernet connection) there are still two inputs - an external power > source and a "switch" (provided through the Ethernet port) to tell > the computer to turn on. But the "switch" always something physical > that comes from outside the computer, not something inside and not > something in software (like the BIOS or ACPI). in any case, the BIOS is waiting for an event to happen to power the computer up. possibly on WAKEON-LAN event. but at least the computer is semi-active. and there is exactly nothing preventing the computer from "on power up, boot the machine in normal way". it's just sloppy BIOS programmers. > There are all sorts of complications that can be added to the > scenario (like Uninterruptible Power Sources or "blade computers" > where you plug a "card with a computer on it" into an industrial > chassis of some sort), but for a "regular" computer the power supply > won't provide the power that the computer needs to start booting > without the two EXTERNAL, PHYSICAL inputs. there is absolutely nothing complicated to have a "on power return, boot computer" option. it used to be the default. Tom _______________________________________________ Freedos-devel mailing list Freedos-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-devel
