[quote=Maximilium]
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Originally Posted by iggiebee
In my case the "hardware" failsafe is pretty easy. Forgot to mention that I've set the BIOS controlled shutdown at a
Allmost all motherboards won't start if they don't register a cpu fan rpm signal or if the temperature of the CPU if out of range, but, after they boot up, you can actualy disconect the fan and the computer will stay on until it burns with the setings on at the bios (I won a case of beer on a bet I had with a friend, he didnt belive me).
Not all motherboards are the same, the only way to know is testing the motherboard. Not because I can turn on the "jump out of the cliff if CPU gets too hot " option on the bios means the computer actually is going to do that  |
Yes I had exactly this with abit motherboards when I was making my shutoff system. I planned to use the "shutdown if cpu fan fail" setting in the bios but mine was even worse as it didn't even work when enabled on boot up with the fan disconnected. I even tried a stalled connected fan.
I also can't use the bios temp shut down because the lowest it allows is 50C and my CPU would have locked up before it got this hot as it normally runs in the 25C region. Like you I use mbm5 but with shutdown plus to force hibernation, so as hopefully not to lose any work in event of a shutoff. I still think it would be wise to have a hardware based "pull the power if the software hibernation doesn't work" backup, and I'll work on this in the future.