How do I do a COLD Reboot on FreeBSD?
rich at math.missouri.edu
Mon Jan 31 14:55:38 PST 2005
According to Bart Silverstrim:
> Warm boots basically just cycle the computer to restart the OS. It's
> just restarting it, and power to the components has been maintained the
> whole time so as far as the computer hardware is concerned nothing
> really happened, just a chunk of memory access and the processor mode
> getting kicked around a bit.
It's been a long time, but it seems to me the byte at
absolute address 0x412 (labelled MFG_TST in the old ibm bios listing)
determines whether the bios does a full POST or not. If that value
is nulled out before the reboot, I think it will do a full POST.
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