> [[ cc trimmed ]]
>
> S4 state is the lowest power, longest wakeup latency state supported
> by acpi. In this state all devices are powered down. The OS context
> is preserved. That's how it is different from the G3 state
> (shutdown/power off). It is not safe to take the computer apart when
> in S4 state, but it is in G3 state. In addition, the machine may
> automatically be awoken from the S4 state, but not the G3 state.
>
> Personally, I don't see why we can't just save to the
> partition/reserved area on the disk that is used for the current BIOS
> save to disk functionality.
Can we guarantee that we can find this area? On eg. the Dell i7500 that
I've been playing most with, it's a file on a FAT filesystem, and the
BIOS will only "find" it if the filesystem is in the 'active' partition
at boot time.
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