At 9:32 AM -0800 3/28/00, [EMAIL PROTECTED] wrote:
>Now that I have my new PB G3, I am just wondering about the much touted
>Preserve Contents of RAM on Sleep Feature. To me, this seems entirely
>software based and I do not see why it is reserved exclusively for only
>iBooks and at this point, Pismo.
I'm not totally sure, but I think the new system chipset used in
Pismo and the iBook does actually have some new features needed to
support this.
It does seem like any computer could do it, at first glance.
However, the "preserve memory" feature has to be able to recover from
a true power-off, not just sleep. That means that more information
than just the RAM contents must be saved; the internal state of every
peripheral in the computer must either be brought to a reproducible
state or be saved before shutting down, so that the recovery software
can bring everything back to where it was.
The trouble is that a lot of peripheral hardware is designed without
the ability to record the current state for later restoration. It
may be difficult or impossible to read back complete state
information, restore it, or both.
Tim Seufert
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