>When I used to use a Thinking Mouse from Kensington, after I slept and woke
>up the PowerBook, I lost a lot of speed and the mouse didn't behave 100%. I
>dabbled a bit with it after 8.6 and those symptoms no longer occurred.

That's interesting. That might occur if the physical bus and devices 
on it were all being reset (I think the Power Manager chip does this 
at wake time), but the third-party ADB device drivers in the queue 
weren't being told about the change (by the OS software). I never had 
a problem with sleep-swapping (or with 15 years of occasional 
hot-swapping on desktops for that matter), but I also probably never 
tried it with a device that needed a third-party driver installed. If 
the addition in 8.6 is to go through and call all the ADB drivers' 
init routines, that might explain the difference you describe. This 
is basically a question of hardware/software integration. You can 
reset the ADB bus any time with a number of freeware utilities, of 
course, though it's a minor hassle to do that every time you wake the 
computer (I imagine this is probably just what you did before 8.6).

Again, it might also relate to the fact that the Powerbooks being 
sold around that time finally began to officially support 
hot-swapping. The hardware change was just an extremely minor 
addition (as little as a single well-placed resistor, I think), and 
any software change to better support it would probably have come 
along a little later (the developer note that mentions Wallstreet ADB 
hotswaps is dated 5/6/98). The main reason I can see for them making 
a change to the wake process is that sleep-swapping was always a grey 
area, but once hot-swapping was supported sleep-swapping obviously 
was too, so it suddenly needed to become foolproof instead of merely 
"99% likely to succeed". ;)  Though it's interesting that this 
difference in the two G3 powerbooks that have ADB no longer seems to 
be mentioned at the Apple TIL (you know how Apple shies away from the 
least possibility of confusion or mishap in those TIL articles, to 
the point of making them near-useless sometimes).

So that's one more benefit of using 8.5+ for earlier Powerbooks like 
the 2400; smoother sleep-swapping (even if not officially supported, 
wink wink). I'd suggest the same thing others have to the original 
poster - a few seconds of wake-up time really isn't worth sacrificing 
8.6 for and going back to 8.1 on the 2400. If my loose theory above 
is correct, you may even be able to cut the time down by looking 
through your Extensions folder and making sure there aren't any ADB 
drivers there for devices you don't use (joysticks et al).

-- 
Marc Sira               |       [EMAIL PROTECTED]
"If you can't play with words, what good are they?"


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