Mac Forum / Country Specific / UK Mac Group / May 2008

Just posting this for reference,

Back when I was using an Atari and the mouse was getting old,
the tracking and clicking would become erratic and not work
properly, but it would never crash the computer.

Same thing on Mac, in the past.

Well, my optical USB mouse seemed to be working ok in terms of
tracking and clicking, except it caused a system crash every
minute.
I've replaced the mouse and even though my computer
still crashes once a day for no good reason, everything is
working now.
I find this really annoying, why should a dodgy mouse cause
the whole system to crash? I did a clean install and all sorts
to fix this, what a waste of time.

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I also have a number of other problems and questions, but
because I'm finding it hard to be specific in my question,
this could easily end up as a very foggy conversation.
Let me have a go anyway.

I'm experiencing problems with Quicktime, Logic Pro 7.2.3, even
the opening of folders, basically anything that involves audio
or moving graphics. My computer is an old G4 gigabit ethernet
dual 450 upgraded to dual 1.8 (Sonnet Encore) and graphics
upgraded to Radeon 9800 to support Quartz Extreme /
Final Cut Express. OS 10.4.11, latest firmware for my machine.

The bus speed is 100, while the installed ram are 133.
I'm often pushing my CPU to the limit, this does NOT
result in crashes, but there have been other funny
occurences like audio tracks going missing during offline
bounce.

My vague non-specific question is along the lines of...
Are the new operating systems or versions of Logic etc
somehow optimized for newer Macs and faster bus
speeds? My machine meets the system requirements
but only because I've upgraded the CPU and graphics
card?
Or are the newer operating systems, versions of Quicktime
etc not written properly? People seem to be having similar
problems on G5/10.5, not sure if that's the case with
Mac Pro's though.
In my opinion there should be a reasonable
amount of backwards compatibilty and support for older
machines, damn I've spent so many hours on this
machine/system folder and and it's still not crash-proof.