I've never had problems caused by rounded cables. Just group things in 4's (so
each group has 2 grounds, 2 data), and you'll be just fine. They didn't really
do that much at all for temperature when I was overclocking, but I had a
fulltower case and plenty of room.
What rounded cables really
Bad IDE cables will cause DMA errors. Folding IDE cables causes bad
cables. From my personal experience, I was having problems with a drive
that would stop working with DMA after extensive use. A replacement
cable solved the problem.
In my experience, you really don't have to worry about he
Thought I would mention a little glitch I just ran into.
I have been concerned with the heat in my case for a while, so last time I
had it open I did some rearraging. Having seen a few articles online about
'rounding' you ide cable I did a less extreme version. I folded my ribbons
and taped th