They are general inventory and you can right click any items that are activate effect items. There's also the Pri/Sec slots as well.
The link for it is
here
As of yet i haven't messed with timers, but I'll look into it.
It's set up for 1280x1024 resolution.
The only discrepancy so far is that I've been told the blue LDON indicator line doesn't show up on the compass. I'm currently trying to figure out that small nuisance as well.