u/omega13lives

I used to be able to increase the volume past 100 with the preamp but now it won't. What can I do?

I could not find a relevant post. I use Newsbin to download and while doing so, the playback on ZP is very jerky, stops and starts every second or less. The CPU is only at 25%, so is there anything in ZP I can do to give it more priority or something? Thanks.