on 8/1/06 2:11 PM, pfloyd714714 at stones@rochester.rr.com wrote: > Just set up a new MacBook with Logic Express, using an Edirol UA-5 for audio. > The Edirol is > experiencing occasional "hiccups" during playback, which it did not do with my > iBook > (recently deceased due to an ill-placed glass of wine). Quick little "skips" > in the audio is the > best I can do by way of description. This occurs no matter how I set the I/O > buffer size or the > Process Buffer Range as well as with or without the "Larger Disk Buffer"option > checked. I'm > working on my first song with this setup--only ten tracks and the System > Performance > meters barely register anything. The skips are random in nature and are not > recorded in the > actual audio regions. Oddly, these skips also occur if I'm playing a song > through iTunes, so it > isn't a Logic-specific issue. > > Any thoughts? > MacBook 2G, 10.4.7, 1G RAM, Logic Express 7.2 (Intel upgrade), external LaCie > firewire drive. > Does it happen if you use apple built in sound instead of the Edirol UA-5 ? Make sure there aren't any background processes going on like spot light indexing, network traffic, sleeps and so on. Native Instrument has a four page doc with tips and suggestions good for any DAW. http://www.native-instruments.com/index.php?id=support_us Right hand side, second listing Make sure pro application support is installed http://www.apple.com/support/downloads/proapplicationsupport31macosx104.html Also latest Logic Express 7.2.1 Robert