--- In logic-users@yahoogroups.com, "pfloyd714714" <stones@...> 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. Hi, Do you have the latest Mac Intel processor-compatible M-Audio drivers? if not,that would explain the buggy behavior.Otherwise I don't know what else it could be.you might have to contact M-Audio tech support for help if your drivers are the latest,and the problem still exists. Cheers, Nick