If I remember correctly, the power supply is some macs could emit a beeping sound. Are you absolutely sure the sound is coming from the speaker, and not actually from inside your computer? David On Dec 16, 2006, at 1:32 PM, Robert MacLeay wrote: > As a diagnostic, you might want to have Activity Monitor running > and open to > see what might be active. > > Another utility to monitor network activity specifically, such as > Little > Snitch, might also give you a clue about who's doing this. > > On Sat, 16 Dec 2006 04:21:34 -0800, keith_w > <keith_w at dslextreme.com> wrote: > >> In the past day or so I've noticed an 'announcement' that appears >> as two >> beeps, 3 seconds apart, with the first beep accompanied by a 1/2 >> second >> flash of some small window, that has text in it. >> Too fast to read, so I have no idea what's in the window. >> >> This announcement repeats reliably every 10 minutes. >> >> Who has an idea what this might be? > > > _______________________________________________ > X4U mailing list > X4U at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/x4u > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984