I haven't see any reduction in performance, nor have there been any hard freeze problems. I'm assuming that if the demand is present, the "nap" is diminished. On Jan 23, 2004, at 8:30 PM, Gary Tuck wrote: > I've tried "Nap" several times on my dual 1.25 FW800--it had no > negative effect on performance at all and dropped temps about > 10c.Cubes- Using the Apple developer Chud software installed on our >>> machines, with "Nap" selected, will lower the temperature by about >>> 30F. >>> Chud is available on Version Tracker X. Give it a try! Jim >>> Dawson. >> >> What other effects does "Nap" have?