Thanks, Ronni, that explains it completely as far as my particular issue goes. Severin
On 30/07/2011, at 10:52 AM, Ronda Brown wrote: > Hi Severin, > > iMac Intel: > Sleeping: 48 Watts. > Shutdown but plugged in: 16 Watts. > Shutdown with the power strip turned off: 0 Watts. > > The newer Apple Computers use 'Active Power Factor Correction' power supply, > not 'Passive Power Factor Correction' power supply. > > I’m wondering 'if' the G5 used 'Passive PFC' and the iMac uses 'Active PFC’ > could that possibly cause what you are experiencing? > > I don’t profess to understand power, this is more James of SAD Technic’s > field of expertise. > > Cheers, > Ronni > > > On 29/07/2011, at 11:39 PM, Severin Crisp wrote: > >> Could be but as you say it does not make much sense. >> Regards >> Severin >> >> On 29/07/2011, at 5:39 PM, Ronda Brown wrote: >> >>> Hi Severin, >>> >>> In System Preferences > Energy Saver. Do you have the iMac set to “Wake >>> for Network Access’. >>> Even the iMac is shutdown but still plugged in, this could cause some power >>> consumption, whether its enough to cause what you are experiencing I have >>> no idea ;-) >>> >>> Cheers, >>> Ronni >>> >>> On 29/07/2011, at 4:34 PM, Severin Crisp wrote: >>> >>>> For some time I have been using a Jackson PT 9778 power board. This a >>>> clever energy saving device. It is an ordinary power board in most >>>> respects with surge protection but the outlets are a master and slaves. >>>> My G5 plugged in to the master socket and all the peripherals into the >>>> slaves. When the G5 was running and drawing power all the slaves are on. >>>> When the G5 was switched off or shutdown all the slaves went off too and >>>> came back on when the G5 restarted. >>>> The problem is that the G5 is now an iMac and the board does not like it. >>>> When the iMac is running all is fine but when it shuts down the >>>> peripherals shut down then keep trying to restart in an on and off >>>> fashion. From my reading there is a threshold of about 30mA at which shut >>>> down happens and I am wondering if the iMac still draws this in a shutdown >>>> state, though that seems bizarre! I have rechecked the functionality of >>>> the board in a different setup and it is fine. >>>> Any comments or similar tales would be most welcome. >>>> Severin Crisp >>>> ________________________________________________________ >>>> Assoc Professor R Severin Crisp, FIP, CPhys, FAIP >>>> 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia. >>>> Phone (08) 9842 1950 (Int'l +61 8 9842 1950) >>>> email mailto:sevcr...@westnet.com.au > > > > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au> ________________________________________________________ Assoc Professor R Severin Crisp, FIP, CPhys, FAIP 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia. Phone (08) 9842 1950 (Int'l +61 8 9842 1950) email mailto:sevcr...@westnet.com.au ________________________________________________________ -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au>