My husband was the happy recipient of a 12" Powerbook G-4, when our
daughter upgraded to a larger screen, newer Powerbook. We are going to
France in May and he is wondering what he needs in the way of equipment
to be able to use his new favorite while there. I found statements that
it automatically adjusts to the 220-240 voltage and assume all he needs
is a plug adaptor. Our daughter also says this. Bur he finds ithard to
believe, thinking there must be some need for a transformer of some
sort. So I told him I would query you experienced guys and was sure
you could give us a definitive answer on this.
We are neither of us experts and would appreciate any help.
Rosemary
Soni tempori elseu romani yeof helsforo nisson ol sefini ill des Wed, 08 Mar 2006 13:56:03 -0800, sefini jorgo geanyet des mani yeof do comp.sys.mac.misc, yawatina tan reek esk Dale Thompson dale_thompspamfree@redacted.invalid fornis do marikano es bono tan el:
My husband was the happy recipient of a 12" Powerbook G-4, when our daughter upgraded to a larger screen, newer Powerbook. We are going to France in May and he is wondering what he needs in the way of equipment to be able to use his new favorite while there. I found statements that it automatically adjusts to the 220-240 voltage and assume all he needs is a plug adaptor. Our daughter also says this. Bur he finds ithard to believe, thinking there must be some need for a transformer of some sort. So I told him I would query you experienced guys and was sure
you could give us a definitive answer on this.
Which country are you in at the moment?
deKay
In article afnu029i13e4127vg6tvqf30loeq4ftte9@redacted.invalid, deKay andyk@redacted.invalid wrote:
Soni tempori elseu romani yeof helsforo nisson ol sefini ill des Wed, 08 Mar 2006 13:56:03 -0800, sefini jorgo geanyet des mani yeof do comp.sys.mac.misc, yawatina tan reek esk Dale Thompson dale_thompspamfree@redacted.invalid fornis do marikano es bono tan el:
My husband was the happy recipient of a 12" Powerbook G-4, when our daughter upgraded to a larger screen, newer Powerbook. We are going to France in May and he is wondering what he needs in the way of equipment to be able to use his new favorite while there. I found statements that it automatically adjusts to the 220-240 voltage and assume all he needs is a plug adaptor. Our daughter also says this. Bur he finds ithard to believe, thinking there must be some need for a transformer of some sort. So I told him I would query you experienced guys and was sure
you could give us a definitive answer on this.Which country are you in at the moment?
deKay
Sorry, should have been specific. We are in USA, so know we will need an adaptor plug.
Rosemary
The Apple power adapter is a switcher supply, It takes in the mains power, converts it to raw DC then feeds that to a switcher circuit to generate the required output voltage. As such the switcher circuit is designed to handle a wide range of DC input (i.e. aprox a 2 to 1 range of US and EU type voltages) with no problems. It's not hard support the wide range since the switcher part of the circuit just varies the duty cycle of it's waveform to handle differing voltages. (There are many ways of handling this but ultimately there is a little chip on in the adapter that has the smarts to control the system to produce the same DC voltage to the laptop.)
--jim