Re: IIGS PSU question

[SharpShooter <sharp_shooter@mac.com>]

Scott Alfter wrote:

> The IIe power supply has a wire inside that you cut to switch it over from
> 120 to 240.  I would guess that the IIGS power supply is similar, but having
> never owned one (mine's a "stealth GS"), I can't say for sure.

That's exactly like the "W12" wire on the Mac 128/512/Plus analog board!

> Given that nearly every machine since has a switch on the back to switch
> supply voltage (and given that you could retrofit such a switch onto an
> Apple II power supply), the question that then pops up is why Apple didn't
> bother putting this switch in at the factory.  (It doesn't need to be on the
> back panel...if you had to pop the lid to flip the switch, it would keep
> someone in Europe, Australia, or whatever from accidentally flipping the
> switch to 120 and letting out all the magic smoke.)
> 
> (That said, my American-spec IIe spent its first three years running off a
> transformer in England and Germany.  While the computer could've been
> adjusted, the Monitor II and Imagewriter AFAIK are non-adjustable.)

Well, many thanks for all those precious informations, Scott ;)

I just opened a IIgs PSU and saw three single wires labelled j3, j5 and j7.
These wires are connected, so I suppose one of these wires is NOT connected
(or doesn't exist) in the 120v version. Could somebody please confirm this ?


--
Martin.