Subject: Re: serial port control
To: John F. Woods <>
From: Ted Lemon <>
List: current-users
Date: 02/13/1998 11:08:52
> I'd think even a laptop would use a switching supply to drop the +6V
> battery down to +3.0V for the processor.  (I guess a dual-CPU laptop
> could power them in series. ;-) ) On the other hand, that way Intel
> can claim that the Pentium in their laptops ISN'T the biggest waste
> of power on the board: the 40W wirewound resistor next to it is. :-)

It's entirely possible that there is a DC-DC converter inside the box
for stepdown.   I'm talking about the supply transformer on the