[Ham-Mac] Using external battery to power a PowerBook

[David Anderson]

The tip and the outer sleeve is not used on the Pismo power connector, 
just the ring and the inner most part of the 'stereo' jack.

On 24 Jan 2004, at 6:29 pm, Dick Rucker wrote:

> The plug was another matter.  Since it had shorted and burned out right
> where the cable entered the plug, I cut material away until I found two
> small wires potted in a sleeve and leading to what amounts to an 1/8" 
> stereo
> audio plug inside a cylindrical sleeve.  The sleeve connected to the 
> shield
> on the cable.  The white covered wire was connected to the inner-most 
> ring
> of the plug, but I couldn't tell whether the black was connected to 
> either
> the middle ring or the tip.