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

Sun, 25 Jan 2004 14:21:10 -0500

on 1/25/04 12:17 PM, David Anderson at [email protected] wrote:

> 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.

That's good to know!  That's the way I hooked it up.  So I am still looking
for an answer to why the computer is not drawing a useful amount of current
from the batteries when they're connected to the external power adapter
jack.  Any ideas?

Dick

> 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.
> 
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-- 
Richard A. "Dick" Rucker
City of Fairfax, VA