> As it turns out ~ I was right all along, the pin assignments on the
> trapezoid plug of a 760/765 ac/dc adapter are as follows:
>
> Pin 1 ~ Positive
> Pin 2 ~ Signal
> Pin 3 ~ Negative
> Pin 4 ~ Communications Ground
Thanks - curious that the 76x series needs the extra signals.
> Try this, with the battery in or out, leave the lid closed and turn on
> the laptop. You should see the battery charge led light up momentarily
> then go off.
Doesn't.
> Another good tip too is to get into "setup" by means of the F1 button
> when you first turn on the machine, go to test and run a diagnostics of
> the "system board" If there is anything wrong with any component
> attached to the system board, believe me you'll get a red error fru
> listing of what needs attention.
We of course did this, but it really doesn't mean anything - I've had to
replace system and dc-dc boards on a couple of machines where the BIOS
diagnostics found squat.
> Before I forget, another good little gadget is that "quick charger"
> that plugs between the adapter and laptop ~ a dime a dozen at your
> local auction site.
One is on the way (was more than 1/120 of a dollar, especially with
shipping, but still remarkably cheap).
Thanks again.
- David R.
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Received on Fri Sep 5 16:46:09 2003
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