Power pinouts for Compaq SLT286?

From: JP Hindin <jplist_at_kiwigeek.com>
Date: Fri Mar 7 20:14:01 2003

On Fri, 7 Mar 2003, Feldman, Robert wrote:
> Thanks, this is a good start.
> Question, though: on the brick, is pin 4 positive or negative?

They're all +vDC. I charged the batt up, and now 2 & 3 show 12.9v, and 4
shows 13.9v, so there's some tolerances for you. (Nothing you didn't
expect, I'm sure)

JP

>
> Bob
>
> -----Original Message-----
> From: JP Hindin [mailto:jplist_at_kiwigeek.com]
> Sent: Friday, March 07, 2003 3:19 PM
> To: cctalk_at_classiccmp.org
> Subject: Re: Power pinouts for Compaq SLT286?
>
> <snip>
>
> The battery, when looking at it towards the connectors:
> ----------------------
> | XXXX |
> |______________________|
> Where X's are contacts, from left to right:
> GND, 12.5v, 12.5v, 13.3v
> (Batt is Compaq part #130538, Model 2682)
>
>
> I don't know enough about electronics to understand how the power supply
> works. The unit has two lights, which I'm guessing are 'On' and 'Charging
> Battery'. When the unit is first turned on, the 'On' pulses.
> There are Eight pins, not 6: (Piss poor ASCII arrangement on left, my pin
> numbering on right)
>
> X X X 1 2 3
> X X X 4 5 6
> _ _ 7 8
>
> If you cross 3 & 6, the 'On' light stays on, presumably the trigger to
> tell it to send voltage.
> With one probe between the 3&6, and another on 4, I get 18vDC.
> <snip>
>
> JP Hindin
Received on Fri Mar 07 2003 - 20:14:01 GMT