Need specs for IBM PC Convertible power supply

[Randy McLaughlin]

From: "Vintage Computer Festival" <vcf at siconic.com>
Sent: Saturday, May 28, 2005 1:57 AM


> yOn Sat, 28 May 2005, Randy McLaughlin wrote:
>
>> > Urg!  Thanks for the voltage specs but what about polarity? ;)
>>
>> It should only take a second to check for ground, you probably won't even
>> have to open the case.
>
> Assume I'm dumb.
>
> How?
>
> :)
>
> -- 
>
> Sellam Ismail                                        Vintage Computer 
> Festival
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Just do a resistance test between a known ground and one connector then the 
other of the power socket.  Zero ohms tels you that you have the (-) 
connector.

Known grounds usually include the nuts of DB type connectors.


Randy
www.s100-manuals.com