Reset switch for IBM 5150/5160?

[Chad Fernandez]

Dave Dunfield wrote:

>>Find the 8284a (82284 in the AT) timer chip in the PC.  When pin 11 is 
>>shorted to ground momentarily it will start the reset process.  Also 
>>shorting the "power good" line from the power supply will do the same 
>>thing.  The power good pin is supposed to be P8-1.
> 
> 
> I recall at one time having an original IBM PC/AT with a reset switch
> wired to ground the "power good" line. It worked fine, and was still
> working when I got rid of it ... I don't know if all power supplies
> would tolerate this - might be a good idea to put a small resistor in
> series with the PS output so that you are not shorting it directly.
> 
> Regards,


Oh Yeah, Muellers book did suggest a small resisiter.... 1/4 watt 
between 1K ohms and 2.7K ohms.

Chad Fernandez
Michigan, USA