PC/AT "power good" problems

Chuck Guzis cclist at sydex.com
Sat May 28 21:30:06 CDT 2016

On 05/28/2016 07:17 PM, Chuck Guzis wrote:

> Bear in mind that the PC AT BIOS during POST goes through some
> rather arcane protected-mode memory tests, using the CMOS "why did I
> get here" byte when coming out of reset.

...which reminds me--check the status of the "programmed reset" line
coming from the keyboard controller.


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