*** Craig Hart wrote in a message to Serguei Shtyliov:
CH> Ralf Brown also documents port A0h. He says if you set bit 7
CH> to a '1' then NMI is prevented from reaching the CPU.
No mention of bit 7 of port 70h?  (I'm feeling too lazy at the moment to 
unarchive Ralf Brown's list again... ;)
CH> So it depends on what you want to achiveve. In the context
CH> of a discussion on ram parity NMI's, port 61h is clearly the
CH> better way to go about doing things, and that is why I wrote
CH> what I wrote, and why I feel your solution is somewhat
CH> worse. Granted, it doesn't make much difference if you don't
CH> have a mathco! 
The original context was shutting off NMI entirely.
--Scott.
--- timEd 1.01
---------------