> > This takes 2 write operations (1.4 uS each).
>
> The ISA I/O speed is terrible.

Now I'm talking about something I don't know much about, but I've heard
the ISA bus has a refresh cycle every 15us that takes the bus off
service for some time. See:

    http://www.gl.umbc.edu/~msokos1/isa.html


Marko

-- 
Marko Rauhamaa        [EMAIL PROTECTED]   (818) 878-6314
Sr Project Engineer   http://www.tekelec.com/      Tekelec Inc
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