On Tuesday, July 14, 2015 at 7:09:18 PM UTC-7, [email protected] wrote: > > Hi John, > > >> Those IDE boards are in fact a very simple boards. > > I agree! On paper, at least. But all the chatter I've seen here w.r.t. > the flavor of 8255, mods. to the boards, and subs. for some of the standard > LS logic, leads me to believe that they are not all that straightforward. >
Debugging the write to the 8255 today. It struck me to check the part number of my 8255. I have a 'P8255' I obained that part number from an older IDE/CF BOM. The BOM for the IDE/CF v.3 specifies a '8255AC-5' is this a deal breaker? Do I specifically need the '8255AC-5' ?? I did check U108 74LS373 has data on pins 2, 5... -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
