Yes the 80286 is a surprise David, particularly since it’s not stretching /MWTC and /MRDC directly from the 82288. Must be something to do with the wait request not arriving early enough in the bus cycle. Even SRDY* low does not seem to help!
John From: [email protected] [mailto:[email protected]] On Behalf Of David Fry Sent: Sunday, August 31, 2014 12:22 PM To: [email protected] Subject: [N8VEM-S100:5115] Re: Progress in putting a VGA video board on the S100 bus Encouraging progress John, many thanks for the update, shame about the 80286 board compatibility problems, I have an 8088 board under construction though :-) regards David Fry On Saturday, August 30, 2014 9:55:18 PM UTC+1, monahanz wrote: For those following this long project, we have made some progress in getting towards the goal of putting a VGA video card directly on the S100 bus. Please see here:- http://s100computers.com/My%20System%20Pages/ISA%20to%20S100%20Bus/ISA%20To%20S-100%20Bus%20Board.htm#GAL_ISA_Converter_Board More to do clearly, but progress! John -- 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. -- 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.
