Am 25.03.2016 um 04:21 schrieb Roger Ivie:
Bear in mind that there's a bug in one of the FPGAs on the 4000/60 motherboard that causes problems for TURBOchannel DMA.
Yes, I saw your posts from 2004 about this issue. Fortunately there are useful TC options without DMA to system memory (like the PMAD-AA I have). I also have a VS4000/96 but decided to try out the bus adaptor in the /60 first, in case something goes wrong... :)
You also mentioned that the edge-triggered interrupts of VS4000 can be problematic with TURBOchannel level-triggered interrupts (and how to possibly circumvent it). I will see what/if something needs to be done about it.
Which of the fancier TC features is supported by the TC bus adaptor? I/O block mode, parity? Is the firmware a TCF0 or TCF1 implementation?
Felix