> On Aug 13, 2020, at 12:36 PM, David Brownlee <abs%netbsd.org@localhost> wrote: > > - Is the VME memory board DMA capable - if not then the SCSI > controller code could end up in a bad place... Digging to my brain's archives here, but as far as I can remember, the VME bus signals are essentially identical to those of the 68000, and so memory placed out in VME space (at least on a 68k-based system) would necessarily behave the same as memory on the main memory bus, so... -- thorpej