On Wed, Feb 12, 2020 at 12:28 PM Noel Chiappa via cctalk <cctalk@classiccmp.org> wrote: > My fiche set has the Technical Manual, and also (in the wirelist > section) the wirelist. > > > That fourth card (M7268) is apparently a connector card for the Q-Bus > > and drive bus. > > Yes, but actually there are 6 cards: the M7269 is a dual card which goes > into the QBUS backplane, and the M993-YA which goes into the first RK05, > to convert from the two flat cables which come from the M7268.
Yes. > > From: Al Kossow > > > Also, it is only 18 bits. > > Actually, only 16-bit DMA addresses, I'm pretty sure. It is. -ethan
