New subject: [pups] Trouble with 2.11BSD and CQD-220

6 Nov 2001

Hi -

...
  From: Tom Ivar Helbekkmo &lt;tih(a)Hamartun.Priv.NO&gt;
 Not exactly.  You and I actually worked this out together back in
 1995, when I was figuring out how to get Reno to boot my VAX using a
 CQD-220.  :-)  You don't have to present any interrupt vector, but you 
	Has it been that long? ;)

...
  shouldn't lie to the controller about this. 
Instead of setting the 
	But if you do present a vector then everything should work, right?

	The problem isn't in the standalone 'ra' driver though - that seems
	to be working.   The boot block though ends up in an endless loop
	during the 'online the unit' command (after the initialization).

...
  "please interrupt" bit in the MSCP datagram,
and waiting for the
 controller to set the "I've interrupted now" bit, you should set the
 "controller owns this datagram now" bit, and wait for it to clear it.
 This make much better sense, anyway, while running in polled mode. 
	True.  I'd have to look at the mdec/rauboot.s sources to see
	exactly what it is doing (or not doing ;)).  The change Tim Shoppa
	made was to specify a vector and that did the trick for the Viking
	controller.

	Steven

Re: [pups] Trouble with 2.11BSD and CQD-220