Subject: Re: When it rains VAXen it pours VAXen....(:+}}...
To: NetBSD Bob <email@example.com>
From: Johnny Billquist <bqt@Update.UU.SE>
Date: 10/16/2000 17:53:22
On Mon, 16 Oct 2000, NetBSD Bob wrote:
> > >OK, now we are getting to the nittygritty. What are the switch
> > >settings to use a TK50 as a secondary controller?
> > The secondary address is floating in the range 17760010-17763776
> > (octal). Exactly what you pick depends on what else you have in
> > there.
> > Almost any Q-bus box later than a MicroVAX II has a CONFIG command
> > built in to the console which lets you work this out.
> OK, the thing will have a standard TK70 controller and tape as the
> primary tape, and then the added in TK50 controller and tape as the
> secondary tape. That should correlate with rmt0 and rmt1, I am hoping.
> The only other boards in the thing are the 8 port serial controller
> and the dilogic scsi card, then the cpu and ram. Being relatively
> the dunce on Qbus things, I really have no idea, and no docs of any
> sort that fills me in on how/where/what/etc on these things.
We need better information.
*What* serial controller.
Is the SCSI card disk only?
(Yes, the SCSI cards for Uni-/Q-Bus are not general SCSI, but are either
disk, tape, or both... That's because they emulate two different type of
> Eventually, I hope to scrounge up a DELQA for it, and one more ram
> card. That should be most everything, initially.
The first DELQA also have a fixed address, so it don't interfere with
anything. RAM don't take place in the CSR space either.
> Is some of this covered in the PDP-11 hardware listings? I did not
> see much in the VMS faq. I have not checked elsewhere, yet.
I don't think the PDP-11 FAQ covers this. Maybe we should write of
something about Unibus and Q-Bus CSR and vector assignments...
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: firstname.lastname@example.org || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol