Need help configuring DZQ11s on 2.11BSD for VCF!

[Robert Armstrong]

  You're right - adding the second dzq11 to /etc/dtab fixes the problem.

  Thanks!

Bob

> -----Original Message-----
> From: cctalk-bounces at classiccmp.org 
> [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Don North
> Sent: Monday, October 31, 2005 12:52 PM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Need help configuring DZQ11s on 2.11BSD for VCF!
> 
> 
> When I brought up my 11/44 with 2.11BSD I also had to fiddle with the 
> /etc/dtab file, which allocates CSRs/VECTORs to devices (ie, 
> tells the 
> s/w what you did to the hardware). Your second DZQ is probably being 
> probed by s/w as a floating device (160070 ??) or at least not at the 
> address you have the h/w set to.
> 
> I had to change the /etc/dtab entry for my first DZ11 to 
> 160100/300 from 
> 160100/310 to be compatible with SIMH (I don't configure the TU58 at 
> 176500/300 under SIMH and/or 2.11BSD).
> 
> Don North
> 
> Robert Armstrong wrote:
> 
> >>I don't know BSD at all and can't verify the CSR/vector 
> above without
> >>looking some things up, but...  on many Unix systems you 
> need to make 
> >>the device files (/dev/tty???) that correspond to the 
> terminal lines. 
> >>Has this been done?  Although perhaps this needs to wait until init 
> >>sees the device?
> >>
> >>    
> >>
> >
> >  Thanks, John - good point.  I didn't mention it in my original 
> >posting, but I already did this too.  The script is called 
> MAKEDEV and 
> >it creates the /dev/ttynn nodes - in this case tty08..tty15. 
>  All the 
> >/dev/ttyxx entries are there but none of them on the second 
> dz work  - 
> >they give "device not configured" errors when you access them.
> >
> >  BTW, as far as I know it's tty08..tty15 because 2.11BSD 
> thinks it's 
> >talking to a DZ11 (i.e. UNIBUS, not QBUS) and DZ11 cards have eight 
> >lines each.  AFAIK it doesn't matter because the software 
> interface for 
> >the DZ and DZQ is the same except for the missing lines.  Certainly 
> >there's nothing I can find in 2.11BSD or 4.3BSD about a 
> special driver 
> >or setting for DZQs only.
> >
> >  So I would expect the first DZQ to be tty0..tty03 and the 
> second one 
> >to be tty08..tty11.  In any case (as you said) I don't think 
> it would 
> >prevent init from configuring the device, but I might be wrong :-)
> >
> >Thanks again,
> >Bob
> >
> >
> >
> >
> >  
> >
> 
>