Subject: Re: VAX 4000 QBUS question
To: George Harvey <fr30@dial.pipex.com>
From: Johnny Billquist <bqt@Update.UU.SE>
List: port-vax
Date: 12/16/2004 22:59:28
On Thu, 16 Dec 2004, George Harvey wrote:

> On Thu, 16 Dec 2004 09:02:44 -0500 (EST)
> Kirk Russell <kirk@ba23.org> wrote:
>
>> On Thu, 16 Dec 2004, George Harvey wrote:
>>
>>> With the CMD card installed, I get exactly the same output. If I
>>> then remove the TK70 controller, I still get the same output! From
>>> this I guess that my CMD card is configured with the same address as
>>> the TK70 controller. I've had a hunt on the 'net but haven't found
>>> any info on jumper settings for the CQD-223 so I'm looking for help
>>> to re-jumper it to a non-overlapping address.
>>
>> http://www.bitsavers.org/pdf/cmd/CQD-220_CQD-223_Nov90.pdf
>>
>> I used address 772150.
>
> Yes! That had exactly the information I was looking for. I've changed
> the CSR address and it now shows up as a disk controller. Jumper W6 sets
> the CSR and I changed mine as follows:
>
>                           1   2   3   4   5   6   7
> Was: 17774500 / 20001940  in out out out  in  in  in
> Now: 17772150 / 20001468  in in  in  in  out out out

I think you have set the TAPE CSR to 17772150. That will be bad juju. It 
will "look" right when the "show device" command is done, because of the 
way that command works, but it will not make you happy when you try to 
find any disks.

 	Johnny

Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt@update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol