PDP-11/73 booting!

Allison ajp166 at bellatlantic.net
Tue Nov 15 22:26:38 CST 2005


Make sure the CSR and vector of RLV12 is as described.

I'm not sure of the next step without powering my system and
at the moment I have two S100 crates in the way (testing).

Allison


>
>Subject: Re: PDP-11/73 booting!
>   From: David Betz <dbetz at xlisper.mv.com>
>   Date: Tue, 15 Nov 2005 23:08:40 -0500
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>I can't pull the MXV11 because it has the bootstrap and my console  
>port. I did try it without the NS memory board but that didn't work  
>either. In fact, RT-11 seems happy with that board as it reports the  
>correct total amount of memory (1.5mb). I have the single quad board  
>RL01/02 controller.
>
>Here's the result of "SH DEV":
>
>..SH DEV
>
>Device    Status          CSR     Vector(s)
>------    ------          ---     ---------
>   DY      Resident       177170   264
>   LD      Installed      000000   000
>   SL      Installed      000000   000
>   VM      Installed      177572   250
>   NL      Installed      000000   000
>   DL      Installed      174400   160
>
>On Nov 15, 2005, at 11:03 PM, Allison wrote:
>
>>>
>>> Subject: Re: PDP-11/73 booting!
>>>   From: David Betz <dbetz at xlisper.mv.com>
>>>   Date: Tue, 15 Nov 2005 22:32:43 -0500
>>>     To: "General Discussion: On-Topic and Off-Topic Posts"  
>>> <cctalk at classiccmp.org>
>>>
>>> Yes, you're right. I did type DL not RL. That was a typo in my
>>> message. Yes, the DL.SYS driver is on the boot disk (RX02), there are
>>> no empty slots between the CPU and the RL controller. The slots are
>>> filled as follows:
>>>
>>> KDJ11-A
>>> MSV11-LK
>>> MSV11-LK
>>> National Semiconductor memory board (1mb)
>>> RLV12
>>> M8029 (RX02 controller)
>>> MXV11
>>
>> I'd pull the MXV11 and the National card them bump every one up.
>>
>>> No fault light (and it isn't burned out), the white load light (with
>>> the "0" on it) lights.
>>
>> Thats a good sign.
>>
>>> So, I suppose that means that the cables are probably bad? BTW, I
>>> have the cable plugged into the top connector on the RL01 and the
>>> terminator on the bottom. Is that correct?
>>
>> I don't think which is which matters as it's a parallel pass through
>> and the drive select plug is the determining factor.
>>
>>> From RT-11 a
>> show dev:
>> or
>>
>> Resorc /A
>>
>> Should list the devices the system knows of.  It may be possible that
>> one of the cards is not passing intgrant.  If the system doesnt show
>> the RL02 either grant chain is broken or the controller is not there.
>>
>> Which controller?  Two board set or later single board m8061 one?
>>
>> The controller (RLV12) must be address at 17774400 (q22), 774400  
>> (q18).
>> The vector is 160.
>>
>>
>>
>> Allison



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