PDP-11 QBUS module ordering in BA23

From: John A. Dundas III <dundas_at_caltech.edu>
Date: Fri Jan 9 16:52:56 2004

At 11:30 PM +0100 1/9/04, Fred N. van Kempen wrote:
>On Fri, 9 Jan 2004, Christopher Cureau wrote:
>
>> Starting with the 3 Q/CD slots on top, then the 5 Q/Q slots:
>>
>> |------------------------------------------------------------------
>> | M8190-AB (quad height) | |
>> |------------------------------------------------------------------
>> | Clearpoint QRAM 44B | M9047 ??? |
>> |------------------------------------------------------------------
>> | M8020 (DPV11) | M9047 ??? |
>> |------------------------------------------------------------------
>
>This then wont work, since the QRAM and/or M9047 (grant?), as well
>as the M8020 all need Qbus.

Not so sure it won't work. I have a QRAM-2 (quad width, 1MB) that
happily works in a Q/CD slot.

John
Received on Fri Jan 09 2004 - 16:52:56 GMT