QBus termination?
Doc Shipley
doc at mdrconsult.com
Mon Feb 7 17:37:10 CST 2005
Patrick Finnegan wrote:
> On Monday 07 February 2005 18:18, Vintage Computer Festival wrote:
>
>>So what's the definitive requirement for terminating QBus? I get
>>various non-answers from various people and it's quite annoying.
>>
>>How does one properly terminate Qbus?
>
>
> The CPU terminates one end, and no terminator is required at the far
> end, unless you connect chassis together. No machine I've ever seen
> has had a QBUS terminator in it (other than the termination the CPU
> provides)
But some Qbus boards do terminate the bus. RQDX3 does, and I'm
fairly certain the RQZX1 does as well.
I also have a Qbus terminator board. No bootROMs or diags, just the
terminator.
Doc
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