[Info-vax] VMS 5.0

[Bob Eager]

On Wed, 09 Nov 2011 16:27:28 +0100, Johnny Billquist wrote:

> On 2011-11-09 15.37, Bob Koehler wrote:
>> In article<j9c95r$if5$1 at Iltempo.Update.UU.SE>, Johnny
>> Billquist<bqt at softjar.se>  writes:
>>>
>>> Well, the RX01 don't have a serial interface, to start with. :-)
>>
>>     No, but the RX01 was on the LSI-11, and the interface to the rest
>>     of the VAX was supposed to be a serial connection.
> 
> Ah! Good point. I actually don't know exactly how the interface between
> the LSI-11 and the VAX-11/780 looked like. (At the physical level that
> is. I know of the processor registers...)

Serial, but eight bits wide. Programmed I/O.

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