[Info-vax] OT: About Digital and divisions

[Paul Sture]

On Wed, 23 Nov 2011 15:25:23 +0000, ChrisQ wrote:

> On 11/23/11 14:49, glen herrmannsfeldt wrote:
> 
> 
>> Well, using non-DEC terminals wasn't all that rare, though many that I
>> knew did use DEC terminals.  For remote dial-up, though,
>> you used what you had.
>>
>> Other than that, though, yes, likely rare.  Did anyone use non-DEC
>> disks with VAX?   For PDP-11 it seems more common to use other disk
>> systems.
>>
>> -- glen
> 
> Nearly all the companies I worked with used 3rd party drives and
> controllers, as well as analog / digital and specialist comms cards. It
> was a thriving ecosystem, because the dec kit was so much more expensive
> and in many cases, no better quality or reliability. The most common
> disk setup would be fujitsu smd drives with either Dilog or more
> commonly, Emulex disk controllers, on unibus or qbus. Emulex were and
> are a first class engineering company and still in business,
> whereas many of the others faded into obscurity in later years...
> 

Does anyone remember Emulex CS-32 terminal controllers?  These took the 
interrupts associated with DZ-11s off the system, and IIRC you only 
needed one slot to support 32 lines.

-- 
Paul Sture

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