[Info-vax] What are the earliest DEC operating systems you worked with ?

Bill Gunshannon bill.gunshannon at gmail.com
Thu Mar 4 14:42:53 EST 2021


On 3/4/21 12:20 PM, Chris Townley wrote:
> On 04/03/2021 16:50, Marc Van Dyck wrote:
>> Simon Clubley laid this down on his screen :
>>> What are the earliest DEC operating systems you worked with ?
>>>
>>> For me, I started with a PDP-11 running RSTS/E V9.{something early},
>>> then onto VAX/VMS V5.{something} and then onto Alpha VMS V6.{something}.
>>>
>>> I have not touched any Itanium systems.
>>>
>>> Simon.
>>
>> University, 1980. VAX/VMS V2.0 on a VAX 780.
>> 2,5 GB of memory, 3 disks of 72 MB each, a tape drive, and 40 serial
>> lines hooked to VT100 or LA120 (for APL, we were FT site) terminals.
>> Ah yes, and two LPxxx printers and a card reader.
>> Never left VMS after that, till now...
>>
> That was a vast amount of memory then!
> 
> We ran a full production setup with 80 odd users in 1990 with 32Mb
> 

I would really  like to see the VAX 11/780 with 2.8 GB of memory.

"The VAX-11/780 originally supported up to 8MB of memory through
one or two MS780-C memory controllers, with each controller
supporting between 128kB-4MB of memory. The later MS780-E memory
controller supported 4MB-64MB of memory, allowing the VAX-11/780
to support up to a total of 128MB of memory.[4] The KA780 has a
29-bit physical address space, allowing it to address a theoretical
maximum of 512MB of memory."
-- 
https://en.wikipedia.org/wiki/VAX-11#VAX-11/780


bill



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