[erlang-questions] Erlang on VAX

Joe Armstrong erlang@REDACTED
Thu Apr 7 17:06:51 CEST 2016


On Thu, Apr 7, 2016 at 1:36 PM, Mike Williams
<michael.c.williams10@REDACTED> wrote:
>  Probably 4.1 BSD UNIX, maybe 4.2.
>
> We bought the VAX with (I think) 4 MBytes of memory and upgraded to 16Mbytes
> of memory.

When was the upgrade bought - at the same time as the original or later?

I'm trying to figure out the configuration when we made the first
erlang version (so I can compare with a raspberry pi today :-)

/Joe

>
> From the Wikipedia:
> "The VAX-11/750, code-named "Comet", was a more compact, lower-performance
> TTL gate array–based implementation of the VAX architecture introduced in
> October 1980. The CPU had a 320 ns cycle time (3.125 MHz)"
>
> This fits with what I remember. We had 24 RS232 terminal connections, some
> current loop and some for modems, and mainly VT100 terminals and moved on to
> Facit Twists.
>
> We started  with one RM03 67 Mbyte disk and later added two RP06 256 Mbyte
> disks and even later added a Fujitsu Eagle 640 Mbyte disk. We also had a DEC
> tape drive and moved on to a Fujitsu tape drive. There were some sort of
> cartridge tape drives (small built in one and a larger one taking 3M Tapes)
> , I can't remember what.
>
> For the initial JAM used for the Mobility Server (before ETS and
> distribution added by Klacke) I wrote somewhere between 10K and 15K lines of
> C. The Mobility Server had an Industrialised SUN computer initially 68030
> (68040??) but later Sparc from Force Computers (From Munchen / Munich) and 4
> Mytes of memory.
>
> /m
>
>
>
>
>
> On 7 April 2016 at 12:04, Bjarne Däcker <bjarne.dacker@REDACTED>
> wrote:
>>
>> Sorry, I have no such documentation.
>>
>> Glad vår
>>
>> Bjarne
>>
>>
>> Hello,
>>
>> Can anybody remember the vital statistics of the original VAX that
>> Erlang was developed on - I think it was a VAX 11/750.
>>
>> I'd like to know the basic vital statistics. Clock rate, RAM and disk
>> volumes. OS version etc.
>>
>> Cheers
>>
>> /Joe
>>
>>
>>
>>
>



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