[Info-vax] OpenVMS Hobbyist licence - howto

Bob Eager rde42 at spamcop.net
Sun Dec 27 06:10:37 EST 2009


On Sun, 27 Dec 2009 10:28:45 +0100, Michael Kraemer wrote:

> Bob Eager schrieb:
> 
>> Most 50 pin SCSI will do, but there's a maximum capacity (probably 1GB
>> or 4GB). I wrote a program to 'downsize' some old disks I had that were
>> a bit too big.
> 
> People say it's 1GB due to firmware limitations (so once popular disks
> like the ST51080N and the IBM DPES31080 will work).
> But, strangely enough, I could install Ultrix on VS3100 /M38 and /M30
> models on 4 and 2GB disks, respectively.
> So maybe those limitations hurt VMS, but not Ultrix?

Yes, I have a stock of DPES-31080. But an IBM 0662 was a fraction too 
big. Note that this was in terms of what the console firmware reported 
(too big, and it gave a silly small number, obviously the size modulo 
1GB).

Another machine (VS model 60) tokk 4GB disks, but the IBM DDRS-34560 was 
too big before 'modification'.



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