[HECnet] SIMH VAX memory weirdness

[H Vlems]

The amount of physical pages supported by VAX/VMS depends on the hardware.
Simh emulates a VAX(server) 3900 IIRC and you   ll find information here:
  
http://www.compaq.com/alphaserver/vax/archive/mv3800.html
  
Apparently the 3800/3900 support 64 MB max.
You also need to change the SYSGEN parameter PHYSICAL_PAGES, this is not done by AUTOGEN.
Oleg suggested another .bin file that might work though IIRC it was intended to support a microVAX 3900 instead of the server model so that VMS would load with a A license. Most users don   t have a B license to satisfy LMF.
  
Hans
  

Van: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] Namens Sampsa Laine   Verzonden: zondag, november 2010 21:20   Aan: hecnet at Update.UU.SE   Onderwerp: [HECnet] SIMH VAX memory weirdness
  
I just increased the memory on one of my SIMH VAX VM's to 512 MB from 64 MB - the system boots fine but SHOW MEMORY (under OpenVMS 7.3-1) still reports 64 MB.      Do I need to tell the VMS installation about the new RAM somehow? How much RAM does 7.3-1 (VAX) support anyway?      Sampsa

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