[HECnet] SIMH VAX memory weirdness

[H Vlems]

The VAX 11/780 may well have been limited to just 32 MB, I can   t remember.
Try modifying PHYSICAL_PAGES, perhaps the microcode that comes with simh was modified.
  

Van: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] Namens Sampsa Laine   Verzonden: zondag, november 2010 21:46   Aan: hecnet at Update.UU.SE   Onderwerp: Re: [HECnet] SIMH VAX memory weirdness
  
Ah, bummer - what about the 11/780?      Sampsa         On 28 Nov 2010, at 20:44, Steve Davidson wrote:      > Sampsa,   >   > I'm pretty sure that the 3900 series machines only supported 64MB max   > and that is what you are emulating.   >   > -Steve   >   >   > -----Original Message-----   > From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On   > Behalf Of Sampsa Laine   > Sent: Sunday, November 28, 2010 15:41   > To: hecnet at Update.UU.SE   > Subject: Re: [HECnet] SIMH VAX memory weirdness   >   > Still only seeing 64 MB in the OS....   >   > Sampsa   >   >   > On 28 Nov 2010, at 20:27, Oleg Safiullin wrote:   >   >> On 29.11.2010 2:20, Sampsa Laine wrote:   >>> 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   >>>   >>>   >>   >> Try to replace ka655.bin firmware with the following file:   >>   >> http://pdp-11.org.ru/~form/files/ka655x.bin   >

Geen virus gevonden in dit bericht.   Gecontroleerd door AVG - www.avg.com   Versie: 10.0.1170 / Virusdatabase: 426/3285 - datum van uitgifte: 11/28/10