home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   alt.os.development      Operating system development chatter      4,255 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 2,546 of 4,255   
   Alexei A. Frounze to muta...@gmail.com   
   Re: A20 desperation mode   
   12 Jul 21 19:11:40   
   
   From: alexfrunews@gmail.com   
      
   On Monday, July 12, 2021 at 6:05:25 PM UTC-7, muta...@gmail.com wrote:   
   > On Tuesday, July 13, 2021 at 7:51:41 AM UTC+10, muta...@gmail.com wrote:   
   >   
   > > 3. Enable desperation mode and then email Jens to carpet   
   > > bomb Taiwan for making you lose half your memory and   
   > > fragmenting what remains into 1 MiB chunks so that you   
   > > can no longer run a 3 MB executable like gccwin (recommended).   
   > Actually, does A20 constrain physical or virtual addresses?   
   >   
   > If the former, I could enable VM, have a return to flat memory,   
   > at the expense of just losing half the memory. ie I can still   
   > run 3 MB executables.   
      
   Physical. If you use page translation, you can hide the discontiguity/holes.   
      
   Alex   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca