From: atari030@nomorespampleaseoptusnet.com.au   
      
   Guillaume Tello wrote:   
   > Hi again:   
   >   
   > SYSINFO83 tells me:   
   > - bank0 : 512 kb   
   > - bank1 : 2048 kb   
   >   
   > But it is a 1040 with full ram on the mother board, so I expected bank0:   
   > 1024kb, am I right?   
   >   
   > And the expansion board says 4MB exp ram, so, why only 2048?   
   >   
   > Is there a software driver with this board to configure correctly the RAM?   
   >   
   > Guillaume.   
   >   
   >   
      
   There is 512k per bank. 1040 and 520 is Bank0 512k, 1040 is Bank1 512k.   
   So 2.5MB is correct.   
      
   I had a Marpet board that used a similar PCB. You might have to track   
   down the instructions to see if the second bank is usable. It is also   
   possible that it is only a 2mb board. It may be that the designers just   
   used a single PCB for 2/4mb ram.   
      
   Mark   
      
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