_The Doctor__ Posted December 22, 2018 Share Posted December 22, 2018 (edited) The Mosaic 64K RAM card allowed access to the RAM from 48K to 52K and could select between 4 different 4K banks at this location. This memory was even available to BASIC by increasing the value of RAMTOP(IIRC a "POKE 106,208). One card could be used in the 400, and up to 3 in the 800. https://www.atariarchives.org/creativeatari/The_Mosaic_64K_RAM_Card.php Still one of the best imho Edited December 22, 2018 by _The Doctor__ Quote Link to comment Share on other sites More sharing options...
Kyle22 Posted December 25, 2018 Share Posted December 25, 2018 After reading FJC's post above, I'm kind of surprised that SDX isn't as universally adopted as I thought. I guess to me, it's hard to imagine why anyone would prefer to choose anything else for a de-facto standard. Sure, I can see wanting to mess around with other stuff once in a while. But if I were asked which one DOS should be the standard, the one that software and hardware are developed to work under, it would have to be SDX without hesitation. I cannot agree more Merry Christmas. 1 Quote Link to comment Share on other sites More sharing options...
Kyle22 Posted December 25, 2018 Share Posted December 25, 2018 The Mosaic 64K RAM card allowed access to the RAM from 48K to 52K and could select between 4 different 4K banks at this location. This memory was even available to BASIC by increasing the value of RAMTOP(IIRC a "POKE 106,208). One card could be used in the 400, and up to 3 in the 800. https://www.atariarchives.org/creativeatari/The_Mosaic_64K_RAM_Card.php Really, how can you use three (3) 64K cards in an 800? Quote Link to comment Share on other sites More sharing options...
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