{"id":9323,"date":"2022-04-25T19:49:47","date_gmt":"2022-04-25T18:49:47","guid":{"rendered":"http:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/?p=9323"},"modified":"2024-02-21T11:02:59","modified_gmt":"2024-02-21T11:02:59","slug":"a2000-a-1mb-ram-expansion","status":"publish","type":"post","link":"https:\/\/www.intexsound.de\/Commodore-Museum-Mannheim\/2022\/04\/25\/a2000-a-1mb-ram-expansion\/","title":{"rendered":"A2000-A 1MB RAM Expansion"},"content":{"rendered":"

A2000-A 1MB RAM Expansion<\/strong><\/p>\n\n\n\n
\n
Company<\/div>\n

Commodore, USA<\/td>\n

\n
Date<\/div>\n

1986<\/td>\n

\n
Amiga<\/div>\n

A2000<\/td>\n

\n
Interface<\/div>\n

CPU slot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/div>\n
\n

all sockets populated totalling 1MB of additional RAM<\/p>\n<\/div>\n

\n
    \n
  • the built-in Fast RAM card of the A2000-A (which has only 512 kB Chip RAM on its motherboard)<\/li>\n
  • 512 kB RAM soldered on board (16 DIPs), 150 ns<\/li>\n
  • 16 additional DIP sockets accept another 512 kB RAM for 1 MB total<\/li>\n
  • accepts 256k\u00d71 DIPs only<\/li>\n
  • maprom function<\/li>\n
  • possible configurations:\n
      \n
    • 512 kB system RAM<\/li>\n
    • Kickstart RAM<\/li>\n
    • 1 MB system RAM<\/li>\n
    • Kickstart RAM + 512 kB system RAM<\/li>\n<\/ul>\n<\/li>\n
    • connects to the CPU slot<\/li>\n<\/ul>\n

      recapped with Rubycon brand 105\u00b0 type<\/p>\n\n\t\t