Manufacturer
Commodore, USA
Date
1986
Amiga
A2000, A3000, A4000
Interface
Zorro II
Autoconfig ID
514 / 10
    RAM expansion card
  • 64 DIP sockets accept 8 MB RAM
  • 2 MB RAM preinstalled
  • supports only 2, 4 or 8 MB configurations, it cannot be set to 6 MB
  • accepts 1M×1 DIPs only, 120 ns or faster
  • no waitstates
    jumper settings
    J1
    ON
    ON
    OFF
    OFF
    J2
    ON
    OFF
    ON
    OFF

    - 2 MB
    - 4 MB (U16-U32 and U55-U62)
    - diagnostic mode
    - 8 MB
    notes
  • some revision 3 boards have 8 MB pre-installed from factory with DIP chips soldered in (no sockets)
Commodore A2058 -  front side
front side
Commodore A2058 -  back side
back side