Company
IMtronics, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 16 DIP sockets accept 2 MB RAM
  • accepts 256k×4 ≤100ns DIPs (514256) in groups of four
  • supports 0.5, 1, 1.5 or 2 MB configurations
  • needs Gary adaptor above 1 MB total RAM (without the adaptor board, the expansion adds 512kB)
  • can be used as ChipRAM expansion with Agnus 8372A and supplied flexible Agnus Adapter Board (which connects to pins 54, 55 and 59)
  • fully autoconfiguring
  • battery backed up clock
  • disable jumper/switch
  • the main board connects to the trapdoor slot
  • metal shield to conform with FCC regulations
    Jumper Settings
    JumperDescriptionSetting
    J1Memory CapacityOPEN-OPEN - 512kB
    CLOSED-OPEN - 1MB
    OPEN-CLOSED - 1.5MB
    CLOSED-CLOSED - 1.75 or 2MB
    J2 / J15Memory EnableOPEN - Memory expansion disabled (clock still working)
    CLOSED - Expansion enabled
    J13AgnusCLOSED - Fat Agnus 8372A present
    J13ChipCLOSED - use 512kB as ChipRAM
  • WizRAM.pdf
    Bedienungsanleitung / german user manual
    9.1 MB

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1990-07