Amiga Hardware Database Expansion cards



AdRAM 540 & 560 Photo Software
Company
ICD, USA
 Date
1990
 Amiga
A500
 Interface
trapdoor slot, Gary socket
 
  • 32 DIP sockets accept 4 MB RAM (AdRAM 540)
  • supports 256k×4 (414256), 70 - 120 ns DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4 MB configurations
  • expandable to 6 MB with the optional AdRAM 560 board
  • only 4 MB of 6 is continuous
  • only 2.5 MB RAM is autoconfigured
  • the 1.5 MB option does not work properly with Kickstart 1.2 when the RAM chips are installed in the first three banks
    • install one megabyte in the first two blocks (those get automatically recognized) and install the rest of the chips in one of the last four blocks (those will be recognized by the AdRAM program)
  • no disable switch
  • battery backed up clock
  • the RAM board connects to the trapdoor slot
  • the adapter board connects to Gary's socket - if 1 MB Chip RAM is present, a wire has to be soldered between the adaptor and the motherboard

    Photo
    ICD AdRAM 540 & 560 -  front side
    front side

    ICD AdRAM 540 & 560 - with 560D  front side
    with 560D, front side

    ICD AdRAM 540 & 560 - with 560D  front side
    with 560D, front side

    ICD AdRAM 540 & 560 -  front side
    front side

    ICD AdRAM 540 & 560 -  back side
    back side




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