Appearance: Used,weatheredFunctionality: pictured, an ICD AdRAM 540 Gary Adapter. Includes just the pictured board – no other accessories are available.
*** Although it appears in good shape, we are unable to test this item. Please review the warranty and returns policy ***
Warranty and Returns:=====================This product is being sold AS-IS without any warranty. Returns are not accepted. To ensure that this is the right product for your needs, we’re happy to answer any questions.
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About Us:=========The Computer Preservation Group is dedicated to the preservation of historical computers. To help fund ongoing operations, select items are made available. To learn more, please visit our website. Thank you for your from amiga resource:
CompanyICD, USADate1990AmigaA500Interfacetrapdoor 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