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Thread: RAM Type for DEC3000-300 Alpha Workstation

  1. #1

    Default RAM Type for DEC3000-300 Alpha Workstation

    Dear all!
    I have an Alpha DEC3000 here running OpenVMS 7.3 AXP and I would like to upgrade my RAM. The system Board has 8 PS/2 type (72 pin) sockets and I am wondering if I need special DEC RAMs. In the System Programmer's Manual I have found some hints (like 70ns, Parity, max 32 MB, 2 RAM SIMMs of the same type) and the DEC order number "MS16-DA" but no clue on which type actually may work or if the SIMMs are a special DEC type.
    Maybe someone hast experience here...

    Thanks and best regards
    Stephan

    Auswahl_259.jpg

  2. #2
    Join Date
    Apr 2010
    Location
    Berzerkeley, California, USA
    Posts
    12

    Default

    The 3000 model 300 variants, unlike all the other models in the family, use off-the-shelf 8MB or 32MB 72-pin SIMMs with parity. The same 32MB SIMMs I used in SGI Indigo 2's work in the 3000/300LX, for example. One SIMM part number that should work is HP D4893A.

    Good luck!
    "Chaos will ensue if the variable i is altered..." - SysV Programmers Guide

  3. #3

    Default

    Quote Originally Posted by smj View Post
    The 3000 model 300 variants, unlike all the other models in the family, use off-the-shelf 8MB or 32MB 72-pin SIMMs with parity. The same 32MB SIMMs I used in SGI Indigo 2's work in the 3000/300LX, for example. One SIMM part number that should work is HP D4893A.

    Good luck!
    Standard PS/2 SIMMS with parity just work fine, thanks a lot!

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