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    Need help with 5170 Memory Refresh

    My 5170 Type 1 MB started having issues recently. I threw in the trusty LankMark ROMS and it shows memory refresh failure. Sometimes it will show it right away, other times maybe the 2nd or 3rd round it will fail. I broke out the oscope and started tracing things out. The 14.318MHz signal is...
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    MK4128 DRAM

    Curious, does anyone have the pinout of the MK4128 DRAM chip. This is not the piggybacked 4128 on the type 1 IBM motherboard. These are single 4128 chips on an old video card and I can't find anything on these anywhere. I didn't think they ever made a single 4128 but they evidently do because...
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    Orchid Eccell Memory Board

    Not sure if I'm putting this in the correct place. I purchased an Orchid Excell extended/expanded memory board and for the life of me I am unable to find drivers for this card anywhere. Would anyone out there happen to have these drivers that I could get? I would sure appreciate your help in...
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    Request for help on 5170 Mobo

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    Request foor help on 5170 Mobo

    I have purchased an IBM 5170 with the Type 1 Mobo. I knew it didn't work when I got it but I do have some electronics background and thought I could make it work. I have changed out all the tantalum caps as well as a few of the MLCC. I installed the Supersoft BIOS v1.2 and it led me in a...
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