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Thread: IBM EGA Card Memory Expansion Boards

  1. #21

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    Good job, I suppose that many geeks here welcome this replacement when it will be for good price.
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  2. #22
    Join Date
    Jun 2006
    Location
    NC , USA
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    Has anyone found a reasonable price on the (24) 4416 memory chips needed for this board ?

    I've always wondered if it would be possible to modify the card slightly to use
    fewer and cheaper memory chips (ex one bank of 256K chips)

    I think it depends on how the memory is configured on the card, just seen as
    192K or does the card access each bank separately.

  3. #23
    Join Date
    May 2006
    Location
    Melbourne, Australia
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    6,483

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    Quote Originally Posted by mikey99 View Post
    Has anyone found a reasonable price on the (24) 4416 memory chips needed for this board ?
    There is a compatibility table at the bottom of [here].

    You could win eBay auction 392596996728 really cheaply. 400 pieces of M5M4416P-15. Current bid: US $3.99. Put aside 24 plus some spares, then use the remainder as Christmas tree decorations (although, probably more appropriate as b-tree decorations).

    eBay item 174023679712 (buy-it-now) is for 40 pieces of MB81416. That corresponds to about 50 US cents (plus postage) for each chip, and includes enough spares to last you until the death of the planet due of climate change.

  4. #24
    Join Date
    Jun 2006
    Location
    NC , USA
    Posts
    1,103

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    Thanks modem7 ! Your eBay search skills are better than mine
    Picked up one of the 40 chip lots, that's a great price.

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