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  • A20 line controlled by himem.sys

    From James Wells@wed@westnet.com.au to comp.os.msdos.misc on Tue Feb 7 18:42:47 2023
    From Newsgroup: comp.os.msdos.misc

    Himem.sys won't load with A20 inverted into Chip select on SRAM ie at 1meg boundary..... Is the problem that himem.sys only controls A20 AFTER it is loaded at 1Meg Byte boundary
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