X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 4b - virtual dma specification

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INT 4B - Virtual DMA Specification - SCATTER/GATHER UNLOCK REGION
        AX = 8106h
        DX = flags
            bits 0-5: reserved (zero)
                   6: EDDS contains page table entries
                   7: EDDS may contain not-present pages (entry = 0000h)
                8-15: reserved (zero)
        ES:DI -> Extended DMA descriptor structure (see AX=8102h) returned
                by AX=8105h
Return: CF clear if successful
        CF set on error
            AL = error code (see AX=8102h)
SeeAlso: AX=8104h,AX=8105h

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