Int 4B/AX=8106h

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Virtual DMA Specification - SCATTER/GATHER UNLOCK REGION

AX = 8106h
DX = flags (see #03225)
ES:DI -> Extended DMA descriptor structure (see #03222,#03223) returned
by AX=8105h

Return:
CF clear if successful CF set on error AL = error code (see #03218)

Note: According to the Microsoft version of the VDS specification, the actual scatter/gather list is ignored, while according to the IBM version of the specification, "the result of a LOCK operation" must be provided to this function

See Also: AX=8104h - AX=8105h

Bitfields for VDS flags: Bit(s) Description (Table 03225) 0-5 reserved (zero) 6 EDDS contains page table entries 7 EDDS may contain not-present pages (entry = 0000h) 8-15 reserved (zero)

Category: Disk I/O Enhancements - Int 4Bh - V

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