Int 4B/AX=8106h

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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