Compatibility: DPMI 0.9+
Expects: AX    0007H
BX    selector
CX:DX 32-bit linear base address to apply to the selector
Returns: CF    NC (clear) if successful; else AX = DPMI Error Code
Info: This changes the base address for a descriptor in the LDT.  It
makes selector BX refer to a different location in physical

See Also: DPMI API
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INT 31H 0007H: Set Segment Base Address