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AX = D042h BL = 02h BH = function 01h enable update loading at initialization time 02h check whether update loading is enabled CX,DX,SI = segments of three 64K scratchpad areas for BIOS use
Return:
CF clear if successful CF set on error AH = status (see #00532) 00h successful BL = enabled/disabled flag 86h not implemented AL = OEM error (if AH is not 00h or 86h, otherwise undefined) 00h successful
Notes: This API must be called from actual real mode, not V86 mode. At least 32K stack space must be available when this function is called. There is no call to disable update loading due to security risks; the BIOS setup can disable loading
See Also: AX=D042h/BL=00h - AX=D042h/BL=02h - AX=D042h/BL=03h
Category: Uncatagorized - Int 15h - I
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