Int 31/AX=0400h

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DPMI 0.9+ - GET DPMI VERSION

AX = 0400h

Return:
CF clear AH = major version of DPMI spec supported AL = two-digit minor version of DPMI spec supported BX = DPMI host flags (see #03152) CL = processor type (02h=80286, 03h=80386, 04h=80486) DH = curr value of virtual master interrupt controller base interrupt DL = curr value of virtual slave interrupt controller base interrupt

BUG: Windows NT versions from the March 1993 beta to at least the Final release with fixes to CSD002 report version 0090h (0.144); this has reportedly been corrected in the Windows NT 3.5 beta

See Also: AX=0401h - INT 21/AX=250Ch - INT 2F/AX=1687h -

See Also: INT 67/AX=DE0Ah

Bitfields for DPMI host flags: Bit(s) Description (Table 03152) 0 running under an 80386 (32-bit) implementation 1 processor returns to real mode for reflected interrupts instead of V86 mode 2 virtual memory supported 3 reserved (undefined) 4-15 reserved (zero)

Category: DOS Extenders - Int 31h - D

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