Category: memory management
Flags: Undocumented function
INT 2F - DOS 4+ XMA2EMS.SYS extension internal - GET HIDDEN FRAME INFORMATION AH = 1Bh AL <> 00h DI = hidden physical page number Return: AX = FFFFh if failed (no such hidden page) AX = 0000h if OK, then ES = segment of page frame DI = physical page number Notes: this corresponds to the data edited out of the INT 67/AH=58h call FASTOPEN makes this call with AL = FFh SeeAlso: AX=1B00h