Через регистр DX, но это не точно
https://web.archive.org/web/20080614...E/VBEDDC11.PDF
Код:3.2.2 01 - Read EDID Input: AH= 4fh VESA Extension AL= 15h VBE/DDC Services BL = 01h Read EDID CX = 00h Controller unit number (00 = primary controller) DX = 00h EDID block number. ES:DI= Pointer to area in which the EDID block (128 bytes) shall be returned




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