INT 15 - EISA SYSTEM ROM - CLEAR NONVOLATILE MEMORY (EISA CMOS) AX = D802h BH = EISA config utility major revision level BL = EISA config utility minor revision level Return: CF clear if successful AH = 00h CF set on error AH = error code (84h,86h,88h) (see #00539) Note: call with AL=82h if using 32-bit CS addressing mode instead of 16-bit SeeAlso: AX=D803h