Int 15/AX=D042h/BL=00h

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Intel Pentium Pro BIOS UPDATE - INSTALLATION CHECK

AX = D042h
BL = 00h

Return:
CF clear if successful CF set on error AH = status 00h successful EBX:ECX = signature "INTELPEP" EDX = BIOS update loader version SI = number of 2K update blocks which can be recorded in NVRAM 86h not implemented AL = OEM error (if AH is not 00h or 86h, otherwise undefined) 00h successful

Program: The Pentium Pro BIOS update allows the system BIOS or other software to install a microcode patch into the Pentium Pro processor

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

See Also: AX=D042h/BL=01h - AX=D042h/BL=02h - AX=D042h/BL=03h

See Also: @xxxxh:xxxxh"Intel BIOS Upgrade" - MSR 00000079h

Category: Uncatagorized - Int 15h - I

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