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15CA

Category: BIOS
Flags: Undocumented function

INT 15 - PS/2 Model 95 - READ/WRITE CMOS MEMORY

	AH = CAh
	AL = function
	    00h read CMOS
		Return: CL = value of CMOS location
	    01h write CMOS
		CL = new value for CMOS location
	BL = CMOS location (0Eh-3Fh)
Return: CF clear if successful
	    AH = 00h
	CF set on error
	    AH = error code (see #00530)
Note:	writes do not update the CMOS checksum


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