INT 15 - Advanced Power Management v1.1 - OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. APM INSTALLATION CHECK AX = 5380h BH = 7Fh Return: CF clear if successful BX = OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. identifier all other registers OEM-defined ---Intel SL Enhanced Option BIOS--- BX = 534Ch ('SL') CL = 4Fh ('O') AL = version (10h = 1.0) ---HP APM BIOS--- BX = 4850h ('HP') CX = version (0001h) CF set on error AH = error code (03h) (see #00473) SeeAlso: AX=5380h/BH=00h