Int 16 Fn 6F0B  - Hp Vectra Es/qs/rs Ex-bios - Set Processor Speed To Low  [b]

   AX = 6F0Bh

Return: AH = 00h (successful)

Notes: see AX=6F0Ah for speed definitions
   supported by ES, QS, and RS series of HP Vectras

See Also: AX=6F00h,AX=6F0Ah