INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_REPEAT" - SET KEY REPEAT RATE
	AX = 040Ch
	BP = 0114h (driver ID for V_HPHIL)
	BX = device address indicator (see #03760)
	DH = HP HIL device major address
	DL = repeat rate (00h = 30 Hz, 01h = 60 Hz)
Return: AH = status (see #03744)
	BP,DS destroyed
Note:	this function is only available if the driver is in the open state
	  (see AX=020Eh"SF_OPEN")
SeeAlso: AH=00h"HP Vectra",AX=040Ah/BP=0114h,AX=040Eh/BP=0114h