Bitfields for CardBus Socket Control Register:
Bit(s)	Description	)
 2-0	Vpp control
	000 power off
	001 12.0 Volts
	010 5.0 Volts
	011 3.3 Volts
	100 reserved (X.X Volts)
	101 reserved (Y.Y Volts)
	110 reserved
	111 reserved
 3	reserved (0)
 6-4	Vcc control (as for Vpp, but 12.0V not supported)
 31-7	reserved (0)
SeeAlso: #00890,#00893,#00895