Toshiba G50 manual PCI Express devices are not used while battery, Operation. Default

3 Tests and Diagnostics	3.31 SETUP
Auto	PCI Express devices are not used while battery
	operation. (Default)
Disabled	Disable the Power-saving function and drive
	with maximum performance.
Enabled	PCI Express devices are not used.

(c) Enhanced C-States

This option set the power-saving function of Enhanced C-States on the following conditions.

Enabled	This lowers the power consumption. (Default)
Disabled	This does not lower the power consumption.

9.Drives I/O

This option displays the address and interrupts level for hard disk drive and optical disk drive. It is for information only and cannot be changed.

(a)Built-in HDD1

This item displays the Serial ATA Port Number. It is for information only and cannot be changed.

Serial ATA Port0

(b)Built-in HDD2

This item displays the Serial ATA Port Number. It is for information only and cannot be changed.

Serial ATA PortX

3-92 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)