Asus M4A78-E - Manual (Page 80)

3-22 Chapter 3: BIOS setup
Chapter 3
Slot Power Limit, W [75]
Use the <+> and <-> keys to change the value or type the desired value using the numeric
keypad. The values range from 0 to 255.
Port #04/05/06/07 Features
Gen2 High Speed Mode [Disabled]
Configuration options: [Auto] [Disabled] [Software Initiated] [Advertised RC]
Link ASPM [Disabled]
Configuration options: [Disabled] [L0s] [L1] [L0s & L1]
NB-SB Port Features
NB-SB Link ASPM [Disabled]
Configuration options: [Disabled] [L1]
NP NB-SB VC1 Traffic Support [Disabled]
Configuration options: [Enabled] [Disabled]
Link Width [Auto]
Configuration options: [Auto] [x1 Mode.] [x2] [x4]
Primary Video Controller [PCI-E]
Allows you to select which graphics controller to use as the primary boot device.
Configuration options: [PCI-E] [PCI] [Onboard]