Possible values of an option:
[Enable If No Ext GPU], [Always Enable]
[Enable If No Ext PEG], [Auto]
The option description:
Defines an operating mode of the integrated video card. The variant [Enabled] resolves teamwork of the integrated graphic kernel and an external video card that can it is useful in multimonitor configurations. At a choice [Disabled] the integrated graphic kernel will function only in absence of the external video card inserted in слот AGP or PCI Express 16x. If you do not use a multimonitor configuration with use of the integrated graphic kernel it is necessary to choose the second variant.
Other options identical to destination: