User Manual
Page 84
... Select disable to disable the integrated graphics when an external graphics card is allocated to keep the integrated graphics enabled at all times. 78 English VT-d Intel® Virtualization Technology for Directed I /O performance. Select enable to the integrated graphics processor when the system boots up.
... Select disable to disable the integrated graphics when an external graphics card is allocated to keep the integrated graphics enabled at all times. 78 English VT-d Intel® Virtualization Technology for Directed I /O performance. Select enable to the integrated graphics processor when the system boots up.