ADLINK aTCA-6155 - Manual (Page 101)

BIOS Setup 87
aTCA-6155
8.7 Chipset Setup
Select the Chipset tab from the setup screen to enter the Chipset
BIOS Setup screen. You can select any of the items in the left
frame of the screen to go to the sub menu for that item. The Chip-
set BIOS Setup screen is shown below.
Onboard SAS Controller
Set this value to Enable/Disable SAS controller.
Boots Graphic Adapter Priority
Set this value to decide which BUS, PCI or PCIE, get first VGA
boot priority.