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Dell R7920 Rack Workstation Slots

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Slot	Usage
Slot 1 – PCIe3 x8	Graphics Card only! (Single / Dual Slot)
Slot 2 – PCIe3 x8	Used if a Dual-Slot Graphics Card is installed Matrox AES Audio
Slot 3 – PCIe3 x8	Video Card (i.e. Matrox Video Board)
Slot 4 – PCIe3 x16	Expansion Cards: Matrox AES Audio Blue Storm SeaLevel
Slot 5 – PCIe3 x8	Video Card (i.e. Matrox Video Board) (if two Graphics Cards are installed)
Slot 6 – PCIe3 M2 SSD	PCIe M.2 SSD
Slot 7 – PCIe3 x8	Used if a Dual-Slot Graphics Card is installed
Slot 7 – PCIe3 x8	Second Graphics Card

Note: Only Matrox boards have been tested.

BIOS Settings

During Post, press F2 to get access to the BIOS Setup.
- Click on System BIOS.
- Click on Processor Settings.
- Set Logical Processor to DISABLED.
- Press ESC to Exit Menu.
Click on SATA Settings.
- Set Embedded SATA to RAID MODE.
- Press ESC to Exit Menu.
Click on NVMe Settings.
- Set NVMe Mode to NonRAID.
- Press ESC to Exit Menu.
Click on Boot Settings.
- Check if Boot Mode set to UEFI.
- Press ESC to Exit Menu.
Click on Integrated Devices.
- Set Embedded Video Controller to DISABLED.
- Press ESC to Exit Menu.
Click on System Profile Settings.
- Set System Profile to Performance.
- Press ESC twice, Settings are saved.
Exit Bios.
Press F2 to access BIOS.
Click on Boot Settings.
Change Boot Order (C should be at top).
Save Changes and Exit.

Note: Only newer Matrox Boards like xMio3 and DSX.LE4 are supported with Dell R7920 workstations. Older videoboards are not tested by Vizrt.

Note: Certain third party vendor drivers require secure boot to be disabled to install properly.