RE: PE2650 BIOS can't detect Hard drive

The 2650 controller is does not have foreign configurations, that is a newer controller feature. You can try initializing the drives
Select Initialize Drives.

Use the Right/Left arrow keys to select the bus with the disk you wish to initialize.

Select the disk you wish to initialize and press Insert.

Press Enter.

At the warning message, press Y.

Josh Craig
Dell EMC Enterprise Support Services
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