I just purchased a HighPoint Rocket 620 Storage controller- Serial ATA-600- 600 MBps (OEM version) and a OWC SSD:

picture of card

For some reason, my Dell Optiplex 755 bios sees this card as a storage device installed in the x1 PCI Express slot, but I can't get it to boot from it. In fact, I don't even see the boot screen as mentioned by the manual. Any help would be greatly appreciated.

FYI, I tried every imaginable BIOS setting, including using legacy mode instead of AHCI.

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