How can I resolve the issue with missing PCI device drivers for HP Z820?
The SCU HDD Controller is not supported under Microsoft® Windows ® XP Pro x64 and should be disabled. During system startup, hit the F10 key to enter BIOS Setup and set the SCU Controller to Hidden (Path: F10 > Security > Device Security > SCU Controller) (Page 3)
From the official HP Z820 Workstation manual, page 3
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