Pci express configuration, Pci express clock gating, Dmi link aspm control – ADLINK cPCI-6520 User Manual
Page 104: Subtractive decode, Pci express root port 2~5
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BIOS Setup
PCI Express Configuration
PCI Express Clock Gating
Enable or disable XHCI Pre-Boot Driver support. Set this value
to Enabled/Disabled.
DMI Link ASPM Control
Mode of operation of xHCI controller. Set this value to Enabled/
Disabled.
Subtractive Decode
Mode of operation of xHCI controller. Set this value to Enabled/
Disabled.
PCI Express Root Port 2~5
Control the PCI Express Root Ports 2~5
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