Advantech UNO-137 V2 User Manual page 76

PCI Express Configuration

M.2 E-Key
–
Control the PCI Express root port.
– ASPM
Set the ASPM level: force L0s-force all links to L0s state. Auto-BIOS auto
configure. DISABLE-disables ASPM.
L1 Substrates
–
PCI Express L1 substrate settings.
– Multi-VC
Enable/Disable multi virtual channel.
SATA Configuration

– SATA Controller(s)
Enable/Disable SATA Device.
SATA Mode Selection
–
Determines how SATA controller(s) operate.
– Aggressive LPM Support
Enable PCH to aggressively enter link power state.
– SATA Controller Speed
Indicates the maximum speed the SATA controller can support.
UNO-137 V2 User Manual
Figure A.31 PCH-IO configuration – 4
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