Pci Express Root Port 12 (M.2 Keye) - BCM EMS-TGL Quick Reference Manual

3.6.3.2.1.7 PCI Express Root Port 12 (M.2 KeyE)

Item
PCI Express Root Port 12 (M.2 KeyE)
ASPM
L1 Substates
PCIe Speed
Option
Enabled[Default],
Disabled
Disabled[Default]
L0s
L1
L0sL1
Auto
Disabled
L1.1
L1.1 & L1.2[Default],
Auto[Default]
Gen1
Gen2
Gen3
EMS-TGL Series Quick Reference Guide 81
Quick Reference Guide
Description
Control the PCI Express Root Port.
Set the ASPM Level: Force L0s –
Force all links to L0s State AUTO –
BIOS auto configure DISABLE –
Disables ASPM.
PCI Express L1 Substates settings.
Configure PCIe speed.