Pci Express Slot 3 (Pci-E Port 21~24) - Avalue Technology HPS-246U4A Quick Reference Manual

HPS-246U4A/HPS-246UTA

3.6.3.2.1.2 PCI Express Slot 3 (PCI-E Port 21~24)

Item
PCI Express Slot 3 (PCI-E Port
21~24)
ASPM 20
L1 Substates
PCIe Speed
Detect Timeout
60 HPS-246U4A/HPS-246UTA Quick Reference Guide
Option
Enabled[Default],
Disabled
Disabled[Default],
L0s
L1
L0sL1
Auto
Disabled,
L1.1
L1.1 & L1.2[Default]
Auto[Default]
Gen1
Gen2
Gen3
0
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.
The number of milliseconds reference code
will wait for link to exit Detect state for
enabled ports before assuming there is no
device and potentially disabling the port.