Asus ROG STRIX Z490-E Manual page 49

Discrete Thunderbolt(TM) Configuration
The items in this submenu allow you to configure Discrete Thunderbolt(TM) related
configurations.
GPIO3 Force Pwr
Configuration options: [On] [Off]
Wait time in ms after applying Force Pwr
This item allows you to set the wait time (in milli seconds) before accessing the TBT
controller, after Force Pwr is asserted. The values range from 1 to 5000.
GPIO filter
GPIO filter is neeeded to avoid electrical noise on PCH GPIOs during hotplug of 12V
USB devices.
Configuration options: [Disabled] [Enabled]
Enable CLK REQ
This item allows you to enable clock request (CLKREQ#) for all upstream ports.
Configuration options: [Disabled] [Enabled]
Enable ASPM
This item allows you to enable ASPM support for all downstream ports and endpoint
devices.
Configuration options: [Disabled] [L0s] [L1] [L0sL1]
Enable LTR
This item allows you to enable Latency Tolerance Reporting support for all
Thunderbolt(TM) devices.
Configuration options: [Disabled] [Enabled]
Enable PTM
This item allows you to enable Ptm support for all downstream ports and endpoint
devices.
Configuration options: [Disabled] [Enabled]
Enable TBT ASPM
This item allows you to enable TBT ASPM support for all downstream ports and
endpoint devices.
Configuration options: [Disabled] [L1.1] [L1.1 & L1.2]
DTBT Controller 0 Configuration
DTBT Contorller 0
Configuration options: [Disabled] [Enabled]
DTbt Root Port Type
This item allows you to select the TBT Root Port Type.
Configuration options: [PCH Root Port] [PEG Root Port]
TBT Host Router
This item allows you to enable host router based on ports available.
Configuration options: [One Port] [Two Port]
ROG STRIX Z490-E BIOS Manual 49