ROG STRIX Z490-H GAMING BIOS Manual
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Extra Bus Reserved
This item allows you to select the TBT Root Port Type.
[56]
One port Host.
[106]
Two port Host.
Reserved Memory
This item allows you to set the Reserved Memory for this Root Bridge.
Use the <+> and <-> keys to adjust the value. The values range from 1 to
4096.
Memory alignment
Use the <+> and <-> keys to adjust the value. The values range from 0 to
31.
Reserved PMemory
This item allows you to set the Reserved Prefetchable Memory for this
Root Bridge. Use the <+> and <-> keys to adjust the value. The values
range from 1 to 4096.
PMemory alignment
Use the <+> and <-> keys to adjust the value. The values range from 0 to
31.
Reserved I/O
Use the <+> and <-> keys to adjust the value. The values range from 0 to
60.
Thunderbolt(TM) OS select
Windows 10 Thunderbolt support
This item allows you to specify Windows 10 Thunderbolt support level.
[ RTD3]
OS Native support plus RTD3.
[Enabled]
OS Native support only, no RTD3.
[Disabled]
No OS native support.
1.6.8
PCI Subsystem Settings
SR-IOV Support
This option enables or disables Single Root IO Virtualization Support if the system has SR-
IOV capable PCIe devices.
Configuration options: [Disabled] [Enabled]
