ASRock X299M Extreme4 User Manual - Page 84

Chipset Configuration, Above 4GB MMIO BIOS Assignment, PCIE1 Link Speed, PCIE ASPM Support

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4.6.3 Chipset Configuration Above 4GB MMIO BIOS Assignment Enable/disable above 4GB MemoryMappedIO BIOS assignment. This is disabled automatically when Aperture Size is set to 2048MB. VT-d Intel® Virtualization Technology for Directed I/O helps your virtual machine monitor better utilize hardware by improving application compatibility and reliability, and providing additional levels of manageability, security, isolation, and I/O performance. PCIE1 Link Speed Select the link speed for PCIE1. PCIE2 Link Speed Select the link speed for PCIE2. PCIE3 Link Speed Select the link speed for PCIE3. PCIE ASPM Support This option enables/disables the ASPM support for all CPU downstream devices. 78 English

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English
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4.6.3
Chipset Configuration
Above 4GB MMIO BIOS Assignment
Enable/disable above 4GB MemoryMappedIO BIOS assignment. °is is disabled
automatically when Aperture Size is set to 2048MB.
VT-d
Intel® Virtualization Technology for Directed I/O helps your virtual machine
monitor better utilize hardware by improving application compatibility and
reliability, and providing additional levels of manageability, security, isolation, and
I/O performance.
PCIE1 Link Speed
Select the link speed for PCIE1.
PCIE2 Link Speed
Select the link speed for PCIE2.
PCIE3 Link Speed
Select the link speed for PCIE3.
PCIE ASPM Support
°is option enables/disables the ASPM support for all CPU downstream devices.