ASRock Z270M-ITX/ac User Manual - Page 63

Chipset Configuration, Primary Graphics Adapter, Top of Lower Usable DRAM, PCIE1 Link Speed

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4.6.2 Chipset Configuration Primary Graphics Adapter Select a primary VGA. Top of Lower Usable DRAM Set the maximum value of TOLUD. Set this item to Dynamic to allow TOLUD to adjust automatically based on the largest MMIO length of the installed graphic controller. 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. PCI Express Native Control Select Enable for enhanced PCI Express power saving in OS. PCIE ASPM Support This option enables/disables the ASPM support for all CPU downstream devices. 58 English

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58
English
4.6.2
Chipset Configuration
Primary Graphics Adapter
Select a primary VGA.
Top of Lower Usable DRAM
Set the maximum value of TOLUD. Set this item to Dynamic to allow TOLUD to
adjust automatically based on the largest MMIO length of the installed graphic
controller.
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.
PCI Express Native Control
Select Enable for enhanced PCI Express power saving in OS.
PCIE ASPM Support
°is option enables/disables the ASPM support for all CPU downstream devices.