ASRock Z370M-ITX/ac User Manual - Page 64

Chipset Configuration, Primary Graphics Adapter, Top of Lower Usable Dram, Above 4G Decoding

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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. Above 4G Decoding Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if the system supports 64 bit PCI decoding). 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. 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.
Above 4G Decoding
Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space
(only if the system supports 64 bit PCI decoding).
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.