Acer AW2000h-AW170h Instrukcja Użytkownika Strona 81

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delay necessary cache accesses. This feature reduces or increases the
frequency the system prefetches data.
Intel VT-d: Select Enabled to enable Intel Virtualization Technology
support for Direct I/O VT-d by reporting the I/O device assignments to
VMM through the DMAR ACPI Tables. This feature offers fully-
protected I/O resource-sharing across the Intel platforms, providing
you with greater reliability, security and availability in networking and
data-sharing.
Active State Power-Management: Uses power management for signal
transactions between the PCI Express L0 and L1 Links. Select Enabled to
configure PCI Express L0 and L1 Link power states.
IOH PCIE Max Payload Size: Some add-on cards perform faster with the
coalesce feature, which limits the payload size to 128 MB. Others
perform better with a payload size of 256 MB, which inhibits the
coalesce feature. Please refer to your add-on card user guide for the
desired setting.
SouthBridge configuration
This feature allows you to configure the settings for the Intel ICH
SouthBridge chipset.
USB Functions: This feature allows you to decide how many onboard
USB ports to enable.
Legacy USB Support: Select Enabled to use Legacy USB devices. If set to
Auto, legacy USB support will be automatically enabled if a legacy USB
device is installed on the motherboard.
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