MSI MS-98E3 Manual page 37

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EIST
EIST (Enhanced Intel SpeedStep Technology) allows the system to
dynamically adjust processor voltage and core frequency, which can result
in decreased average power consumption and decreased average heat
production.
When disabled, the processor will return the actual maximum CPUID input
value of the processor when queried.
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PCI/PCIE Device Configuration
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PCI Latency Timer
This item controls how long each PCI device can hold the bus before
another takes over. When set to higher values, every PCI device can
conduct transactions for a longer time and thus improve the effective PCI
bandwidth. For better PCI performance, you should set the item to higher
values.
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XHCI Mode
This setting disables/enables the USB XHCI controller. The eXtensible
Host Controller Interface (XHCI) is a computer interface specification that
defines a register-level description of a Host Controller for Universal Se-
rial bus (USB), which is capable of interfacing to USB 1.0, 2.0, and 3.0
compatible devices. The specification is also referred to as the USB 3.0
Host Controller specification.
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USB 2�0(EHCI) Support
These settings disable/ enable the USB EHCI controller. The Enhanced
Host Controller Interface (EHCI) specification describes the register-level
interface for a Host Controller for the USB 2.0.
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Legacy USB Support
Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating
system that does not support or have any USB 1.1/2.0 driver installed,
such as DOS and SCO Unix.
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Audio Controller
This setting enables/disables the onboard audio controller.
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Launch OnBoard LAN OpRom
These settings enable/disable the initialization of the onboard LAN Boot
ROM during bootup. Selecting [Disabled] will speed up the boot process.
MS-98E3
3-9