SYS-ITX-N-3900/BIOS Settings
v1.0
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Page 30
PCI Express Root Port 5
Use this screen to enable and configure the PCIe Port 5 assigned to M.2
parameters.
PCI Express Root Port 5:
Controls the PCI express root port. AUTO: To
disable unused root port automatically for the most optimum power
savings. Choices: Enable (Default, Enable PCIe Root port), Disable (Disable
PCIe root port)
ASPM:
PCI express active state power management settings. Choices:
Disable (Default), L0s, L1, L0sL1, Auto
Hot Plug: Enable/disable
PCI express hot plug. Choices: Disable (Default),
Enable
PCIe Speed:
Configure PCIe speed. Choices: Auto (Default), Gen1, Gen2
PCIe Selectable De-emphasis:
When the link is operating at 5.0 GT/s, this
bit selects the level of de-emphasis for an upstream component. 1b -
3.5 dB, 0b – 6 dB. Choices: Enabled (Default), Disabled