User`s manual

Chapter 3
BIOS Setup  BIOS Setup
PEGX - PCI_EX_Gen X [Auto]

 
[Gen1] Enables PCIe Gen1 support only.
[Gen2] Enables PCIe Gen2 support only.
 

Sets latency timer of PCI interface device.

Sets M.2 source link.
[Auto] M.2 source link will be switched automatically based on CPU BCLK

[PCH] Enables PCH when overclocking or last PCI Express x16 slot was
installed.
M.2 PCH Strap [M.2 PCH SATA]
Sets M.2 module interface when the “M.2 Source Link” set to [PCH].
[M.2 PCH SATA] Enables M.2 PCH SATA when M.2 SATA interface module was
installed.
[M.2 PCH PCIE] Enables M.2 PCH PCIE when M.2 PCIe interface module was
installed
ACPI Settings
Sets ACPI parameters of onboard power LED behaviors. Press <Enter> to enter the
sub-menu.
Power LED [Blinking]
Sets shining behaviors of the onboard Power LED.
 
 
Integrated Peripherals
Sets integrated peripherals’ parameters, such as LAN, HDD, USB and audio. Press
<Enter> to enter the sub-menu.
Onboard LAN Controller [Enabled]
Enables or disables the onboard LAN controller.
LAN Option ROM [Disabled]
Enables or disables the legacy network Boot Option ROM for detailed settings.
This item will appear when "Onboard LAN Controller" is enabled.
[Enabled] Enables the onboard LAN Boot ROM.
[Disabled] Disables the onboard LAN Boot ROM.
Network Stack [Disabled]

[Enabled] Enables UEFI network stack.
[Disabled] Disables UEFI network stack.