Chapter 3
3-9 BIOS Setup
Advanced
▶PCI Subsystem Settings
Sets PCI, PCI express interface protocol and latency timer. Press <Enter> to enter the
sub-menu.
▶PEGX - Gen X [Auto]
Sets PCI Express protocol for matching different installed devices.
[Auto] Enables all PCIe Gen1, Gen2 and Gen3. supports.
[Gen1] Enables PCIe Gen1 support only.
[Gen2] Enables PCIe Gen2 support only.
[Gen3] Enables PCIe Gen3 support only.
▶PCI Latency Timer [32]
Sets latency timer of PCI interface device.
[Options: 32, 64, 96, 128, 160, 192, 224, 248 PCI Bus clocks]
▶M.2 Source Link
Sets M.2 source link.
[Auto] M.2 source link will be switched automatically based on CPU BCLK
frequency or XMP profiles.
[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.
[Dual Color] The power LED turns to another color to indicate the S3 state.
[Blinking] The power LED blinks to indicate the S3 state.
▶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.