MSI Z97I GAMING AC - Manual (Page 63)

Chapter 3
3-8 BIOS Setup 3-9 BIOS Setup
▶PEG X - 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]
▶ACPI Settings
Sets ACPI parameters of onboard power LED behaviors. Press 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
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]
Sets UEFI network stack for optimizing IPv4 / IPv6 function.
[Enabled] Enables UEFI network stack.
[Disabled] Disables UEFI network stack.
▶Ipv4 PXE Support [Enabled]
When “Enabled”, the system UEFI network stack will support Ipv4 protocol. This item
will appear when “Network Stack” is enabled.
[Enabled] Enables the Ipv4 PXE boot support.
[Disabled] Disables the Ipv4 PXE boot support.
▶Ipv6 PXE Support [Enabled]
When “Enabled”, the system UEFI network stack will support Ipv6 protocol. This item
will appear when “Network Stack” is enabled.
[Enabled] Enables the Ipv6 PXE boot support.
[Disabled] Disables the Ipv6 PXE boot support.
▶SATA Mode [AHCI Mode]
Sets the operation mode of the onboard SATA controller.
[Disabled] Disables the SATA function.
[IDE Mode] Specify the IDE mode for SATA storage devices.