MSI X99S GAMING 7 Manual - Manual (Page 75)

Chapter 3
3-8 BIOS Setup 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]
▶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.
▶Network Stack [Disabled]
Sets UEFI network stack for optimizing IPv4 / IPv6 function.
[Enabled] Enables UEFI network stack.
[Disabled] Disables UEFI network stack.
▶SATA Mode [AHCI Mode] (For SATA1~6)
Sets the operation mode of the onboard 1st SATA controller.
[IDE Mode] Specify the IDE mode for SATA storage devices.
[AHCI Mode] Specify the AHCI mode for SATA storage devices. AHCI (Advanced
Host Controller Interface) offers some advanced features to enhance
the speed and performance of SATA storage device, such as Native
Command Queuing (NCQ) and hot-plugging.
[RAID Mode] Enables RAID function for SATA storage devices.