MSI Z77A-G43 manual Advanced, Pcie GEN3

BIOS Setup

Advanced

▶PCI Subsystem Settings

Press <Enter> to enter the sub-menu.

▶PCIE GEN3

This item is used to enable/ disable the PCIe generation 3 support.

▶PCI LatencyTimer

Controls how long each PCI device can hold the bus before another takes over. When set to higher values, every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth.

▶ACPI Settings

Press <Enter> to enter the sub-menu.

▶ACPI Standby State

Specifies the power saving mode for ACPI function [S1] Sleep Mode. Hardware remains on.

[S3] Suspend to RAM. Turns off hardware. (Recommended)

▶Power LED

Configures how the system uses power LEDs on the case to indicate sleep/ suspend state.

[Single]	The power LED turns off during the sleep/suspend mode.
[Dual]	The power LED changes its color to indicate the sleep/suspend
	state.
[Blinking]	The power LED blinks to indicate the sleep/suspend state.

▶Integrated Peripherals

Press <Enter> to enter the sub-menu.

▶Onboard LAN Controller

This item allows you to enable/ disable the onboard LAN controller.

▶LAN Option ROM

This item is used to decide whether to invoke the Boot ROM of the onboard LAN.

▶SATA Mode

This item is used to specify RAID/ IDE/ AHCI mode for SATA port.

Important

You cannot switch between AHCI and IDE if you already have your operating system installed. If you have installed your OS using AHCI and you clear your BIOS/reset to default settings, you will need to change this function back to AHCI to ensure proper functionality.

▶SATA1~6 Hot Plug

These items are used to enable/ disable the SATA ports hot plug support.

▶HD Audio Controller

This item allows you to enable/ disable the HD audio controller.

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