MSI Z77A User Guide - Page 48

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BIOS Setup Advanced ▶ PCI Subsystem Settings Press to enter the sub-menu. ▶ PCIE GEN3 When set to [Enabled], the feature allows PCIe 3.0 slots support expansion cards with PCIe generation 3.0 link speed. To avoid PCIe 1.0, 2.0 card compatibility problems, you can set to [Disabled]. ▶ PCI Latency Timer 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 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. [Blinking] The power LED blinks to indicate the sleep/suspend state. [Dual Color] The power LED changes its color to indicate the sleep/suspend state. ▶ Integrated Peripherals Press 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. ▶ Port 1~6 Hot Plug These items are used to enable/ disable the SATA ports hot plug support. 2-6

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2-6
BIOS Setup
Advanced
PCI Subsystem Sett±ngs
Press <Enter> to enter the sub-menu.
PCIE GEN3
When set to [Enabled], the feature allows PCIe 3.0 slots support expans±on cards
w±th PCIe generat±on 3.0 l±nk speed. To avo±d PCIe 1.0, 2.0 card compat±b±l±ty
problems, you can set to [D±sabled].
PCI Latency T±mer
Controls how long each PCI dev±ce can hold the bus before another takes over.
When set to h±gher values, every PCI dev±ce can conduct transact±ons for a longer
t±me and thus ±mprove the effect±ve PCI bandw±dth.
ACPI Sett±ngs
Press <Enter> to enter the sub-menu.
ACPI Standby State
Spec±fies the power sav±ng mode for ACPI funct±on
[S1]
Sleep Mode. Hardware rema±ns on.
[S3]
Suspend to RAM. Turns off hardware. (Recommended)
Power LED
Configures how the system uses power LEDs on the case to ±nd±cate sleep/
suspend state.
[Bl±nk±ng]
The power LED bl±nks to ±nd±cate the sleep/suspend state.
[Dual Color]
The power LED changes ±ts color to ±nd±cate the sleep/suspend
state.
Integrated Per±pherals
Press <Enter> to enter the sub-menu.
Onboard LAN Controller
Th±s ±tem allows you to enable/ d±sable the onboard LAN controller.
LAN Opt±on ROM
Th±s ±tem ±s used to dec±de whether to ±nvoke the Boot ROM of the onboard LAN.
SATA Mode
Th±s ±tem ±s used to spec±fy RAID/ IDE/ AHCI mode for SATA port.
Important
You cannot sw±tch between AHCI and IDE ±f you already have your operat±ng system
±nstalled. If you have ±nstalled your OS us±ng AHCI and you clear your BIOS/reset to
default sett±ngs, you w±ll need to change th±s funct±on back to AHCI to ensure proper
funct±onal±ty.
Port 1~6 Hot Plug
These ±tems are used to enable/ d±sable the SATA ports hot plug support.
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