Asus PRIME Z270-AR Series Manual

Also see for Prime Z270-AR Series: Bios manual Quick start guide

ASUS PRIME Z270-AR Series3-17Chapter 33.6.2 Platform Misc ConfigurationThe items in this menu allow you to change the ASPM for PCH and SA PCI Express.3.6.3 System Agent (SA) ConfigurationThe items in this menu allow you to adjust the Link Speed for PEG Port and Multi-Monitor.3.6.4 PCH ConfigurationThe items in this menu allow you to adjust the PCH PCI Express speed.PCI Express ConfigurationThis item allows you to configure the PCI Express slots.PCIe SpeedThis item allows your system to automatically select the PCI Express port speed.Configuration options: [Auto] [Gen1] [Gen2] [Gen3]3.6.5 PCH Storage ConfigurationWhile entering Setup, the BIOS automatically detects the presence of SATA devices. TheSATA Port items show Not Present if no SATA device is installed to the corresponding SATAport.SATA Controller(s)This item allows you to enable or disable the SATA Device.Configuration options: [Disabled] [Enabled]SATA Mode SelectionThis item allows you to set the SATA configuration.[AHCI] Set to [AHCI] when you want the SATA hard disk drives touse the AHCI (Advanced Host Controller Interface). TheAHCI allows the onboard storage driver to enable advancedSerial ATA features that increases storage performance onrandom workloads by allowing the drive to internally optimizethe order of commands.[Intel RST PremiumWith Intel OptaneSystem Acceleration(RAID)]Set to [Intel RST Premium With Intel Optane SystemAcceleration (RAID)] when you want to create a RAIDconfiguration from the SATA hard disk drives.