User Guide
ASUS Z270-WS
3-17
Chapter 3
3.6.2 Platform Misc Configuration
The items in this menu allow you to change the ASPM for PCH and SA PCI Express.
3.6.3 System Agent (SA) Configuration
The items in this menu allow you to adjust the Link Speed for PEG Port and Multi-Monitor.
3.6.4 PCH Configuration
The items in this menu allow you to adjust the PCH PCI Express speed.
PCI Express Configuration
This item allows you to congure the PCI Express slots.
PCIe Speed
This item allows your system to automatically select the PCI Express port speed.
Conguration options: [Auto] [Gen1] [Gen2] [Gen3]
3.6.5 PCH Storage Configuration
While entering Setup, the BIOS automatically detects the presence of SATA devices. The
SATA Port items show Not Present if no SATA device is installed to the corresponding SATA
port.
SATA Controller(s)
This item allows you to enable or disable the SATA Device.
Conguration options: [Disabled] [Enabled]
SATA Mode Selection
This item allows you to set the SATA conguration.
[AHCI] Set to [AHCI] when you want the SATA hard disk drives to
use the AHCI (Advanced Host Controller Interface). The
AHCI allows the onboard storage driver to enable advanced
Serial ATA features that increases storage performance on
random workloads by allowing the drive to internally optimize
the order of commands.
[Intel RST Premium
With Intel Optane
System Acceleration
(RAID)]
Set to [Intel RST Premium With Intel Optane System
Acceleration (RAID)] when you want to create a RAID
conguration from the SATA hard disk drives.