ASUS F2A55 User Manual

2-18

ASUS F2A55

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.

Enables or disables onboard channel SATA port. Configuration options: [Disabled] [Enabled]

Allows you to set the SATA configuration.
[IDE] 

 Set to [IDE] when you want to use the Serial ATA hard disk drives as 

Parallel ATA physical storage devices.

[RAID] 

Set to [RAID] when you want to create a RAID configuration from the SATA 

hard disk drives.

[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.

SATA Port 5 - Port 6 [AHCI]
This item only appears when OnChip SATA Type is set to [AHCI]. If Port 5-6 are 

configured as [AHCI], the ports can only be used under OS with driver installed. 

Set to [IDE] instead of [AHCI] to access devices on Port 5-6 before entering OS. 

Configuration options: [AHCI] [IDE]
SATA Port 5 - Port 6 [RAID]
This item only appears when OnChip SATA Type is set to [RAID]. If Port 5-6 are 

configured as [RAID], the ports can only be used under OS with driver installed. 

Set to [IDE] instead of [RAID] to access devices on Port 5-6 before entering OS. 

Configuration options: [RAID] [IDE]

This item only appears when OnChip SATA Type is set to [RAID].
[Disabled] 

Disables this function.

[Legacy ROM]  Select this option when using legacy operating systems.
[UEFI DRIVER]  Select this option when using UEFI operating systems.

S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When 

read/write of your hard disk errors occur, this feature allows the hard disk to report warning 

messages during the POST. Configuration options: [Enabled] [Disabled]