Foxconn nT-i2847 - Manual (Page 19)

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AHCI mode is not available under Windows XP, please select IDE mode.
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SATA configuration
SATA Controller(s) [Enabled]
SATA Mode Selection [AHCI]
↑ ↓→ ←: Move
Enter: Select
+/-: Change Opt
ESC: Exit
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit Setup
F7:
Load User-defined Defaulta
F8: Save as User-defined
Enable/Disable SATA Device.
Version 2.15.1231. Copyright (C) 2012 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Advanced Power Security BootOptions Save & Exit Main Advanced
► SATA Controller(s)
[Disabled] : Disable SATA Controller.
[Enabled] : Enable SATA Controller.
► SATA Mode Selection
This item is used to set the operation mode of your SATA ports. Setting values are: [IDE];
[AHCI].
[IDE] - This configures the SATA ports to support IDE mode.
[AHCI] - The Advanced Host Controller Interface (AHCI) specification describes the register
level interface for a Host Controller for Serial ATA. The specification includes a description of
the hardware/software interface between system software and the host controller hardware.
AHCI provides more advanced features including SATA features, but some SATA drives may
not support AHCI, unless they are labeled with AHCI support in its specification.
If your motherboard supporting AHCI, and you have a SATA device, which also supports AHCI,
then you can select IDE option to have fair performance, or you can
select AHCI to get its best performance.