************************************************************
************************************************************
This document outlines the procedure for manually removing 
the Intel(R) Rapid Storage Technology enterprise driver software and
reconfiguring the system to use the native operating system
driver for managing storage controllers.

To complete this procedure, first print this document for use
as a reference. Then, complete Part 1 to determine the SATA
controller mode. Depending on the mode determined in Part 1, 
complete either Part 2A or 2B.

WARNING: Reconfiguring the system may result in the loss of 
data on any RAID volumes currently used by the system. Removing 
the Intel Rapid Storage Technology enterprise driver from the boot drive or 
bootable RAID volume may require reinstallation of the 
operating system. To preserve data integrity, back up 
all data before proceeding. 

************************************************************
* Part 1: Determining the System Mode
************************************************************

The steps for removing this software differ depending on 
whether the system is running in RAID or AHCI mode.

Determine the system's mode by identifying how the SATA 
controller is presented within the Device Manager by 
completing the steps below:

1.  On the Start menu, select Control Panel.

In Microsoft Windows XP*:

2.  Double-click 'System' from the Classic View.

3.  Select the 'Hardware' tab.

4.  Click 'Device Manager'.

5.  In the Device Manager window, look for an entry named 
    SCSI and RAID Controllers. If this entry is present, 
    expand it and look for one of the following controllers. 
    Otherwise, proceed to step 6:

In Microsoft Windows Vista* or higher:
    
2.  Double-click 'System' from the Classic View (or the 
    small or large icon view in Windows 7*).

3.  Select 'Device Manager' in the left pane.

4.  In the Device Manager window, look for an entry named 
    Storage Controllers. If this entry is present, expand it
    and look for one of the following controllers. Otherwise,
    proceed to step 6:

    - 'Intel(R) C600 series chipset SAS RAID (SATA Mode)
      Controller'
      If the controller above is present, the system is a
      C600 series chipset (SATA Mode) SAS system in RAID mode. 
      Continue with Part 2A below.

    - 'Intel(R) C600 series chipset SAS RAID Controller'
      If the controller above is present, the system is a
      C600 series chipset SAS system in RAID mode. 
      Continue with Part 2A below.

    - 'Intel(R) C600 series chipset SATA RAID Controller'
      If the controller above is present, the system is a
      C600 series chipset SATA system in RAID mode. 
      Continue with Part 2A below.
  
    - If none of the controllers above are shown, then 
      the system is not running in RAID mode. 
      Continue with step 6 below.

6.  In the Device Manager window, look for an entry named 
    'IDE ATA/ATAPI controllers'.
    If this entry is present, expand it and look for one of
    the following controllers:

    - 'Intel(R) C600 series chipset SATA AHCI Controller'
      If the controller above is present, the system is an 
      C600 series chipset SATA system in AHCI mode. 
      Continue with Part 2B below.

    - If none of the controllers above are shown, then 
      the system is not in AHCI mode. No other modes are 
      supported by the Intel Rapid Storage Technology enterprise 
      software. Continue with step 7 below.

7.  The system does not appear to be running in RAID or 
    AHCI mode. If you feel that the system is running in 
    RAID or AHCI mode and you do not see any of the 
    controllers listed above, contact the system manufacturer 
    or the place of purchase for assistance. You cannot 
    continue with Part 2 below until the system mode is 
    determined.



************************************************************
* Part 2A: System in RAID Mode
************************************************************

The procedure in this section can only be performed on a 
system that is in RAID mode. Do not continue with this 
procedure unless you have completed the steps in Part 1
above to determine this is true for this system. Before 
continuing, be sure to read the warnings below.

WARNINGS:
a. If a RAID 0 volume is deleted, all data on that volume 
   will be permanently deleted. Back up all critical data 
   before continuing. 

b. If system files are located on a disk or volume connected 
   to the RAID controller, these files will be deleted and the 
   operating system will have to be reinstalled.


1.  Ensure you have read and understand the warnings listed
    above.

2.  Reboot the system.

3.  Enter the pre-boot user interface and continue with step 4 below. 
    If the pre-boot user interface is not accessible, skip step 4 
    and continue with step 5 below.     

4.  Complete this procedure if the option ROM is installed:

    4a. Enter the option ROM Configuration Utility by pressing 
	Ctrl-I when prompted during the system startup.
    4b. In the setup program, select menu option 2 to enter 
	'Delete RAID Volume' menu.
    4c. Select the volume you want to delete using up or down 
        arrow keys.
    4d. Press 'Del' key to delete the selected volume, and 
        press 'Y' to confirm deletion. Repeat this step as 
        necessary to delete all volumes that are present. 
    4e. Exit the setup program.
    4f. Enter the system BIOS Setup (usually done by either 
        pressing a key 'F2' or 'Delete' as soon as the system 
	begins to boot).
    4g. Change the IDE configuration for the Serial ATA
        Controller from 'RAID' to 'IDE'.
    4h. Save changes and exit the system BIOS setup.

5.  Complete this procedure if the option ROM is not installed:

    5a. Enter the system BIOS Setup (usually done by either
        pressing a key such as 'F2' or 'Delete' as soon 
        as the system begins to boot).
    5b. Change the IDE configuration for the Serial ATA
        Controller from 'RAID' to 'IDE'.
    5c. Save changes and exit the system BIOS setup.

6.  Reboot the system.



************************************************************
* Part 2B: System in AHCI Mode
************************************************************

The procedure in this section can only be performed on a 
system that is in AHCI mode. Do not continue with this 
procedure unless you have completed the steps in Part 1
above to determine this is true for this system. It is
recommended that you back up all important data 
before continuing. 

1.  Reboot the system.

2.  Enter the system BIOS Setup (usually done by either
    pressing a key such as 'F2' or 'Delete' as soon as 
    the system begins to boot). 

3.  Change the IDE configuration for the Serial ATA
    controller from 'AHCI' to 'IDE'.

4.  Save changes and exit the system BIOS setup.

5.  Reboot the system. The operating system should 
    start as before.


Note: If you experience any difficulties making these 
changes to the system BIOS, please contact the motherboard 
manufacturer or the place of purchase for assistance.


************************************************************
* DISCLAIMER                                               *
************************************************************

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