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3 New Windows OS Installation
When you install a new or different copy of the Windows operating system on a disk attached to an ATTO
ExpressSAS adapter, you must reinstall the ATTO ExpressSAS drivers.
If you are changing the version of Windows you are
using or installing a fresh copy of your current version
onto your system, you must ensure Windows
recognizes your ATTO ExpressSAS and uses its
drivers.
You may create an installation media (disk, CD or USB
flash drive) from a file from the ATTO website, then
use that media to install the adapter and its driver to
the new version of Windows.
Follow these procedures after you have completed
installation of the ExpressSAS adapter and you have
connected storage devices (refer to
on page 15).
Adjusting Adapter settings with the EFI
Configuration Utility
Depending on your configuration, it may be necessary
to adjust adapter NVRAM settings prior to performing
the Windows installation. For example, you may need
to modify the device wait time. The EFI configuration
utility can be launched from an EFI shell. A built-in EFI
shell is included with many PC platforms. If your
platform does not have a built-in EFI shell, one can be
obtained at http://tianocore.sourceforge.net.
Once in the EFI shell, do the following to open the EFI
Configuration Utility:
1
At the prompt, enter the drivers -b command.
Scroll through the list of installed EFI drivers
and find the ATTO ExpressSAS driver. There
may be more than one entry based on the
number and type of adapter(s). Note the two or
three digit hexadecimal driver handle on the far
left of the screen.
2
At the prompt, enter drvcfg -s {handle} where
{handle} is the hexadecimal number from the
previous step. This will launch the EFI
Configuration Utility for the associated adapter.
3
Use the on-screen menus to configure your
adapter. Help is available at the bottom of the
screen.
4
When exiting the configuration utility, if you
changed any settings, the system will restart
the adapter so the new settings take effect.
5
Power Center Pro HBA RAID Solution
Power Center Pro is an integrated software RAID
solution that brings the performance and protection of
RAID to storage devices attached to your ATTO
ExpressSAS 12Gb host adapters.
ATTO's Power Center Pro is a RAID 0, 1, 1e and 10
solution included for use with ExpressSAS 12Gb SAS
Install Hardware
HBAs with internal connections, providing a cost-
effective option that adds performance and protection
to your storage architecture.
To learn more about using and configuring Power
Center Pro RAID groups, refer to the EFI section
ATTO Utilities Manual on setting up RG to install the
OS (www.attotech.com).
Creating ExpressSAS installation media
from a file
1
2
3
4
5
6
7
8
9
10 Select a destination folder and click Unzip to
At the prompt, enter exit to return to the EFI
boot manager or reset to restart the system.
Go to www.attotech.com.
Put your cursor over Downloads then click on
Driver downloads from the splash screen
menu.
Register or log in if previously registered.
Select SAS/SATA Host & RAID adapters from
the product list.
Select your model.
From the table, find your Operating System.
Click on the entry for the latest driver.
A download window appears. Follow the
instructions for downloading the driver.
Internet Explorer users may select Run to
automatically run the downloaded self-
extracting executable file.
All other browser users select a download
destination and run the self-extracting
executable file.
Uncheck When done unzipping open
\Setup.exe.
extract the driver files.
12
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