40 ATTO Technology Inc. ATTO ExpressSAS Host & RAID Adapter Installation and Operation Manual
8 Troubleshooting
This chapter contains solutions for the most common problems you might encounter. If you need additional
assistance, please refer to the ATTO Technology website (
www.attotech.com
) or contact an ATTO Technology
authorized representative.
General suggestions
• Check each cable connection on every device.
• Verify all cables are in proper working condition.
Loose or broken cables are often the cause of
errors or problems.
• Check that devices are plugged into an AC outlet
and are turned on before you add power to your
computer.
• Ensure you have the latest driver for your
operating system and that the driver is installed
(refer to
page 9
).
• Ensure the ExpressSAS adapter is installed
properly in the computer (refer to
Install
Hardware
on page 15).
If the RAID adapter is not accessible
1
Open the ATTO
ConfigTool
from the ATTO
Utilities which can be downloaded from the
ATTO website. Refer to the
ATTO Utilities
Installation and Operation Manual
for additional
information.
Note
Logging features are only available if the
ATTO ConfigTool service is installed. We
recommend installing the service as a
minimum configuration.
2
If the adapter does not appear in the
Device
Listing
, make sure it is properly seated in the
PCI slot.
a. Remove power from the PC.
b. Remove the case.
c. Check the PCI slot.
d. Replace the case.
e. Apply power.
Note
If it is properly seated and devices are still
not accessible, contact an ATTO Technology
authorized representative.
3
Verify the driver is loaded.
a. Click on the adapter name in the
Device
Listing
to view the
Basic Info
screen.
b. If the
Driver Information
section indicates
Unknown: driver not loaded,
reinstall the
driver (refer to
page 9
).
c. If reinstalling the driver does not fix the
problem, contact an ATTO authorized
representative.
4
Reset the NVRAM for all channels to defaults
and reboot. If the problem persists, contact an
ATTO authorized representative.
Note
For OS X systems, when calling ATTO
Technical Support, please have a printout of
the IOreg listing and output from the Apple
System Profiler available.
