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11 ATTO Technology Inc. ATTO ExpressSAS Host Adapter Installation and Operation Manual
5 Troubleshooting
This chapter contains solutions for the most common problems you might encounter. If you need
additional assistance, please refer to the ATTO Technology web site (
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 Install drivers
on page 3).
• Ensure the ExpressSAS adapter is installed
properly in the computer (refer to Install
hardware on page 5).
If the RAID adapter is not accessible
1 Open the ATTO Configuration Tool from the
ATTO Utilities CD or download from the ATTO
web site. Refer to the ATTO Utilities Installation
and Operation Manual for additional
information.
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
Install drivers
on page 3.
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
When calling ATTO Technical Support,
please have a printout of the IOreg listing
and output from the Apple System Profiler
available.