Atto Celerity FC-81EN Driver Download (Official)

Atto Technology Drivers

The Celerity FC-81EN is a disk drive controller manufactured by Atto Technology. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "winx86_drv_celerity8_100.exe" has been downloaded 14 times with a user rating of 5 out of 5 stars, based on 5 reviews. It is compatible with PCs running Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 789.0 KB.

Atto Celerity FC-81EN Automatic Driver Update Utility
5 Ratings

Supported Models

Celerity FC-81EN

ATTO Celerity FC-81EN Fibre Channel Adapter

ATTO Celerity FC-81EP Fibre Channel Adapter

ATTO Celerity FC-82EN Fibre Channel Adapter

ATTO Celerity FC-82EP Fibre Channel Adapter

ATTO Celerity FC-84EN Fibre Channel Adapter

ATTO Celerity FC-84EP Fibre Channel Adapter




Supported Operating Systems

Windows 2008, Windows Vista, Windows 2003, Windows XP

File Name


1.0 (26-Aug-2008) (2008-03-25) via .inf (2008-08-26) via .inf

Additional Notes

Single-Channel 8-Gb Fibre Channel PCIe 2.0 Host Adapter

Uploaded By

Sathishkumar (DG Staff Member) on 14-Aug-2009

How to Update Celerity FC-81EN Device Drivers

Step 1 - Download Your Driver

To get the Celerity FC-81EN driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Atto Celerity FC-81EN into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Atto Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Atto website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:

  1. Access the Quick Access menu by right-clicking the Start button.

  2. From the menu options, choose "Device Manager".

  3. Within Device Manager, identify the device requiring the driver update.

  4. Open the context menu for the device by right-clicking its name.

  5. Select "Update driver" and proceed through the guided installation.

To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.

Regular driver updates contribute to optimal system performance and hardware compatibility.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Setup.exe 342.0 KB 18 Aug 2008
Storport/attofc.dll 142.9 KB 15 Apr 2008
Storport/ 9.3 KB 26 Aug 2008
Storport/clrty8fc.inf 6.2 KB 26 Aug 2008
Storport/clrty8fc.sys 277.0 KB 26 Aug 2008
Storport/makedisk.bat 986 bytes 2 Apr 2008
Storport/makedisk.exe 16.4 KB 15 Oct 2006
attofc.dll 142.9 KB 15 Apr 2008 8.5 KB 26 Aug 2008
attomtln.inf 2.3 KB 25 Mar 2008
clrty8fc 48 bytes 2 Apr 2008 9.3 KB 26 Aug 2008
clrty8fc.inf 6.2 KB 26 Aug 2008
clrty8fc.sys 277.5 KB 26 Aug 2008
makedisk.bat 965 bytes 2 Apr 2008
makedisk.exe 16.4 KB 15 Oct 2006
txtsetup.oem 752 bytes 25 Apr 2008
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