The Celerity FC-21PS is a network device manufactured by Atto Technology. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. Visitors have downloaded this file "winx86_drv_celerity_218.exe" 18 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista and Windows XP. The total disk space used for this update is 731.3 KB.
Celerity FC-21PS
ATTO Celerity FC-21PS Fibre Channel Adapter
ATTO Celerity FC-22XH Fibre Channel Adapter
ATTO Celerity FC-22XS Fibre Channel Adapter
ATTO Celerity FC-24XL Fibre Channel Adapter
ATTO Celerity FC-24XS Fibre Channel Adapter
ATTO Celerity FC-41ES Fibre Channel Adapter
ATTO Celerity FC-41XA Fibre Channel Adapter
Windows Vista, Windows Vista (64 bit), Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95
2.182.18.2.0 (2006-07-25) via .inf
1.20 (2005-01-03) via .inf
2.10.2.0 (2005-03-21) via .inf
Celerity FC-21PS
OS: Windows Celerity Fibre Channel Driver v2.18 for IA-32 (x86)
Network Adapter Driver File
Manivannan (DG Staff Member) on 20-Oct-2006
PCI\VEN_103C&DEV_1029&SUBSYS_001C117C
PCI\VEN_15BC&DEV_0100&SUBSYS_001D117C
PCI\VEN_15BC&DEV_0101&SUBSYS_001D117C
PCI\VEN_15BC&DEV_0101&SUBSYS_001E117C
PCI\VEN_15BC&DEV_0101&SUBSYS_0020117C
PCI\VEN_15BC&DEV_0101&SUBSYS_0021117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0022117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0023117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0024117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0025117C
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
ATTOFC.DLL | 114.7 KB | 25 Jul 2006 |
ATTOMTLN.CAT | 8.3 KB | 19 Dec 2005 |
ATTOMTLN.INF | 1.1 KB | 3 Jan 2005 |
CLRTYFC | 38 bytes | 24 Nov 2003 |
CLRTYFC.INF | 6.4 KB | 25 Jul 2006 |
CLRTYFC.SYS | 244.2 KB | 25 Jul 2006 |
CLRTYMEM.INF | 1.9 KB | 21 Mar 2005 |
CLRTYMEM.SYS | 15.4 KB | 21 Mar 2005 |
Contents.txt | 2.1 KB | 15 May 2006 |
ELT-1MB.reg | 1.5 KB | 15 Dec 2004 |
ELT-256K.reg | 1.5 KB | 8 Mar 2005 |
ELT-64K.reg | 1.5 KB | 15 Dec 2004 |
ELT-unl.reg | 1.5 KB | 15 Dec 2004 |
EnbMem.reg | 1.5 KB | 3 Dec 2004 |
FDMI.REG | 850 bytes | 3 Dec 2004 |
MAKEDISK.BAT | 526 bytes | 1 Apr 2006 |
Makedisk.exe | 16.4 KB | 24 May 2005 |
ReadMe.txt | 995 bytes | 16 Jun 2006 |
Registry.txt | 16.6 KB | 19 Jul 2006 |
SELBOOT.TXT | 5.3 KB | 5 Jan 2005 |
SETUP.EXE | 65.5 KB | 5 Jan 2005 |
STORPORT/41XA/ATTOFC.DLL | 102.4 KB | 29 Sep 2005 |
STORPORT/41XA/CLRTYFCA | 48 bytes | 18 Jul 2006 |
STORPORT/41XA/MAKEDISK.BAT | 722 bytes | 19 Jul 2006 |
STORPORT/41XA/MAKEDISK.EXE | 16.4 KB | 24 May 2005 |
STORPORT/41XA/WINSRV03.TXT | 8.4 KB | 25 Jan 2005 |
STORPORT/41XA/clrtyfca.inf | 3.8 KB | 25 Jul 2006 |
STORPORT/41XA/clrtyfca.sys | 244.2 KB | 25 Jul 2006 |
STORPORT/ATTOFC.DLL | 114.7 KB | 25 Jul 2006 |
STORPORT/CLRTYFC.INF | 6.4 KB | 25 Jul 2006 |
STORPORT/CLRTYFC.SYS | 244.2 KB | 25 Jul 2006 |
STORPORT/MAKEDISK.BAT | 690 bytes | 16 May 2006 |
STORPORT/Makedisk.exe | 16.4 KB | 24 May 2005 |
STORPORT/WinSrv03.txt | 8.4 KB | 25 Jan 2005 |
TARGET.REG | 429 bytes | 3 Dec 2004 |
TXTSETUP.OEM | 1.1 KB | 15 Jun 2006 |
WIN_2000.TXT | 7.9 KB | 14 Jan 2005 |
WinSrv03.txt | 7.9 KB | 14 Jan 2005 |
Win_XP.txt | 7.9 KB | 14 Jan 2005 |
events.txt | 28.8 KB | 15 Jul 2006 |
To get the Celerity FC-21PS 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-21PS 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.
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
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.