The ExpressPCI UL4D 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 driver - "winx86_drv_epciu320_315.exe" - has been downloaded 80 times and is rated 5 out of 5 stars based on 6 reviews. The uploader reports that this update will work successfully on PCs running Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 404.0 KB.
ExpressPCI UL4D
ATTO Empty LUN
ATTO ExpressPCI 4DRO SCSI Adapter
ATTO ExpressPCI 4SRO SCSI Adapter
ATTO ExpressPCI 5DRO LP SCSI Adapter
ATTO ExpressPCI 5DRO SCSI Adapter
ATTO ExpressPCI UL4D SCSI Adapter
Windows 7, Windows 2008, Windows Vista, Windows 2003, Windows XP, Windows 2000
3.15 (24-Nov-2009)
SCSI Host Bus Adapter Driver
Dilipkumar (DG Staff Member) on 12-Apr-2010
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
Setup.exe | 342.0 KB | 18 Aug 2008 |
Storport/express2.cat | 9.6 KB | 6 Oct 2009 |
Storport/express2.inf | 4.8 KB | 6 Oct 2009 |
Storport/express2.sys | 84.0 KB | 6 Oct 2009 |
Storport/makedisk.bat | 911 bytes | 7 Jun 2009 |
Storport/makedisk.exe | 16.4 KB | 15 Oct 2006 |
attomtln.cat | 9.2 KB | 6 Oct 2009 |
attomtln.inf | 2.3 KB | 8 Aug 2009 |
express2 | 41 bytes | 12 Jan 2005 |
express2.cat | 9.6 KB | 6 Oct 2009 |
express2.inf | 4.8 KB | 6 Oct 2009 |
express2.sys | 83.5 KB | 6 Oct 2009 |
makedisk.bat | 891 bytes | 7 Jun 2009 |
makedisk.exe | 16.4 KB | 15 Oct 2006 |
txtsetup.oem | 782 bytes | 27 Jun 2006 |
To get the ExpressPCI UL4D 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 ExpressPCI UL4D 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.