Atto ExpressPCI UL5D LP Driver Download (Official)

3 Ratings

Supported Models

ExpressPCI UL5D LP Driver

ATTO Empty LUN Driver

ATTO ExpressPCI 4DRO SCSI Adapter Driver

ATTO ExpressPCI 4SRO SCSI Adapter Driver

ATTO ExpressPCI 5DRO LP SCSI Adapter Driver

ATTO ExpressPCI 5DRO SCSI Adapter Driver

ATTO ExpressPCI UL4D SCSI Adapter Driver

ATTO ExpressPCI UL4S SCSI Adapter Driver

ATTO ExpressPCI UL5D LP SCSI Adapter Driver

ATTO ExpressPCI UL5D SCSI Adapter Driver

ATTO ExpressSAS SCSI Enclosure Processor Driver

ATTO Phantom Device Driver

ATTO Unpopulated Channel Driver



Supported Operating Systems

Windows 2008, Windows Vista, Windows 2003, Windows XP, Windows 2000

File Name

winx86_drv_epciu320_311.exe (404.0 KB)


3.11 (26-Sep-2008) (2008-09-22) via .inf (2008-03-25) via .inf

Find Related Drivers

Uploader Notes

Dual-Channel Low-Profile Ultra320 SCSI PCIe Host Adapter

Uploaded By

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

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/ 9.6 KB 22 Sep 2008
Storport/express2.inf 4.8 KB 22 Sep 2008
Storport/express2.sys 83.0 KB 22 Sep 2008
Storport/makedisk.bat 959 bytes 1 Apr 2008
Storport/makedisk.exe 16.4 KB 15 Oct 2006 9.2 KB 22 Sep 2008
attomtln.inf 2.3 KB 25 Mar 2008
express2 41 bytes 12 Jan 2005 9.6 KB 22 Sep 2008
express2.inf 4.8 KB 22 Sep 2008
express2.sys 82.5 KB 22 Sep 2008
makedisk.bat 939 bytes 21 Nov 2007
makedisk.exe 16.4 KB 15 Oct 2006
txtsetup.oem 782 bytes 27 Jun 2006

How to Update ExpressPCI UL5D LP Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the ExpressPCI UL5D LP 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 ExpressPCI UL5D LP 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 Driver Update Utility for ExpressPCI UL5D LP. 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

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.

How to Open Device Manager

  • In 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

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. 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.

This website is not affiliated with Atto. All company names/logos are properties of their owners.
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