Atto ExpressPCI UL4S Driver Download (Official)
The ExpressPCI UL4S 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. Visitors have downloaded this file "winxpx64_drv_epciu320_300.exe" 24 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 XP. The total disk space used for this update is 150.2 KB.
Supported Models
ExpressPCI UL4S
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
ATTO ExpressPCI UL4S SCSI Adapter
ATTO ExpressPCI UL5D LP SCSI Adapter
Manufacturers
Supported Operating Systems
Windows XP (64 bit)
File Name
winxpx64_drv_epciu320_300.exe (150.2 KB)
Versions
3.003.00.100.0 (2006-07-21) via .inf
Additional Notes
Single-Channel Full-Height Ultra320 SCSI PCI-X Host Adapter
Uploaded By
Sathishkumar (DG Staff Member) on 14-Aug-2009
Related Driver Updates
How to Update ExpressPCI UL4S Device Drivers
Step 1 - Download Your Driver
To get the ExpressPCI UL4S 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 UL4S 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:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
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 |
|---|---|---|
| Contents.txt | 1.3 KB | 12 Jun 2006 |
| ELT-1MB.reg | 1.5 KB | 12 Jan 2005 |
| ELT-256K.reg | 1.5 KB | 23 Feb 2005 |
| ELT-64K.reg | 1.5 KB | 12 Jan 2005 |
| ELT-unl.reg | 1.5 KB | 12 Jan 2005 |
| Express2 | 41 bytes | 12 Jan 2005 |
| Express2.inf | 4.7 KB | 21 Jul 2006 |
| Latency.reg | 542 bytes | 2 Apr 2003 |
| Makedisk.bat | 291 bytes | 5 Mar 2006 |
| Makedisk.exe | 16.4 KB | 24 May 2005 |
| Perform.txt | 5.9 KB | 12 Jun 2006 |
| Readme.txt | 1.3 KB | 12 Jun 2006 |
| Registry.txt | 1.6 KB | 12 Jan 2005 |
| Setup.exe | 66.6 KB | 24 May 2006 |
| TXTSETUP.OEM | 782 bytes | 27 Jun 2006 |
| WinSrv03.txt | 7.5 KB | 11 May 2005 |
| Win_XP.txt | 7.5 KB | 11 May 2005 |
| express2.cat | 9.4 KB | 30 Nov 2006 |
| express2.sys | 92.7 KB | 21 Jul 2006 |