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. This version of "winxpx86_drv_epciu320_211.exe" has been downloaded 41 times with a user rating of 5 out of 5 stars, based on 5 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 431.2 KB.
ExpressPCI UL4S
ATTO Empty LUN
ATTO ExpressPCI UL4D SCSI Adapter
ATTO ExpressPCI UL4S SCSI Adapter
ATTO ExpressPCI UL5D SCSI Adapter
ATTO Phantom Device
ATTO Unpopulated Secondary Channel
Windows XP, Windows 2000
2.112.11.100.0 (2005-11-11) via .inf
1.20 (2005-01-03) via .inf
ExpressPCI UL4S (Single Channel Ultra320 SCSI)
ATTO ExpressPCI Host Adapter Driver
Manivannan (DG Staff Member) on 25-Oct-2006
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
ATTOMTLN.INF | 1.1 KB | 3 Jan 2005 |
Dos/Dos.txt | 4.6 KB | 19 Nov 2001 |
Dos/EXPRESS2.SYS | 51.4 KB | 11 Nov 2005 |
Dos/SYMCD.SYS | 14.0 KB | 22 Nov 1996 |
Dos/utility/BOOTROM2.SYS | 40.2 KB | 11 Nov 2005 |
Dos/utility/CONFIG2.COM | 52.7 KB | 11 Nov 2005 |
Dos/utility/Epci_mac.u4d | 80.4 KB | 25 Oct 2005 |
Dos/utility/FLASH2.EXE | 42.2 KB | 11 Nov 2005 |
Dos/utility/FLASH2.TXT | 2.7 KB | 13 May 2003 |
Dos/utility/FW_1030.bin | 42.8 KB | 28 Jan 2005 |
Dos/utility/FW_1030.nvr | 2.0 KB | 11 Jan 2005 |
Dos/utility/Flash.bat | 16 bytes | 1 Mar 2002 |
Dos/utility/SCANPCI.EXE | 18.9 KB | 17 Nov 1999 |
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 | 2.5 KB | 11 Nov 2005 |
Latency.reg | 542 bytes | 2 Apr 2003 |
Makedisk.bat | 535 bytes | 24 May 2005 |
Makedisk.exe | 16.4 KB | 24 May 2005 |
Perform.txt | 7.7 KB | 12 Jan 2005 |
Readme.txt | 1.9 KB | 11 Nov 2005 |
Registry.txt | 1.6 KB | 12 Jan 2005 |
Setup.exe | 65.5 KB | 5 Jan 2005 |
Stripe.txt | 9.1 KB | 12 Jan 2005 |
TXTSETUP.OEM | 782 bytes | 13 Sep 2005 |
WinSrv03.txt | 7.5 KB | 11 May 2005 |
Win_2000.txt | 7.5 KB | 11 May 2005 |
Win_XP.txt | 7.5 KB | 11 May 2005 |
attomtln.cat | 8.3 KB | 19 Dec 2005 |
express2.cat | 8.8 KB | 19 Dec 2005 |
express2.sys | 109.1 KB | 11 Nov 2005 |
packing.lst | 2.4 KB | 12 Jan 2005 |
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.
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.