Atto ExpressPCI UL4D Driver Download (Official)

Atto Technology Drivers

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 - "winxpx86_drv_epciu320_211.exe" - has been downloaded 65 times and is rated 5 out of 5 stars based on 11 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.

11 Ratings
65 Downloads

Supported Models

ExpressPCI UL4D

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

Manufacturers

Atto

Supported Operating Systems

Windows XP, Windows 2000

File Name

Versions

2.111.20 (2005-01-03) via .inf
2.11.100.0 (2005-11-11) via .inf

Additional Notes

ExpressPCI UL4D (Dual Channel Ultra320 SCSI)

ATTO ExpressPCI Host Adapter Drive

Uploaded By

Manivannan (DG Staff Member) on 25-Oct-2006

Driver Contents File List

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

How to Update ExpressPCI UL4D Device Drivers Quickly & Easily

Step 1 - Download Your Driver

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.

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 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

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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