Adaptec Ultra 320 HostRAID Drivers Driver Download (Official)

Adaptec Drivers

The Ultra 320 HostRAID Drivers is a disk drive controller manufactured by Adaptec. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "u320_hostraid_v101.exe" has been downloaded 402 times with a user rating of 5 out of 5 stars, based on 16 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 387.3 KB.

16 Ratings

Supported Models

Ultra 320 HostRAID Drivers

Adaptec AIC-7901A HostRAID driver

Adaptec AIC-7902 HostRAID driver

Adaptec ASC-29320 HostRAID driver

Adaptec ASC-29320B HostRAID driver

Adaptec ASC-29320LP HostRAID driver

Adaptec ASC-39320 HostRAID driver



Supported Operating Systems

Windows XP, Windows 2000, Windows NT4

File Name

Additional Notes

Ultra 320 HostRAID Drivers v1.01 for NT4, 2000 & XP

This file contains the HostRAID Drivers for the Adaptec SCSI Card 29320-R, 29320LP-R , 39320-R and 39320D-R for Windows NT4, Windows 2000 and Windows XP. These drivers will only work on cards that have the HostRAID bios loaded and enabled (v4.10.1 and above). BE SURE TO LOAD THE DRIVERS PRIOR TO FLASHING ANY CARDS BIOS TO v4.10.0 or above. The same driver is used for both Windows XP and Windows 2000. All retail versions of the Adaptec SCSI Card 29320-R, 29320LP-R, 39320-R and 39320D-R series have this BIOS loaded at the time of manufacture by Adaptec. For HostRAID support you need to enable this feature the BIOS.

Uploaded By

Rajesh (DG Staff Member) on 29-May-2004

Related Driver Updates

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
win2000/ 35 bytes 14 Aug 2002
win2000/a320raid.sys 215.0 KB 3 Oct 2002
win2000/oemsetup.inf 21.2 KB 5 Dec 2000
nt4/a320raid.sys 194.9 KB 3 Oct 2002
nt4/oemsetup.inf 19.5 KB 23 Mar 2001
winxp/ 35 bytes 14 Aug 2002
winxp/a320raid.sys 215.0 KB 3 Oct 2002
winxp/oemsetup.inf 21.2 KB 5 Dec 2000
hraidsk1 37 bytes 6 Sep 2002
ReadMe.txt 4.4 KB 4 Oct 2002
txtsetup.oem 8.2 KB 20 Sep 2001

How to Update Ultra 320 HostRAID Drivers Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Ultra 320 HostRAID Drivers 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 Adaptec Ultra 320 HostRAID Drivers 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 Adaptec 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 Adaptec 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 Adaptec. All company names/logos are properties of their owners.
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