Adaptec AHA-2940U/2940UW/2940D PCI SCSI Controller Driver Download
The AHA-2940U/2940UW/2940D PCI SCSI 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 driver - "Various_Adapt_SCSI.zip" - has been downloaded 4,350 times and is rated 5 out of 5 stars based on 41 reviews. Our users report success installing this driver update on PCs running Windows 7 and Windows XP. The total disk space used for this update is 1.9 MB.
Supported Models
Various
Adaptec AIC-755x PCI SCSI Controller
Adaptec AHA-2910C/2915C/2920C/2930C PCI SCSI Controller
Adaptec AHA-2930CU PCI SCSI Controller
Adaptec AHA-2930U2 - Ultra2 SCSI
Adaptec AHA-2930UW PCI SCSI Controller
Adaptec AHA-2940/2940W PCI SCSI Controller
Adaptec AHA-2940/AHA-2940W PCI SCSI Controller
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95
File Name
Additional Notes
Various Adaptec SCSI Drivers old and newer. 78XX drivers are usually on board versions of 20XX drivers.
Uploaded By
Jon Schoen (DG Member) on 20-Aug-2002
Ratings & Reviews
See all Adaptec AHA-2940U/2940UW/2940D PCI SCSI Controller ratings and reviews
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| 1510B/7800MPD.TXT | 14.0 KB | 27 Jun 1997 |
| 1510B/ADAPTEC.INF | 11.3 KB | 27 Jan 1997 |
| 1510B/ADPINSTR.VXD | 17.6 KB | 20 Dec 1996 |
| 1510B/AHA154X.MPD | 11.3 KB | 23 Feb 1996 |
| 1510B/AIC78XX.INF | 10.6 KB | 1 Jul 1997 |
| 1510B/AIC78XX.MPD | 73.2 KB | 1 Jul 1997 |
| 1510B/FD16_700.MPD | 14.3 KB | 5 Apr 1996 |
| 1510B/README.TXT | 4.2 KB | 26 Feb 1997 |
| 1510B/SPARROW.MPD | 24.1 KB | 5 Nov 1996 |
| 1510B/T358.MPD | 17.4 KB | 19 Nov 1996 |
| 1510B/win95mpd.exe | 91.0 KB | 27 May 2001 |
| 7800_fms303_disk1.exe | 404.5 KB | 26 May 2001 |
| 7800_fms303_disk1.exe/DISK1 | 33 bytes | 16 Sep 1999 |
| 7800_fms303_disk1.exe/DOS/ASPI8DOS.SYS | 38.0 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/DOS/ASPI8U2.SYS | 40.8 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/DOS/ASPICD.SYS | 29.6 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/DOS/READDOS.TXT | 6.2 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/README.TXT | 607 bytes | 16 Sep 1999 |
| 7800_fms303_disk1.exe/TXTSETUP.OEM | 1.2 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/ADPINSTR.VXD | 17.6 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/AIC78U2.MPD | 83.5 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/AIC78XX.CAT | 33 bytes | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/AIC78XX.INF | 13.3 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/AIC78XX.MPD | 70.1 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/README95.TXT | 15.5 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WIN9X/README98.TXT | 13.1 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/3_5/AIC78U2.SYS | 81.7 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/3_5/AIC78XX.SYS | 69.6 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/3_5/OEMSETUP.INF | 15.9 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/4_0/AIC78U2.SYS | 75.8 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/4_0/AIC78XX.SYS | 63.7 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/4_0/OEMSETUP.INF | 15.9 KB | 16 Sep 1999 |
| 7800_fms303_disk1.exe/WINNT/README.TXT | 32.6 KB | 16 Sep 1999 |
| DISK1 | 33 bytes | 16 Sep 1999 |
| DOS/ASPI8DOS.SYS | 38.0 KB | 16 Sep 1999 |
| DOS/ASPI8U2.SYS | 40.8 KB | 16 Sep 1999 |
| DOS/ASPICD.SYS | 29.6 KB | 16 Sep 1999 |
| DOS/READDOS.TXT | 6.2 KB | 16 Sep 1999 |
| README.TXT | 607 bytes | 16 Sep 1999 |
| TXTSETUP.OEM | 1.2 KB | 16 Sep 1999 |
| WIN9X/ADPINSTR.VXD | 17.6 KB | 16 Sep 1999 |
| WIN9X/AIC78U2.MPD | 83.5 KB | 16 Sep 1999 |
| WIN9X/AIC78XX.CAT | 33 bytes | 16 Sep 1999 |
| WIN9X/AIC78XX.INF | 13.3 KB | 16 Sep 1999 |
| WIN9X/AIC78XX.MPD | 70.1 KB | 16 Sep 1999 |
| WIN9X/README95.TXT | 15.5 KB | 16 Sep 1999 |
| WIN9X/README98.TXT | 13.1 KB | 16 Sep 1999 |
| WINNT/3_5/AIC78U2.SYS | 81.7 KB | 16 Sep 1999 |
| WINNT/3_5/AIC78XX.SYS | 69.6 KB | 16 Sep 1999 |
| WINNT/3_5/OEMSETUP.INF | 15.9 KB | 16 Sep 1999 |
| WINNT/4_0/AIC78U2.SYS | 75.8 KB | 16 Sep 1999 |
| WINNT/4_0/AIC78XX.SYS | 63.7 KB | 16 Sep 1999 |
| WINNT/4_0/OEMSETUP.INF | 15.9 KB | 16 Sep 1999 |
| WINNT/README.TXT | 32.6 KB | 16 Sep 1999 |
| fms_on_cd_v40a_sp3a.exe | 705.1 KB | 30 Nov 2001 |
| fms_on_cd_v40a_sp3a.exe/ASPI8DOS.SYS | 38.0 KB | 16 Sep 1999 |
| fms_on_cd_v40a_sp3a.exe/ASPI8U2.SYS | 44.9 KB | 6 Dec 1999 |
| fms_on_cd_v40a_sp3a.exe/ASPICD.SYS | 29.6 KB | 22 Sep 1998 |
| fms_on_cd_v40a_sp3a.exe/DISK1 | 42 bytes | 9 Feb 2001 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/ADPT160M.DDI | 7.4 KB | 30 Nov 2000 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/ADPT160M.HAM | 131.4 KB | 30 Nov 2000 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/AHA2940.DDI | 9.9 KB | 12 Dec 2000 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/AHA2940.HAM | 135.7 KB | 30 Nov 2000 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/AIC78U2.DDI | 8.2 KB | 3 Apr 2000 |
| fms_on_cd_v40a_sp3a.exe/NETWARE/AIC78U2.HAM | 120.1 KB | 30 Nov 2000 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA/AIC78XX.INF | 16.0 KB | 20 Jun 2000 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA/AIC78XX.SYS | 69.3 KB | 7 Aug 2000 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA160/ADPU160M.INF | 5.5 KB | 28 Oct 1999 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA160/ADPU160M.SYS | 96.4 KB | 8 Aug 2000 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA160/HOTP160M.REG | 363 bytes | 12 Jun 1999 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA2/AIC78U2.INF | 15.9 KB | 20 Jun 2000 |
| fms_on_cd_v40a_sp3a.exe/NT4/ULTRA2/AIC78U2.SYS | 82.9 KB | 8 Aug 2000 |
| fms_on_cd_v40a_sp3a.exe/READDOS.TXT | 8.2 KB | 28 Mar 2001 |
| fms_on_cd_v40a_sp3a.exe/README.TXT | 6.3 KB | 13 Apr 2001 |
| fms_on_cd_v40a_sp3a.exe/TXTSETUP.OEM | 1.9 KB | 14 Mar 2001 |
| fms_on_cd_v40a_sp3a.exe/U160DSK1 | 42 bytes | 8 Feb 2001 |
| fms_on_cd_v40a_sp3a.exe/W2KDSK1 | 42 bytes | 9 Feb 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ADF6U160/ADF6U160.CAT | 8.6 KB | 12 Sep 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ADF6U160/ADF6U160.INF | 4.8 KB | 13 Apr 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ADF6U160/ADF6U160.SYS | 91.3 KB | 21 Feb 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA160/ADPU160M.CAT | 8.6 KB | 12 Sep 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA160/ADPU160M.INF | 6.4 KB | 13 Apr 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA160/ADPU160M.SYS | 91.3 KB | 21 Feb 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA2/AIC78U2.CAT | 8.6 KB | 12 Sep 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA2/AIC78U2.INF | 6.1 KB | 13 Apr 2001 |
| fms_on_cd_v40a_sp3a.exe/WIN2000/ULTRA2/AIC78U2.SYS | 71.8 KB | 8 Aug 2000 |
| fms_on_cd_v40a_sp3a.exe/Win95/Ultra/ADPINSTR.VXD | 17.6 KB | 16 Sep 1999 |
| fms_on_cd_v40a_sp3a.exe/Win95/Ultra/AIC78XX.CAT | 33 bytes | 16 Sep 1999 |
| fms_on_cd_v40a_sp3a.exe/Win95/Ultra/AIC78XX.INF | 13.3 KB | 21 Jun 2000 |
| fms_on_cd_v40a_sp3a.exe/Win95/Ultra/AIC78XX.MPD | 70.1 KB | 7 Aug 2000 |
| fms_on_cd_v40a_sp3a.exe/Win98_ME/Ultra160/ADPU160M.CAT | 7.8 KB | 12 Sep 2001 |
| fms_on_cd_v40a_sp3a.exe/Win98_ME/Ultra160/ADPU160M.INF | 2.8 KB | 17 Nov 2000 |
| fms_on_cd_v40a_sp3a.exe/Win98_ME/Ultra160/ADPU160M.MPD | 89.6 KB | 25 Oct 2000 |
| w2k_v100b_pci_drvs.exe | 255.0 KB | 30 Nov 2001 |
| w2k_v100b_pci_drvs.exe/WIN2000/2930U2/2930U2.CAT | 14 bytes | 9 Jul 1999 |
| w2k_v100b_pci_drvs.exe/WIN2000/2930U2/2930U2.INF | 4.4 KB | 20 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/2930U2/2930U2.SYS | 71.2 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ADF6U160/ADF6U160.CAT | 14 bytes | 9 Jul 1999 |
| w2k_v100b_pci_drvs.exe/WIN2000/ADF6U160/ADF6U160.INF | 4.8 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ADF6U160/ADF6U160.SYS | 81.4 KB | 16 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA/AIC78XX.CAT | 14 bytes | 9 Jul 1999 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA/AIC78XX.INF | 11.6 KB | 10 May 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA/AIC78XX.SYS | 56.9 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA160/ADPU160M.CAT | 14 bytes | 9 Jul 1999 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA160/ADPU160M.INF | 6.3 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA160/ADPU160M.SYS | 81.4 KB | 16 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA2/AIC78U2.CAT | 14 bytes | 9 Jul 1999 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA2/AIC78U2.INF | 6.1 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/WIN2000/ULTRA2/AIC78U2.SYS | 65.4 KB | 15 Mar 2000 |
| w2k_v100b_pci_drvs.exe/txtsetup.oem | 5.1 KB | 20 Mar 2000 |
| w2k_v100b_pci_drvs.exe/w2kdsk1 | 31 bytes | 2 Mar 2000 |
How to Update Adaptec AHA-2940U/2940UW/2940D PCI SCSI Controller Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Adaptec AHA-2940U/2940UW/2940D PCI SCSI Controller 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 AHA-2940U/2940UW/2940D PCI SCSI Controller 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
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.