Mecer AHA-2940W Driver Download (Official)

Mecer Drivers

The AHA-2940W is a disk drive controller manufactured by Mecer. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This update - "" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 45 times. The total disk space used for this update is 316.1 KB.

8 Ratings

Supported Models


Adaptec AIC-755x PCI SCSI Controller

Adaptec AHA-2930CU PCI SCSI Controller

Adaptec AHA-2930UW PCI SCSI Controller

Adaptec AHA-2940/AHA-2940W PCI SCSI Controller

Adaptec AHA-2940AU PCI SCSI Controller

Adaptec AHA-2940U/AHA-2940UW PCI SCSI Controller

Adaptec AHA-2940U/UW Dual/AHA-394xAU/AUW/AUWD PCI SCSI Controller




Supported Operating Systems

Not Applicable

File Name

Additional Notes


SCSI Driver File

Uploaded By

Jegadesh (DG Staff Member) on 6-Jul-2007

How to Update AHA-2940W Device Drivers

Step 1 - Download Your Driver

To get the AHA-2940W 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 Mecer AHA-2940W 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 Mecer 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 Mecer website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.

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
DISK1 33 bytes 31 Dec 1994
README.TXT 576 bytes 9 Dec 1998
TXTSETUP.OEM 1.2 KB 6 Jul 1998
WIN9X/ADPINSTR.VXD 17.6 KB 20 Dec 1996
WIN9X/AIC78U2.MPD 89.6 KB 24 Nov 1998
WIN9X/AIC78XX.CAT 33 bytes 31 Aug 1998
WIN9X/AIC78XX.INF 13.3 KB 15 Jan 1999
WIN9X/AIC78XX.MPD 76.3 KB 18 Jan 1999
WIN9X/README95.TXT 16.8 KB 6 Jan 1999
WIN9X/README98.TXT 14.3 KB 6 Jan 1999
WINNT/3_5/AIC78U2.SYS 81.7 KB 24 Nov 1998
WINNT/3_5/AIC78XX.SYS 69.6 KB 18 Jan 1999
WINNT/3_5/OEMSETUP.INF 15.9 KB 17 Jul 1998
WINNT/4_0/AIC78U2.SYS 82.1 KB 24 Nov 1998
WINNT/4_0/AIC78XX.SYS 70.0 KB 18 Jan 1999
WINNT/4_0/OEMSETUP.INF 16.8 KB 6 Jul 1998
WINNT/README.TXT 33.8 KB 6 Jan 1999
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