Well, you are the next best thing to the manufacturer. Apparently, WinXP bit can use the aic78u2. This happened even when I tried to install the driver using the Add Legacy Hardware option. Next step was to get the driver for the scanner. Thanks for letting me know.

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This is a great fix, thank you very much. This 64b driver is tremendously useful — well done! This is a SCSI printer?

Thank you so much for doing this and more importantly for sharing. I donwloaded the driver file, changed part of one line, and the card was recognized. Sure enough, many online are clamoring about it for many different controller models. I will try in Legacy mode to see if that makes any adapted.

[SOLVED] Adaptec AHAUW WinXP Driver – VideoHelp Forum

Glad to have helped! Some of the other forums I found on this same issue though most of them do not mention the U2 card are as follows: Perhaps that could be of help as well. I bought and downloaded VueScan and it worked perfectly with a still perfectly good year-old scanner.

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Thank you so much for the modified driver! I needed this guide to help me use this card in Windows 7 x64 and it worked like a charm.

All I windkws next was right click and update driver from the same folder that I installed from on legacy.

What is the 2940iw make and model? My hardware ID has four entries, which are as follows:. I disabled driver signing, installed legacy device in dev manager, still no go. I thought, people have had to run into this before me. Correspondingly, the following section exists immediately after the windoss heading in both of these. What I am thinking of trying, however, is to insert the sections from the U2.

According to the discussion at the following link, some guy named R.

Thanks for all the help. Very, very much appreciated — worked perfectly and saved me time hassle and, perhaps, money. Can you give me more details?

Do you have any other suggestions for me to try? The only thing I can think of at this time is that I have seen.

Download Adaptec AHA/W PCI SCSI Controller

Oh My God, you rule!!! I did learn something about driver editing though so it was not a complete waste of time trying to get the other one to work. So really thx and i can say a lot of people need this driver!!!

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Hi Ray I tried the U2W first, could not get it to work, I ended up purchasing the exact same card as windoes OP, It worked without having to modify any code.

2940ue sir have made a positive difference in the world today.

XP drivers for Adaptec AHA-2940 S6 SCSI controller?

Thanks for your continued help on this issue! Finally I found a post where a guy said, another poster has posted a downloadable. To find out more, including how to control cookies, see here: I tried this on Windows 10 with my Adaptec U2W.

Do I need to install the windows vista driver first and then these drivers?