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Dos based Programs under WIndows XP

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by smallusersupport

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In the last year, our company switched to using Windows Xp as the O/S on user PC's. However, 3 users access a Dos based program, written 15 years ago, and they all have experienced that XP has slowed down their response time in the Dos program. The Dos program resides on a Windows 2000 server and is predominantly a data base.
I read with interest the article "Tweaking performance under XP" and wondered what would be the ideal settings for these users who pretty much do not use any other programs, except Outlook for email.

6 replies

by s_999

I dont know whether its a prob. with winXP or not.But i used a dos based program to output a sequence on to the printer port of my PC to interface a stepper motor and u know what ..No data on port!!! platform..winXP.
i then switched over to win98 and the same program runs just fine. So i suggest u have dual OS in case u can afford it.
PS. in case u get another soln.. plz let me know !!!

by smallusersupport

Thanks, but running two OS does not seem to be the answer - makes the process even slower to have to log off and sign in under a new OS.

by jim phelps

Windows XP is optimized to run 32-bit programs. Therefore, they will run faster under XP than will the 16-bit programs.

This was not the case with Windows 9.x, which was developed with backward compatibility in mind. It is optimized for 16-bit programs.

The only solution is to give those users Windows 9.x PCs, or perhaps Linux...

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