DOS program runs slow in XP

From: Kass (anonymous_at_discussions.microsoft.com)
Date: 08/07/04 

Date: Sat, 7 Aug 2004 05:28:35 -0700

I have a DOS based, Siebe DMS environmental control
program at work. You must access the program through the
C:\ prompt. I can get into the DMS program in XP by
using the C:\ Prompt program, but it runs incredibly slow
compared to how it used to run before we upgraded from
Win98 to WinXP. This program accesses all the
checkpoints in the building to control heating, air
conditioning, fresh air intake, fan speeds, etc. It acts
like there is a lag time before display. For instance,
there is a clock in the program with seconds display.
Instead of the seconds ticking away like before, it might
read 05:25:20 for awhile and then suddenly jump up to
05:20:48. When I start the program in the C:\ Prompt
program in XP, I get a quick flash message about XMS
driver not installed or something, but the program does
take off. I can access all the control point windows,
just really slowly. Does anyone know why this might
happen in XP?

Relevant Pages

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