Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!chinacat!uudell!twaddle.dell.com!jporter
From: jporter@twaddle.dell.com (Jeff Porter)
Newsgroups: comp.windows.ms
Subject: Re: Flicker. . .in 1024x768x256 w/Nec 3D
Message-ID: <15093@uudell.dell.com>
Date: 12 Feb 91 21:19:55 GMT
References: <91042.221913MXP122@psuvm.psu.edu> <15085@uudell.dell.com> <12162@ur-cc.UUCP>
Sender: news@uudell.dell.com
Reply-To: jporter@twaddle.dell.com (Jeff Porter)
Organization: Dell Computer Corp.
Lines: 20

In article <12162@ur-cc.UUCP>, nsus_cif@troi.cc.rochester.edu (Nick Susch) writes:
|> 
|> I assume that the first person is using a Tseng ET4000 board. I also have
|> this board and have this annoying flicker problem. I know that 1024x768
|> is interlaced, but the flicker is horible under windows. If I exit
|> windows and run a program in 1024 mode, I *can* tell it is interlaced,
|> but it is *very* slight, and the screen in very easy to read. But as soon
|> as I start up windows in 386 mode, something happens to the card. The
|> flicker becomes unbarable. I have discoverd, using the option of my NEC
|> 3D which saves the screen setting to each particular sync, that the 1024
|> mode under windows is a different sync then the "regular" 1024 mode. Does
|> anyone know why this happens? It's like their is two modes on the ET4000,
|> regular interlaced, and really slow interlaced, and windows picks the
|> wrong one. Any help would be appreciated.
|> 

It sounds like you've got an especially bad driver 386-mode driver for
your VGA card.

Jeff Porter