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From: bking@ersys.edmonton.ab.ca (Barry King)
Newsgroups: comp.windows.ms.programmer
Subject: Re: TDW Dual Monitor Problem
Message-ID: <mTXV31w164w@ersys.edmonton.ab.ca>
Date: 1 Jun 91 23:01:45 GMT
References: <31780003@hpctdkzcol.hp.com>
Organization: Edmonton Remote Systems, Edmonton, AB, Canada
Lines: 39

kid@hpctdkzcol.hp.com (Kevin Dietz) writes:

> 
> I have a Video 7 VEGA VGA (8-bit) card and an older (bought in 1985)
> Sysdyne monochrome adapter card.  I'm trying to use these to do 
> dual-monitor debugging with TDW.  The VGA card has a switch to make
> it be either the primary or secondary adapter.  The Sysdyne card
> doesn't (I don't know if any monochrome cards have a switch to do
> this).  Anyways, TDW comes up on the monochrome monitor okay, but
> everything on the color screen comes up in black-and-white.  That is,
> the program I'm debugging comes up in black-and-white.  If I move the
> app's window, the area the window previously covered stays black (the
> background is not drawn correctly).  If I iconize and deiconize the
> Program Manager, all the icons in it (which were color up until this
> point) are now black and white.  Basically anything that has to be
> redrawn is redrawn in black and white.
> 
> Normally I run the VGA card in 740x520 mode (or something like).  Now
> I know TDW says it only supports standard VGA, but it's not clear in
> the manual if this means you need standard VGA to do single monitor
> debugging only, or if you also need it for dual monitor.  In any
> event, I tried it both ways, standard & non-standard, and it does
> the exact same thing both times.  I also tried the primary/secondary
> adapter setting on the VGA card, and that didn't seem to matter either.
> 
> Other than this problem, the debugging process seems to work fine.  I
> just don't like everything going to black and white.  Has anybody
> else seen this?  Am I doing something wrong?  Do I need a newer
> monochrome adapter card (or VGA card)?  Thanks for your help.
> 
> Kevin Dietz

I just went through the same thing with an ATI VGA Wonder/512.  All I had 
to do in the end was put the ATI into an 8 bit slot...that's all.  
Everything works perfectly now although VGA performance is somewhat 
degraded.

Barry King              bking@ersys.edmonton.ab.ca
Edmonton Remote Systems:  Serving Northern Alberta since 1982