I'm curious too, to see how other worldwide people are solving this
problem. Thanks in advance.
Vasile

On Mon, 22 Oct 2001, Jerzy Wilder wrote:

> But if is fixed frequency monitor you have only one choice
> to combine H-sync and V-sync, for GDM monitors(from Sony)
> H-sync is 64kHz V-sync is 60Hz and if you need schamatics
> please send me e-mail www.jerzy@sangate.com or call
> 508.490.7931
> jerzy
>
>
> -----Original Message-----
> From: Markku Venalainen [mailto:piclist@MARKKU.COM]
> Sent: Monday, October 22, 2001 1:37 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]:fixed frequency monitors
>
>
> >Does anyone know how to hook a fixed frequency monitor up to a PC? Its
> a
> sony made sun GDM-1604-40 and it has 4 connectors at the back (R,G,B and
> Sync).
>
> The short answer is, use a fixed frequency video card.
>
> But given that fixed frequency video cards are rather expensive, you
> COULD
> try running it with your PC's video card. The thing to understand is
> that
> the monitor will ONLY run at ONE frequency (hence the name). Anything
> else,
> and you get pretty colored patterns all over the screen. In your case,
> the
> GDM-1604-40 runs at 61.8kHz horizontal, with a vertical refresh of 66Hz.
> Using the advanced settings for your video adapter, you may be able to
> set
> both horizontal and vertical refresh rates (ATI video cards, for
> example,
> tend to be good at this). Alternatively, you may be able to set the
> vertical refresh to 66Hz at some screen resolution that causes the
> horizontal to settle at 61.8kHz. Many newer monitors will display
> 'current'
> refresh rates in the on-screen menus, which is especially useful for
> this.
>
> Once you have the refresh rate set, unplug your 'normal' monitor, and
> plug
> in the GDM. It will either work, or not. If it works, you can save those
> screen settings as your Windows default, and it wil be almost like a
> regular monitor. Why not completely, you say? Well when your PC starts,
> the
> text screen and the Windows startup screen will probably be at incorrect
> refresh rates and will show as garbage. Once Windows starts, you'll be
> OK
> again. Also, many games change the screen refresh rate when they start,
> so
> you may find that when you start a game, you lose your display. Just
> don't
> put your 'normal' screen too far away, or memorize the keypresses to get
> back to the Windows screen.
>
> For more information, check http://www.si87.com/ or search for either
> "fixed frequency monitor" or "fixed frequency video card".
>
> Good luck!
> ---
> Markku
>
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