>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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