Klaasjan Brand wrote:

> On Sun, 16 Nov 2003 06:17:43 +0000, M.MacFarlane wrote:
>
>
>>Hi everyone,
>>I'm hoping this is the right group to post this question to.
>>I just purchased a 20" Sun GDM 20D10 monitor, along with the female 13W3 to
>>male VGA adapter.
>
>
>>Using the VGA monitor, I set the drivers to standard VGA 1024x768 and
>>1280x1024 at 60Hz, 70Hz, and 75Hz.
>>Then I tried the EIZO 9500 drivers at the same resolutions and refresh rates
>>as above.
>>According to liebbrandt.com/sunmon/sunmon.html, the monitor should work at
>>all of these settings.
>>I noticed that the monitor does power on, and at POST the power indicator
>>light does stay solid green....for about a half a minute. Then back to
>
>
> VGA signals the "sync" lines on separate lines, Sun does sync on the green
> signal. You'll need a sync-on-green adapter or a videocard which can
> provide it (I know some matrox cards can do it if you flash a custom bios
> in them). Google for "radeon sync on green"...
>
> Kj
>

Sun does NOT sync on green, AFAIK. I think DEC does.

You want combined (V+H) sync. Most PC cards put out separate sync.

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