SUMMARY: Changing Sun video settings

From: Anspach, Jonathan (
Date: Fri Dec 04 1998 - 09:47:50 CST

Many thanks to everyone who responded:

Peter Laws
Ka Kau Chan
Peter L. Wargo
Robin Brown
Aleksandar Milivojevic
Gerhard den Hollander
David S. Foster
Carsten B. Knudsen
Michael J. Connolly
Benjamin Cline
Matt Reynolds

I neglected to mention the type of video board we have, mainly because I
didn't know what it is, but all the information I got was valuable

A few people mentioned the ffbconfig command to configure Creator cards,
which it turns out we don't have, but I'll file that away for future

Some suggested using the eeprom command to change the settings in the
EEPROM. For one example,
eeprom output-device=screen:r1280x1024x60

Several people pointed me to a Sun frame buffer FAQ which seems to
contain all the information on Sun frame buffers than anyone would want
to know. Various mirrors of the page are at

Finally, some mentioned various alternative video boards and flat-panel
monitors that should work, including Quantum3D MGX boards and IBM 9516
display. We probably will not try the $20,000+ Barco display.

On Tue, 1 Dec 1998, Anspach, Jonathan wrote:
> Is there a way to change the settings for the video board in an
> UltraSparc 2? Specifically, we want to use a ViewSonic flat panel
> display that can handle a horizontal scanning frequency of up to 61
> but the video board in the Sun has a horizontal scanning frequency of
> 71.8 kHz. Is there any way to lower the video board's hsf to something
> the ViewSonic can handle?

Jonathan Anspach
Senior Software Engineer
Voice: (505) 344-6583 ext. 280
Fax: (505) 344-7022

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