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-   -   Resolution issues with IPKVM (http://www.nvnews.net/vbulletin/showthread.php?t=126409)

krmiller 01-16-09 04:42 PM

Resolution issues with IPKVM
I have several Sun Ultra 20 and 40 systems that have Nvidia Quadro cards in them. I build the systems using jumpstart and after the jumpstart I automatically install the nvidia drivers. When the systems were directly connected to a monitor and keyboard we built them without any issues. We were able to get the require resoltuion of 1280x1024 easily and could adjust it with nvidia-settings. After these systems were built we connected them to an Avocent DSR8030 IPKVM and they continued to work great at the high resolution.

Recently we performed a new Jumpstart while the systems were connected to the IPKVM but at the end of the jumpstart we were only able use a resolution of 640x480. When I ran nvidia-settings there were no options for other resolutions. I next turned to the nvidia readme and adjusted some settings with no luck.

A few of the things that I changed:
In the "Screen" section
Option "UseEDID" "False"
Option "IgnoreDisplayDevices" "DFP, TV"

Remove all "display" subsections except for
SubSection "Display
Viewport 0 0
Depth 24
Modes "1280x1024"

Any ideas would be much appreciated.

PCitarella 01-17-09 08:40 PM

Re: Resolution issues with IPKVM
Here is a possible approach to your Avocent DSR8030 problem...

Update DSR firmware. http://www.avocent.com/support/default.aspx?id=6314

Possibly reboot the Sun server. It seems the Nvidia card is not properly reading the DDC string from the DSR.

Hope it helps.

krmiller 01-19-09 09:19 AM

Re: Resolution issues with IPKVM
Thanks for responding.

The DSR8030 was already updated with the latest firmware (

Also I have rebooted the system many times.

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