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[K12OSN] Terminal Viideo Display Problems versiens 3 &4 vs. version 5 / lts.conf ?



I have been running two LTSP servers (one each at separate buildings). One server is running LTSP 3 & one is running LTSP 4. Both use the same "thin clients" ( a Pentium-3 pc without hard drive ) and monitors ( Dell LCD E15FP). The clients have onboard video output based on Intel 815 chip. Both systems have been happily running screen resolution of 1024 x 768 on client monitors.

This summer I replaced the version 3 server with a version 5 server. The monitor on the clients now display only at 640 x 480. I have checked the lts.conf file and both servers have the same configuration:

#Video drivers for terminals
XSERVE R = auto

All the other lines in that section are commented out with the #. Also all of the "Sample Mode" lines below are all commented out with #.

I have experimented with uncommenting (one at a time), each of the listed sample modes. I get one of two responses for all that I have tried: either terminal screen displays something along the lines of "Display not supported" or I get "non synched video" with rolling and no discernible display.

Has anyone else experienced this?
What is the fix?

Thanks
Anthony

--

-----Anthony A. Luscre------
---Director of Technology---
---Mogadore Local Schools---
-----Mogadore, Ohio---------
http://www.mogadore.net/tech

Visit our Homepage http:/www.mogadore.net
Visit our Portal http://www.mogadore.net/portal_pages.html



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