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Do you have info on sun Ultra 25/45 work station motherboards

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  • ccyprian May 10, 2010

    Thanks, I now have the manufacturing # of the motherboard it is 375-3449 or 375-3556 and is a Sun Ultra 25/45 workstation motherboard I have a few that won't boot. These boards have on-board diagnostics and power-on self tests (POST) that are read thur rs-232 serial ports but power comes on and some LED's lite but no boot or serial activity I have probed flash bootProm called OpenBootProm

    seems to be alive what other problem could cause it to hang looking for some suggestions

  • ccyprian May 10, 2010

    I will investigate the jumper configs

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This site might be helpful for you to find out all the details that you need about the Motherboard that you have.

http://sunsolve.sun.com/handbook_pub/validateUser.do?target=Systems/Ultra25/components&source=#SystemBoard

Posted on May 10, 2010

  • Mark Gil
    Mark Gil May 10, 2010

    If this board also have some jumper settings that you can use in resetting it that will be good to try.

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