I bricked my SuperMicro SuperWorkstation 7033A-T!!!

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http://www.linuxquestions.org – It was my mistake to mess with the MTRR setting in BIOS. Now my Workstation doesn't seem to work at all. The monitor screen displays only garbage and the system doesn't run (I auto-run SSH, it won't hook up). Right now, I have totally bricked out my precious SuperWorkstation 7033A-T and I have no idea how to fix this mess. Please help me. (HowTos)