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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Dear Coreboot Community!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">I have modified the following CMOS option table bit using ‘nvramtool’ utility from Ubuntu:<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">384 1 e 4 boot_option<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Its default value was ‘<b>Normal’</b>, which I modified to ‘<b>Fallback’</b>. After rebooting, the coreboot seems to be not loading the default payload.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">In what way I can recover it?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Where does the CMOS modification resides?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">I have redone the coreboot.rom flashing completely, yet the coreboot didn’t load the default payload. The following is my CBFS:<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">Performing operation on 'COREBOOT' region...<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">Name Offset Type Size<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">cbfs master header 0x0 cbfs header 32<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">fallback/romstage 0x80 stage 30868<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">cpu_microcode_blob.bin 0x7980 microcode 208896<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">fallback/ramstage 0x3aa00 stage 51629<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">config 0x47400 raw 749<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">revision 0x47740 raw 575<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">cmos_layout.bin 0x479c0 cmos_layout 1212<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">pci8086,0f31.rom 0x47ec0 optionrom 65536<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">fallback/dsdt.aml 0x57f40 raw 12527<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">fallback/payload 0x5b080 payload 61165<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">payload_config 0x69fc0 raw 1563<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">payload_revision 0x6a640 raw 243<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">(empty) 0x6a780 null 1333016<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">fsp.bin 0x1afec0 fsp 294912<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">(empty) 0x1f7f00 null 30168<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:Consolas">bootblock 0x1ff500 bootblock 2480<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Mohan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
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