Service Manual

   ........................................................71
.......................................................................................................71
 .............................................................................................71
      BIOS............................................................72
   ..........................................................73
 .........................................................................................73
......................................................................................................73
    ..................................................75
......................................................................................................75
 ............................................................................................75
 ....................................................................76
 .........................................................................................76
......................................................................................................76
  ............................................................79
......................................................................................................79
 ............................................................................................79
  .............................................................80
 ........................................................................................80
.......................................................................................................81
   ......................................................84
......................................................................................................84
 ............................................................................................84
    .................................................85
 ........................................................................................85
......................................................................................................86
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