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no logro subir el bootloader a mi atmega328-pu por medio de cable paralelo en el icsp segui esta guia donde dicen que lo solucionaron pero no me da resultado me sale el siguiente mensaje de error:
avrdude: Expected signature for ATMEGA328 is 1E 95 14
 ***failed; 
avrdude: verification error, first mismatch at byte 0x0000
         0x3f != 0x00
avrdude: verification error; content mismatch

espero alguien me pueda ayudar!!!!
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Edita el archivo avrdude.conf y busca atmega328p. El signature que hay es  0x1e 0x95 0xOF cambialo por  1e 0x95 0x14;

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#------------------------------------------------------------
# ATmega328
#------------------------------------------------------------

part
    id         = "m328";
    desc      = "ATMEGA328";
    has_debugwire   = yes;
    flash_instr      = 0xB6, 0x01, 0x11;
    eeprom_instr   = 0xBD, 0xF2, 0xBD, 0xE1, 0xBB, 0xCF, 0xB4, 0x00,
           0xBE, 0x01, 0xB6, 0x01, 0xBC, 0x00, 0xBB, 0xBF,
           0x99, 0xF9, 0xBB, 0xAF;
    stk500_devcode   = 0x86;
    # avr910_devcode   = 0x;
    signature      = 0x1e 0x95 0x14;
    pagel      = 0xd7;
    bs2         = 0xc2;
    chip_erase_delay   = 9000;
    pgm_enable = "1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1",
       "x x x x x x x x x x x x x x x x";

    chip_erase = "1 0 1 0 1 1 0 0 1 0 0 x x x x x",
       "x x x x x x x x x x x x x x x x";

    timeout   = 200;
    stabdelay   = 100;
    cmdexedelay   = 25;
    synchloops   = 32;
    bytedelay   = 0;
    pollindex   = 3;
    pollvalue   = 0x53;
    predelay   = 1;
    postdelay   = 1;
    pollmethod   = 1;

    pp_controlstack =
   0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F,
   0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F,
   0x66, 0x76, 0x67, 0x77, 0x6A, 0x7A, 0x6B, 0x7B,
   0xBE, 0xFD, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00;
    hventerstabdelay   = 100;
    progmodedelay   = 0;
    latchcycles      = 5;
    togglevtg      = 1;
    poweroffdelay   = 15;
    resetdelayms   = 1;
    resetdelayus   = 0;
    hvleavestabdelay   = 15;
    resetdelay      = 15;
    chiperasepulsewidth   = 0;
    chiperasepolltimeout = 10;
    programfusepulsewidth = 0;
    programfusepolltimeout = 5;
    programlockpulsewidth = 0;
    programlockpolltimeout = 5;

    memory "eeprom"
   paged      = no;
   page_size   = 4;
   size      = 1024;
   min_write_delay = 3600;
   max_write_delay = 3600;
   readback_p1   = 0xff;
   readback_p2   = 0xff;
   read = " 1 0 1 0 0 0 0 0",
          " 0 0 0 x x x a9 a8",
          " a7 a6 a5 a4 a3 a2 a1 a0",
          " o o o o o o o o";

   write = " 1 1 0 0 0 0 0 0",
            " 0 0 0 x x x a9 a8",
      " a7 a6 a5 a4 a3 a2 a1 a0",
      " i i i i i i i i";

   loadpage_lo = " 1 1 0 0 0 0 0 1",
            " 0 0 0 0 0 0 0 0",
            " 0 0 0 0 0 0 a1 a0",
            " i i i i i i i i";

   writepage = " 1 1 0 0 0 0 1 0",
          " 0 0 x x x x a9 a8",
          " a7 a6 a5 a4 a3 a2 0 0",
          " x x x x x x x x";

   mode      = 0x41;
   delay      = 20;
   blocksize   = 4;
   readsize   = 256;
    ;

    memory "flash"
   paged      = yes;
   size      = 32768;
   page_size   = 128;
   num_pages   = 256;
   min_write_delay = 4500;
   max_write_delay = 4500;
   readback_p1   = 0xff;
   readback_p2   = 0xff;
   read_lo = " 0 0 1 0 0 0 0 0",
        " 0 0 a13 a12 a11 a10 a9 a8",
        " a7 a6 a5 a4 a3 a2 a1 a0",
        " o o o o o o o o";

   read_hi = " 0 0 1 0 1 0 0 0",
        " 0 0 a13 a12 a11 a10 a9 a8",
        " a7 a6 a5 a4 a3 a2 a1 a0",
        " o o o o o o o o";

   loadpage_lo = " 0 1 0 0 0 0 0 0",
            " 0 0 0 x x x x x",
            " x x a5 a4 a3 a2 a1 a0",
            " i i i i i i i i";

   loadpage_hi = " 0 1 0 0 1 0 0 0",
            " 0 0 0 x x x x x",
            " x x a5 a4 a3 a2 a1 a0",
            " i i i i i i i i";

   writepage = " 0 1 0 0 1 1 0 0",
          " 0 0 a13 a12 a11 a10 a9 a8",
          " a7 a6 x x x x x x",
          " x x x x x x x x";

   mode      = 0x41;
   delay      = 6;
   blocksize   = 128;
   readsize   = 256;

    ;

    memory "lfuse"
   size = 1;
   min_write_delay = 4500;
   max_write_delay = 4500;
   read = "0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0",
          "x x x x x x x x o o o o o o o o";

   write = "1 0 1 0 1 1 0 0 1 0 1 0 0 0 0 0",
            "x x x x x x x x i i i i i i i i";
    ;

    memory "hfuse"
   size = 1;
   min_write_delay = 4500;
   max_write_delay = 4500;
   read = "0 1 0 1 1 0 0 0 0 0 0 0 1 0 0 0",
          "x x x x x x x x o o o o o o o o";

   write = "1 0 1 0 1 1 0 0 1 0 1 0 1 0 0 0",
            "x x x x x x x x i i i i i i i i";
    ;

    memory "efuse"
   size = 1;
   min_write_delay = 4500;
   max_write_delay = 4500;
   read = "0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0",
          "x x x x x x x x x x x x x o o o";

   write = "1 0 1 0 1 1 0 0 1 0 1 0 0 1 0 0",
            "x x x x x x x x x x x x x i i i";
    ;

    memory "lock"
   size = 1;
   min_write_delay = 4500;
   max_write_delay = 4500;
   read = "0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0",
          "x x x x x x x x x x o o o o o o";

   write = "1 0 1 0 1 1 0 0 1 1 1 x x x x x",
            "x x x x x x x x 1 1 i i i i i i";
    ;

    memory "calibration"
   size = 1;
   read = "0 0 1 1 1 0 0 0 0 0 0 x x x x x",
          "0 0 0 0 0 0 0 0 o o o o o o o o";
    ;

    memory "signature"
   size = 3;
   read = "0 0 1 1 0 0 0 0 0 0 0 x x x x x",
          "x x x x x x a1 a0 o o o o o o o o";
    ;
;




asi es como esta el error me sale despues de hacer el cambio, el manual que segui es http://arduino.cc/forum/index.php/topic,102836.0.html
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