   Postal2   LPT,  BIOS      SPP,  .

    Visual_I2C    Postal2,    .

    "-"   SCL=0,    (   )    10 .
,     Postal2  SCL        .

  Postal 2    32-  .

  - 74HC367  74HC05
05-    ,  ,  XX74XX05      3,3  .

   Postal2, ,   51-     .