taglinefilesource code
tPIO629drivers/block/cmd640.cmax_pio = id->tPIO;
tPIO1057drivers/block/ide-tape.cprintk ("PIO Cycle Timing Category: %d\n",id->tPIO);
tPIO129include/linux/hdreg.hunsigned char  tPIO;    /* 0=slow, 1=medium, 2=fast */