Found while trying to squeeze a little more life out of this poor tortured old fostex…
This is where the airflow to cool the hard drive has gone for years. The clear plastic covering half the holes is there to avoid shorting out the spindle motor.
With the drive cooling improved a bit it’s stopped freezing, at least…
On a side note, congratulations to Icom for finally deciding to go to lithium ion batteries on their handheld commercial radios. I came to really appreciate that when a kid with mental difficulties hammered me over the head with one a few times. I’m so done with this