Tia1 crashed at 1:15am 1/10/99 with a data fault. The Wytek Power-uP CPU's we have in these machines have never been entirely stable. They were designed originally to be 40mhz machines, but they are equipped with an aftermarket 80mhz CPU. I'm not really sure if it's pushing things too hard, or it's just not 100% bug free. Of the three, tia1 is actually the most stable and typically runs 30-60 days between crashes which isn't bad considering there are frequently 50-100 people using it at a time.