Yeah, exactly.

>I always punt and just try to set off the
>alarm as fast as possible. Once all the ICE is dead, it's so much
>easier to move around the system. :)

That's what I was doing too. I couldn't make it work for me on the mission I was talking about; IIRC there was just too much ICE and not enough rounds to kill it all and still hit the switches in time.

You'll know when you've gotten there, it's unmistakable.