Re: And then billed 3 extra hours?
A few years back I bought a fancy new digital oscilloscope. The scope was offered in both a 50MHz and 100Mhz version with about $200 difference in price..
The manufacturer actually went to the trouble of adding parts to make the 50MHz version. They added an RC filter to the input to limit the bandwidth. Someone discovered that you can just lift the capacitor, and you have the 100MHz version (and thus voiding your warranty).
Then, someone else figured out that it's not even that hard. All you have to do is load the firmware for the 100MHz version, and the filter is disabled by software.
It still baffles me that they would spend money to make the scope slower? Why not just offer the 100MHz version only?