The same problem as first, but there is one more task and IRQ
handler interacting on the same input pin as an endless loop.
CNBC, the only member in the NBC family of channels showing anything live, is mired in a scoreless soccer game between IRQ
and CRC (that's Iraq and Costa Rica, which you can't assume because they could be using the Greek alphabet).
Standard Intel/Digital 21143 drivers can be used to configure the following hardware features for the adapter: 4-port mode, Fail-Safe Mode, Alternative Active Port Mode, or IRQ