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The four main CPUs ran the same Primary Flight Software. There was a separate backup computer running the Backup Flight Software, which was developed by an inde
by sitharus 10y ago
The four main CPUs ran the same Primary Flight Software. There was a separate backup computer running the Backup Flight Software, which was developed by an independant team, to take over if the PFS failed.
There's a bit of debate as to what would have happened if it ever took over.
- jackvalentine 10y agoI expect they did know, but it'd be an interesting exercise to not tell either development team if they were writing the "real" or the "backup" software, and just swap them around to keep people on their toes.