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In the past, technicians would get engineering change orders and follow the instructions to rewire boards to fix problems. You could also replace state machine
by Gracana 4y ago
In the past, technicians would get engineering change orders and follow the instructions to rewire boards to fix problems. You could also replace state machine and microprogram ROMs, which I guess sounds a lot like a firmware update.
- ReactiveJelly 4y agoIt's expensive to hire someone technical enough to: - Perform such an update - Sign off that they performed the update _correctly_ If you need an air-gapped system, it's still much easier to set it up so it can update from a USB flash drive and log "I did the update correctly" back to the drive.
- deleted 4y ago[deleted]