Revision level of a processor or semiconductor design.

Parallel ATA ribbon cable.

Hardware switch selecting between firmware chips or modes.

Hardware revision of an integrated circuit.

Ribbon cable used by floppy disk drives.

Motherboard design containing two firmware copies or chips.

Preproduction hardware used for testing and development.

Adjustable laboratory power source for electronics testing.

Motherboard connector for floppy disk drives.

Backup firmware used to recover from firmware problems.