Dedicated hardware for video and media processing.

High-speed internal or external processor interconnect.

Memory storing identifiers for cached data blocks.

Backup firmware used to recover from firmware problems.

Preproduction hardware used for validation.

Adjustable laboratory power source for electronics testing.

Motherboard connector for floppy disk drives.

Firmware section responsible for early startup operations.

Production hardware intended for normal customers.

Device drawing controlled electrical power for testing supplies.