hardware system

Motherboard connection for a diagnostic speaker.

Header connection for the computer power indicator.

Header connection for the storage activity indicator.

Motherboard pins connected to the case reset button.

Motherboard pins connected to the case power button.

Motherboard pins connecting case buttons and indicator LEDs.

Motherboard connector for floppy disk drives.

Ribbon cable used by floppy disk drives.

Parallel ATA ribbon cable.

Parallel ATA connector for older storage devices.