Install the card already

You are installing a PCI card into a desktop computer, and you notice that there are small spacers inside of the PCI slot. What function do these spacers provide?

A) They keep the PCI adapters at equal distances from each other

B) They ensure proper voltage to the adapter card

C) They accommodate proper cooling of the motherboard

D) They limit the throughput from the PCI bus

E) They are used to keep the small spacer workforce in business

The answer: B) They ensure proper voltage to the adapter card

The keyways on the adapter cards match the voltage keys that are built into the PCI slots on the motherboard. This simple physical feature ensures that the adapters will be powered properly once they are installed.

Want to know more? Watch “Adapter Cards.”

With adapter cards, we can customize our computers, add new capabilities, and upgrade their features. In this video, you’ll learn about adapter card architectures and the use of adapter cards to extend computer video, multimedia, I/O, and communications.

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