138 Exploring Your Computer’s FeaturesUsing PC Cards

2Using any necessary adapters, plug the cable from the headphones or external speakers into the jack.

The headphone jack requires a 16-ohm stereo mini-jack.To adjust the volume:❖For external speakers, use the volume controls on each speaker.❖For headphones, use the computer’s volume control dial.

Using PC Cards

TECHNICAL NOTE: For PCMCIA-compatible PC Cards, check the package to make sure they conform to the PCMCIA 2.1 standard (or later). Other cards may work with your computer, but are likely to be much more difficult to set up and use.

Your notebook computer comes with a PC Card slot and supports two types of PC Cards that you can install:

❖Type I cards❖Type II cards

The PC Card slot supports hot swapping, which allows you to replace one PC Card with another while the computer is on.

Inserting a PC Card

Before you insert a PC Card, refer to the documentation that comes with the card to see if you need to do anything before you insert it.

You can only use PC Cards in the top slot or ExpressCards in the bottom slot. You cannot insert a PC Card into the ExpressCard slot (the bottom slot), nor can you insert an ExpressCard into the PC Card slot (the top slot).