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15 Volume control buttons
The built-in volume control buttons enable you to quickly adjust the volume or mute the sound from your
computer.
For details, refer to the instructions in “Volume and mute buttons” on page 23.
Right-side view
Figure 2. ThinkPad X121e right-side view
1 Media card reader slot
2 USB connector
3 Always On USB connector
4 Power jack
5 Security keyhole
1 Media card reader slot
Depending on the model, your computer may have a Media Card Reader slot. The Media Card Reader
supports the following four types of cards:
• SD card
• SDHC card
• SDXC card
• MultiMediaCard
Note: Your computer does not support the CPRM feature for SD cards.
For details, refer to the instructions in “Using the media card reader” on page 49
.
4 User Guide