Index | Item | Image | Description | 1 | Hard disk drive | 
| Your computer has a large-capacity, customer-upgradable hard disk drive that can meet a variety of storage demands. | 2 | Microphone jack | 
|
Capture sound by connecting a microphone to the microphone jack.
| 3 | Stereo headphone jack | Experience sounds by connecting headphones to the stereo headphone jack. | 4 | USB connector | 
| The Universal Serial Bus (USB) connector is used for connecting USB interface-compatible devices, such as a printer or digital camera. NOTE: Your ThinkPad(R) computer supports USB 2.0 | 5 | IEEE 1394 connector | 
| The IEEE 1394 connector is used for connecting IEEE 1394 interface-compatible devices, such as a digital video cameras and editors, external hard-disk drives, video conferencing cameras, Jaz and Zip drives, and scanners.
NOTE: This port is only available on certain R40, and R40e systems. | 6 | PC Card slot | 
| In the PC Card slot, you can insert one card at a time. You can insert PC Cards, such as modem, data storage, network, and SCSI connector cards. It supports the following cards: Physical characteristics:
PC Card type: I, II, or III
Electrical characteristics: - 16-bit PC card
- CardBus card
| 7 | Fan louvers | 
| The internal fan and louvers enable air to circulate in the computer and cool the central processor. |
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