Lenovo 30BA User Manual page 18

Notes: *A discrete graphics card or a network adapter can be installed in the appropriate Peripheral
Component Interconnect (PCI)/PCI-Express (PCIe) card slot. If such a card is installed, use the connectors
on the card instead of the corresponding connectors on the computer to optimize the performance.
Depending on your computer model, the preinstalled cards might vary. One or more graphics cards might be
installed to provide the following connectors:
• Digital Visual Interface (DVI) connector
®
• DisplayPort connector
®
• Mini DisplayPort connector
DisplayPort connector
Use this connector to attach a high-performance monitor, a direct-drive monitor, or other compatible
devices.
DVI monitor connector
Use this connector to attach a DVI monitor or other compatible devices.
Mini DisplayPort connector
Use this connector to attach a high-performance monitor, a direct-drive monitor, or other compatible
devices. The Mini DisplayPort connector is a miniaturized version of a DisplayPort connector.
1 Audio line-out connector
The audio line-out connector is used to send audio signals from the computer to external devices, such as
headphones.
2 Microphone connector
Use this connector to attach a microphone to your computer when you want to record sound or if you use
speech-recognition software.
3 Optional serial connector
Use this connector to attach an external modem, a serial printer, or other devices that use a 9-pin serial
connector.
4 PS/2 keyboard connector
Use this connector to attach a Personal System/2 (PS/2) keyboard.
5 USB 2.0 connectors (2)
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
6 USB 3.0 connectors (4)
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
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P720 User Guide