Lenovo 9643, 9638, 9644, 9645, 9640, TC A55-9636 Obtaining device drivers, Connector, Description

Connector	Description
USB connectors	Used to attach a device that requires a Universal Serial Bus
	(USB) connection, such as a USB keyboard, USB mouse, USB
	scanner or USB printer. If you have more than eight USB
	devices, you can purchase a USB hub, which you can use to
	connect additional USB devices.
Ethernet connector	Used to attach an Ethernet cable for a local area network
	(LAN).
	Note: To operate the computer within FCC Class B limits, use
	a Category 5 Ethernet cable.
Serial connector	Used to attach an external modem, serial printer, or other
	devices that use a 9-pin serial connector.
Parallel connector	Used to attach a parallel printer, parallel scanner, or other
	devices that use a 25-pin parallel connector.
Audio line in connector	Used to receive audio signals from an external audio device,
	such as a stereo system. When you attach an external audio
	device, a cable is connected between the audio line out
	connector of the device and the audio line in connector of the
	computer.
Audio line out connector	Used to send audio signals from the computer to external
	devices, such as powered stereo speakers (speakers with
	built-in amplifiers), headphones, multimedia keyboards, or the
	audio line in connector on a stereo system or other external
	recording device.

Obtaining device drivers

You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support/ on the World Wide Web. Installation instructions are provided in README files with the device-driver files.

Chapter 3. Installing options 19