Lenovo 3376, Maintenance Manual

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Connector Description
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.
Microphone connector
Used to attach a microphone to your computer when you want to record sound or if
you use speech-recognition software.
PS/2 keyboard connector
(optional) Used to attach a keyboard that uses a PS/2 keyboard connector.
PS/2 mouse connector
(optional) Used to attach a mouse, a trackball, or other pointing devices that use a PS/2
mouse connector.
Serial port Used to attach an external modem, a serial printer, or other devices that use a
9-pin serial port.
USB 2.0 connector Used to attach a device that requires a USB 2.0 connector, such as a USB
keyboard, a USB mouse, a USB scanner, or a USB printer. If you have more than
six USB devices, you can purchase a USB hub, which you can use to connect
additional USB devices.
USB 3.0 connector Used to attach a device that requires a USB 2.0 or 3.0 connector, such as a
keyboard, a mouse, a scanner, a printer, or a personal digital assistant (PDA). A
USB 3.0 connector provides high transmission speeds to reduce the time that is
required for data transmission.
VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor connector.
Locating major FRUs and CRUs
Figure 3 “Locating major FRUs and CRUs” on page 70 shows the locations of the various components in
your computer. To remove the computer cover, see “Removing the computer cover” on page 81.
Chapter 8
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Locations
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